Regimen Blog

Practical protocols, dosing guides, and tracking tips from the Regimen team

Peptides

BPC-157 + TB-500: The Stack for Injuries That Won't Heal

BPC-157 at 250-500mcg daily plus TB-500 at 2-2.5mg weekly. Mechanisms, week-by-week timeline, injury-specific protocols, and honest evidence on the re...

May 29, 2026
13 min read
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Peptides

Peptide Half-Lives: How GLP-1 Doses Stack in Your Body

Half-life for tirzepatide, semaglutide, retatrutide, cagrilintide, BPC-157, CJC-1295 and more. Worked math, steady state, and what the cumulative dose...

May 27, 2026
14 min read
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GLP-1

Microdosing Retatrutide: What Lean Users Actually Run

Lean and active users run retatrutide at 0.5-1mg weekly, not the 2-12mg trial protocol. Why lower doses still hit and how to read your response.

May 27, 2026
12 min read
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GLP-1

Retatrutide Headaches: Why They Happen and What Helps

Why retatrutide causes headaches, what is normal versus concerning, what tends to help, and when to call your prescriber. Practical guide for 2026.

May 23, 2026
8 min read
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Peptides

MOTS-c Guide: Mitochondrial Peptide, Evidence, Protocols

MOTS-c is the mitochondrial-derived peptide most often used as a metabolic adjunct. What the evidence says, how community protocols actually run, and...

May 26, 2026
11 min read
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Peptides

NAD+ Injection Guide: At-Home Subcutaneous Protocol (2026)

How peptide users run NAD+ subcutaneously at home: community dose ranges, the flush, sourcing, IV vs sub-q, and how it stacks with MOTS-c.

May 26, 2026
9 min read
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GLP-1

Retatrutide GI Side Effects: Nausea, Constipation, What Helps

Why retatrutide causes nausea, constipation, sulfur burps, and the food stuck feeling. What is normal, what helps, and when to call your prescriber.

May 23, 2026
9 min read
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GLP-1

Retatrutide Dosing Guide: How to Titrate and When to Move Up

How to titrate retatrutide: trial dose schedule, when to move up, when to hold, side effects to expect, labs that matter, and what to track. Practical...

May 23, 2026
10 min read
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GLP-1

GLP-1 in Hungary 2026: Access, Costs, and What's Available

Wegovy, Ozempic, and Mounjaro in Hungary: NEAK reimbursement reality, private clinic pathway, and current pricing in HUF. Practical guide for 2026.

May 23, 2026
8 min read
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GLP-1

GLP-1 in Serbia 2026: RFZO Access and Private Options

Ozempic on RFZO list with criteria; Wegovy and Rybelsus also approved. Endocrinologist referral, 6-month effectiveness check, and current pricing in S...

May 23, 2026
8 min read
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Data Report

State of Peptide Tracking 2026

Quarterly snapshot from 3,326 active Regimen users. GLP-1s lead at ~65% of users, peptides ~40%, TRT ~25%. About 35% run stacks across categories.

May 23, 2026
6 min read
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TRT

Daily TRT Injections: How to Draw the Right Dose With an Insulin Syringe

Daily TRT with insulin syringes: step-by-step math for 100-200mg/week at any vial concentration. Dosing table for common protocols.

April 30, 2026
7 min read
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GLP-1

Retatrutide and TRT: Running Both at Once (Protocol, Monitoring, and Results)

Can you take retatrutide and TRT together? Protocol, monitoring labs, how the compounds interact, and how to track both in one app.

April 26, 2026
9 min read
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Peptides

Selank Dosing Guide: Intranasal Protocol, Schedule, and How to Start (2026)

Selank dosing: intranasal protocol, titration schedule, injectable vs nasal dosing, beginner setup, and how it compares to Semax.

April 26, 2026
8 min read
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Guides

What Needle Gauge to Use for Peptides, TRT, and GLP-1 Injections

Which needle gauge to use for testosterone, peptides, and GLP-1 injections, with reference tables for SubQ vs IM, injection site, compound, and syring...

April 25, 2026
6 min read
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News

You Can Now Get BPC-157, Semax, and 10 More Peptides Through a Doctor

The FDA reversed its peptide compounding ban on April 22, 2026. BPC-157, Semax, TB-500, and 9 more are now available through licensed compounding phar...

April 22, 2026
6 min read
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GLP-1

What Is Food Noise — and How GLP-1 Medications Turn It Off

Food noise is the constant mental chatter about food that millions of people experience. GLP-1 medications like semaglutide and tirzepatide are the fi...

April 23, 2026
7 min read
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GLP-1

Why Hunger Returns Late in the Week on GLP-1 Medications

Many people on weekly GLP-1 injections feel hungrier in days 5-7 before their next dose. This is the trough effect — here is what is happening pharmac...

April 23, 2026
6 min read
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TRT

What "Dialed In" on TRT Actually Means

"Dialed in" is the most commonly used phrase in TRT communities to describe optimal protocol feel. Here is what it actually means physiologically, wha...

April 23, 2026
7 min read
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GLP-1

Why GLP-1 Medications Raise Resting Heart Rate — and What It Means

Many people on tirzepatide or semaglutide notice a higher resting heart rate. This is a known pharmacological effect, not a cardiac warning sign.

April 23, 2026
6 min read
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Product

How Regimen's Pattern Engine Works

Regimen's pattern engine analyzes your logged data to surface non-obvious connections between your compounds, doses, and how you feel.

April 23, 2026
6 min read
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Methodology

Running Your Protocol Like an N-of-1 Experiment

An N-of-1 trial is a rigorous, single-subject experiment designed to find what works for you specifically. Here is how to apply the framework to your...

April 23, 2026
7 min read
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News

Compounded Semaglutide and Tirzepatide in 2026: What's Still Available

The FDA ended the semaglutide and tirzepatide shortage exemptions. Here's what that means for compounded Ozempic and Mounjaro access in 2026, what opt...

April 22, 2026
7 min read
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Protocol

Semax Dosage & Intranasal Protocol Guide (2026)

How to dose Semax intranasally: standard doses, reconstitution for nasal spray, drops vs spray pumps, cycle length, and what to expect.

April 22, 2026
6 min read
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Protocol

PT-141: The Peptide That Enhances Sexual Desire for Men and Women

PT-141 works differently than Viagra or Cialis. It increases actual desire, not just the physical response. Here's what it does, who it's for, and how...

April 22, 2026
6 min read
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Guide

Best Peptides for Sleep in 2026: DSIP, Epitalon & Semax Compared

Which peptides actually improve sleep? DSIP, Epitalon, and Semax compared by mechanism, dosing, and what the research shows. Updated for 2026 FDA comp...

April 22, 2026
6 min read
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Protocol

BPC-157 Dosage & Protocol Guide (2026)

Complete BPC-157 dosage guide: standard doses, how to reconstitute your vial, subcutaneous vs intranasal protocols, cycle length, and how to track you...

April 22, 2026
8 min read
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Guide

How to Start Your First Peptide Protocol: A Beginner's Guide (2026)

New to peptides? Here's where to start: which peptides are best for beginners, how to reconstitute and inject, how to get a prescription, and how to t...

April 22, 2026
8 min read
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Guide

How to Get GLP-1 Medications in 2026: A Country-by-Country Guide

How GLP-1 access works in the US, UK, Canada, Australia, Germany, and Brazil — insurance coverage, compounding pharmacy options, costs, and what's cha...

April 22, 2026
7 min read
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Protocol

TB-500 Dosage & Protocol Guide (2026)

TB-500 dosage guide: loading phase vs maintenance dosing, how to reconstitute your vial, injection protocol, how to stack with BPC-157, and what to tr...

April 22, 2026
7 min read
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Peptides

Best Peptide Tracker Apps 2026: 11 Apps Compared

We tested 11 peptide and GLP-1 tracker apps in 2026. Honest breakdown of who they're for, what they actually do, and which one fits your protocol.

March 19, 2026
14 min read
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GLP-1

How to Fix GLP-1 Side Effects — Nausea, Bloating, Constipation & More

Practical fixes for GLP-1 side effects: nausea, bloating, constipation, acid reflux, and sulfur burps on semaglutide, tirzepatide, or retatrutide. Sup...

March 18, 2026
10 min read
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Peptides

DIY Peptide Serum: How to Mix GHK-Cu & AHK-Cu for Skin and Hair

Step-by-step guide to mixing GHK-Cu and AHK-Cu topical serums at home. Concentrations, carrier selection, application protocol, and what to expect for...

March 18, 2026
9 min read
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Peptides

GHK-Cu Injectable: Dosing, Protocols, and What to Expect

How to dose injectable GHK-Cu, reconstitute it, stack it with BPC-157, and source it legally from a compounding pharmacy following the 2026 FDA Catego...

May 18, 2026
8 min read
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Peptides

How to Make a Peptide Nasal Spray: Step-by-Step Guide

Learn how to make a peptide nasal spray at home. Covers supplies, reconstitution, concentration math, transfer to spray bottle, storage, and common mi...

March 29, 2026
10 min read
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Peptides

Which Peptides Actually Work as Nasal Sprays? The Complete Guide

Not all peptides absorb well through the nose. See which peptides have proven nasal efficacy, which are borderline, and which need injection instead.

March 29, 2026
11 min read
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Peptides

BPC-157 Nasal Spray: Dosage, Benefits, and How It Compares to Injections

BPC-157 nasal spray dosing, preparation, and how it compares to subcutaneous injection. Covers protocols, bioavailability differences, and common mist...

March 29, 2026
10 min read
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Peptides

Semax Nasal Spray: Dosage Guide, Benefits, and Protocols

Full Semax nasal spray guide covering dosage protocols, BDNF benefits, all three variants, cycling, preparation, and side effects. Calculator included...

March 29, 2026
12 min read
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Peptides

Selank Nasal Spray: Dosage, Anxiety Benefits, and Protocol Guide

Full Selank nasal spray guide with dosing protocols, anxiety benefits, 92.8% bioavailability data, cycling recommendations, and preparation instructio...

March 29, 2026
12 min read
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Peptides

Semax vs Selank: Which Nootropic Peptide Nasal Spray Is Right for You?

Semax vs Selank head-to-head comparison covering mechanisms, dosing, benefits, side effects, and stacking protocols. Find the right nasal peptide for...

March 29, 2026
10 min read
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Peptides

Peptide Nasal Spray vs Injection: Which Delivery Method Is Better?

Peptide nasal spray vs injection comparison with bioavailability data, pros and cons of each delivery method, and a decision framework for choosing th...

March 29, 2026
12 min read
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Peptides

Semax Nasal Spray Dosing Guide — Calculator & Protocol

How to dose and prepare Semax nasal spray from powder. Covers reconstitution steps, spray volume calculations, N-Acetyl Semax, and daily dosing protoc...

March 17, 2026
9 min read
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Peptides

TB-500 Reconstitution Calculator — How to Mix & Dose TB-500

Free TB-500 reconstitution calculator. How to mix TB-500 with BAC water, exact dose charts for 2mg to 10mg vials, loading vs maintenance protocols, an...

March 17, 2026
9 min read
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TRT

Testosterone Cypionate Dosage Guide — TRT Doses by Goal & Frequency (2026)

Complete testosterone cypionate dosage guide for TRT. Standard doses (100-200mg/week), injection frequency comparison, beginner dosage chart, and how...

March 16, 2026
10 min read
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TRT

GLP-1 and TRT Together: What to Know About the Combination

Running semaglutide or tirzepatide alongside TRT? Here's why the combination is popular, what to watch on labs, and how to track both with Regimen.

May 5, 2026
8 min read
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GLP-1

Retatrutide Reconstitution Calculator — How to Mix Compounded Retatrutide

Free retatrutide reconstitution calculator for compounded vials. Calculate exact doses with BAC water for 5mg to 30mg vials. Step-by-step mixing guide...

March 16, 2026
8 min read
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GLP-1

Semaglutide Reconstitution Calculator — How to Mix Compounded Semaglutide

Free semaglutide reconstitution calculator and step-by-step mixing guide. Calculate exact doses for compounded semaglutide in 2mg, 5mg, and 10mg vials...

March 14, 2026
8 min read
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Peptides

BPC-157 Reconstitution Calculator — How to Mix & Dose BPC-157

Free BPC-157 reconstitution calculator with step-by-step mixing guide. Calculate exact doses for 5mg, 10mg, and 15mg vials. Learn proper reconstitutio...

March 14, 2026
8 min read
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GLP-1

Tirzepatide Reconstitution Calculator — How to Mix Compounded Tirzepatide

Free tirzepatide reconstitution calculator for compounded Mounjaro and Zepbound. Calculate exact doses with BAC water for 5mg to 60mg vials. Step-by-s...

March 14, 2026
8 min read
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Peptides

How to Store Peptides — Temperature, Shelf Life & Stability Guide

How long do peptides last in the fridge? Learn proper storage for BPC-157, semaglutide, and reconstituted peptides. Covers temperature, light, and exp...

March 8, 2026
10 min read
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Peptides

Peptide Cycling Guide: How Long to Run BPC-157, TB-500, and GH Peptides (and When to Stop)

Compound-specific cycling protocols for BPC-157, TB-500, CJC-1295/Ipamorelin, and MK-677. How long to run each cycle, how long to take off, signs of r...

March 8, 2026
11 min read
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Guides

Traveling with Peptides & GLP-1 Meds: TSA Rules, Cold Chain Storage, and Packing Checklist

Can you bring peptide vials through airport security? Do Ozempic pens need to stay cold on a flight? TSA rules for injectables, cold chain tips for re...

March 8, 2026
10 min read
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Peptides

Peptide Blend Dosing: How to Calculate Per-Peptide Doses in GLOW, KLOW, and Wolverine Stacks

Pre-mixed peptide blends have locked ratios — you can't adjust one compound without changing all of them. How blend math works, reconstitution for mul...

March 8, 2026
11 min read
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Guides

How to Read an Insulin Syringe: Visual Guide to Units, Markings, and Common Mistakes

Every line on your syringe means something different depending on which size you're using. Visual guide to 30-unit, 50-unit, and 100-unit syringes wit...

March 7, 2026
8 min read
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TRT

TRT Injection Schedule — Weekly vs Twice Weekly vs Daily (2026)

Compare TRT injection schedules: weekly, twice weekly, every other day, and daily. How each frequency affects testosterone levels, side effects, and r...

March 7, 2026
12 min read
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GLP-1

Retatrutide vs Tirzepatide — Triple vs Dual Agonist Comparison

Retatrutide vs tirzepatide compared: Phase 3 weight loss data (28.7% vs 22.5%), triple vs dual agonist mechanisms, side effects, cost, and how to swit...

March 28, 2026
10 min read
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Peptides

BPC-157 vs TB-500: Which Healing Peptide Do You Actually Need (and Should You Stack Both?)

BPC-157 for targeted injury healing or TB-500 for full-body recovery? Dosing, cost, side effects, popular blends like the Wolverine Stack, GLOW, and K...

March 7, 2026
11 min read
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Peptides

Ipamorelin vs MK-677: Injections or a Daily Pill? How to Pick Your GH Booster

Ipamorelin gives clean GH pulses with minimal side effects but requires daily injections. MK-677 is a pill with 24-hour GH elevation but brings real h...

March 7, 2026
12 min read
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TRT

TRT Hematocrit: When to Worry & How to Lower It (2026)

Your hematocrit came back high on TRT. Before you panic or drop your dose, here's what the numbers actually mean, what works at each level, and when i...

March 7, 2026
11 min read
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GLP-1

Sulfur Burps on Ozempic, Wegovy & Mounjaro: Why They Happen, What Triggers Them, and What Actually Helps

GLP-1 sulfur burps are caused by delayed gastric emptying and bacterial fermentation. Here's the timeline, trigger foods to avoid, what works (ginger,...

March 6, 2026
9 min read
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GLP-1

GLP-1 Maintenance: What to Do After You Hit Your Goal Weight (Dose Reduction, Spacing & When to Stop)

You hit your goal weight on Ozempic or Mounjaro. Now what? Maintenance dose strategies, how to taper safely, dose spacing protocols, lifestyle factors...

March 6, 2026
13 min read
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GLP-1

GLP-1 Plateau: Why You Stopped Losing Weight on Semaglutide or Tirzepatide (and What to Do About It)

How to tell a real GLP-1 plateau from a fake stall, the 7 most common causes, when to increase your dose vs. wait, and tracking strategies to break th...

March 6, 2026
12 min read
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GLP-1

GLP-1 Hair Loss: The Shedding Timeline, What Causes It, and What Actually Helps

Hair shedding on Ozempic, Wegovy, Mounjaro, or Zepbound is telogen effluvium triggered by rapid weight loss. Here's the timeline, who's at risk, what...

March 6, 2026
11 min read
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GLP-1

Switching Semaglutide to Tirzepatide (or Back): Dose Guide, Timeline, and What Nobody Tells You

How to switch between Ozempic/Wegovy and Mounjaro/Zepbound. Dose equivalency tables, week-by-week transition timeline, what to expect during the overl...

March 6, 2026
11 min read
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Peptides

Where to Inject Peptides Subcutaneously: Best Sites, Rotation Map, and How to Avoid Scar Tissue

The 7 best subcutaneous injection sites for peptides, semaglutide, tirzepatide, and TRT. Visual body maps, how to rotate injection sites to prevent li...

February 24, 2026
9 min read
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Protocols

How to Get Better Results on Peptides, TRT & GLP-1: 7 Optimization Tips That Actually Work

Injection site rotation, dose timing, progress photos, protein targets, and the research-backed habits that separate real results from wasted product....

February 16, 2026
11 min read
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TRT

How to Microdose TRT: Daily Testosterone Injection Guide (2026)

Complete guide to microdosing testosterone — daily and EOD injection protocols, dose calculations, stable blood levels, and what the research shows. I...

February 16, 2026
10 min read
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GLP-1

Microdosing Semaglutide and Tirzepatide: Protocols, Dosing Charts, and What Nobody Tells You

The practical guide to GLP-1 microdosing: split-dose protocols for semaglutide, tirzepatide, and retatrutide, what the pharmacokinetics say, real-worl...

February 16, 2026
12 min read
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Peptides

Peptide Starter Kit: What Supplies You Need, What Needle Size to Use, and How to Mix Your First Vial

Complete peptide beginner checklist: what size needle for subcutaneous injections, what syringe to use for reconstitution, how to mix bacteriostatic w...

February 10, 2026
7 min read
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TRT

TRT Bloodwork Guide: What Labs to Get, When to Test, and How to Read Your Results

Track your TRT protocol the right way. Monitor injection doses, blood work markers, estradiol, hematocrit, and side effects in one place with a free t...

February 10, 2026
10 min read
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Peptides

BPC-157 + TB-500 Stack Protocol: Dosing, Timing & Week-by-Week Recovery Results

Complete BPC-157 and TB-500 stacking protocol. Covers dosing, reconstitution, loading phase, cycle length, and what to expect week by week.

January 20, 2026
8 min read
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Peptides

Peptide Reconstitution Calculator: How Much BAC Water + Syringe Units (BPC-157, Tirzepatide, Semaglutide)

Step-by-step guide to reconstituting BPC-157, TB-500, HCG, and semaglutide. How much BAC water to use, how to calculate your dose volume, and storage...

January 20, 2026
7 min read
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GLP-1

Why You Need a GLP-1 Tracker (Even If You're Just Starting)

63% of people quit GLP-1s within a year. A tracker helps you stay consistent, understand side effects, and document progress for insurance.

January 20, 2026
6 min read
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HRT

FTM Testosterone Tracker: How to Log Injections, Track Changes, and Stay on Top of Your T Protocol

What to expect in your first year on T, what you'll wish you documented, common protocols, and practical community tips for managing your testosterone...

March 5, 2026
12 min read
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HRT

HRT Injection Tracker for Women: How to Log Estradiol, Testosterone & Progesterone During Perimenopause

What's actually happening during perimenopause, which hormones are involved, what to track and why, common protocols, and what other women have learne...

March 5, 2026
13 min read
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GLP-1

Retatrutide Dosing Guide — 2mg to 12mg Titration Protocol

Complete retatrutide dosing guide: 2mg to 12mg titration schedule, split-dose protocols, microdosing options, and free dose calculator. Based on Phase...

March 28, 2026
11 min read
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GLP-1

Retatrutide Side Effects — What to Expect Week by Week

Retatrutide side effects explained week by week: nausea, appetite changes, heart rate, and GI issues at each dose tier. How to manage side effects and...

March 28, 2026
9 min read
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GLP-1

Semaglutide vs Tirzepatide vs Retatrutide — Complete 2026 Comparison

Semaglutide vs tirzepatide vs retatrutide compared: weight loss results, mechanisms, side effects, cost, and which GLP-1 is right for you. Updated wit...

March 28, 2026
12 min read
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GLP-1

How to Switch from Tirzepatide to Retatrutide: Protocol and Timeline

The complete protocol for switching from tirzepatide to retatrutide: 1-week washout, starting dose, week-by-week titration, and what to expect during...

March 28, 2026
9 min read
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GLP-1

GLP-1 Weight Regain: How to Keep the Weight Off After Stopping Ozempic, Mounjaro, or Retatrutide

Why 60-67% of weight returns after stopping GLP-1s and how to prevent it. Tapering strategies, maintenance doses, and lifestyle anchors to lock in you...

March 29, 2026
11 min read
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GLP-1

Orforglipron: The First Oral GLP-1 Pill — What You Need to Know

Everything about orforglipron, Eli Lilly's oral GLP-1 pill. Clinical trial results, how it compares to semaglutide and tirzepatide, FDA timeline, and...

March 29, 2026
9 min read
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GLP-1

GLP-1 Muscle Loss: How to Protect Lean Mass on Ozempic, Mounjaro, or Zepbound

Up to 26% of weight lost on GLP-1s is lean mass. Protein targets, resistance training protocols, and tracking strategies to protect your muscle on sem...

March 29, 2026
10 min read
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Peptides

Peptide Blood Work Guide: What Labs to Order, When to Test, and What Your Results Mean

Complete blood work guide for peptide users. What labs to order for TRT, GH peptides, GLP-1s, and BPC-157. Testing timing, reading results, and tracki...

March 29, 2026
12 min read
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TRT

Enclomiphene vs TRT: Which Testosterone Treatment Is Right for You?

Enclomiphene vs TRT compared: mechanism, testosterone levels, fertility, side effects, cost, and who should choose which. The complete guide for 2026.

March 29, 2026
10 min read
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Guides

How to Give Yourself a Subcutaneous Injection — Complete Guide

First time self-injecting? Step-by-step guide for subcutaneous injections of testosterone, peptides, and GLP-1 medications. Needle selection, injectio...

April 5, 2026
10 min read
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TRT

Your First TRT Injection — What to Expect Week by Week

Starting TRT? Here's what to expect from your first injection through week 12. Timeline for energy, mood, libido, and body composition changes. When t...

April 5, 2026
9 min read
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Peptides

Peptide Injection Schedule for Beginners — How to Set Up Your First Protocol

New to peptides? How to set up your first injection schedule for BPC-157, TB-500, semaglutide, or other peptides. Timing, frequency, stacking, and tra...

April 5, 2026
9 min read
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Guides

Units vs mL vs mg — The Complete Syringe Measurement Guide

Confused by units, mL, and mg on your syringe? This guide explains the difference, shows you how to convert, and helps you avoid common dosing mistake...

April 5, 2026
8 min read
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TRT

TRT Blood Work Guide: What Labs to Get and When

Complete guide to blood work for TRT. Which labs to order (total T, free T, estradiol, hematocrit, PSA), when to test, and how to interpret your resul...

April 5, 2026
10 min read
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TRT

TRT Side Effects: Complete Guide to Managing Testosterone Therapy

Common TRT side effects and how to manage them. Hematocrit, estrogen, acne, hair loss, water retention, mood changes — what to watch for and when to t...

April 5, 2026
12 min read
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TRT

Testosterone Cypionate vs Enanthate: Which Is Better for TRT?

Detailed comparison of testosterone cypionate and enanthate for TRT. Half-life, dosing, availability, side effects, and which one your doctor is likel...

April 5, 2026
8 min read
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TRT

TRT and Fertility: hCG Protocol Guide for Men

Does TRT cause infertility? How to protect fertility while on testosterone therapy. hCG protocols, dosing, timing, and when to talk to your doctor.

April 5, 2026
10 min read
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TRT

TRT Results Timeline: Body Recomposition Month by Month

What to expect from TRT: month-by-month timeline for muscle gain, fat loss, energy, mood, and libido. Realistic expectations based on clinical researc...

April 5, 2026
10 min read
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TRT

TRT and Mental Health: Testosterone, Depression & Brain Fog

How testosterone affects depression, anxiety, and brain fog. What the research shows about TRT and mental health, what to expect, and what to track.

April 5, 2026
10 min read
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TRT

How Much Does TRT Cost in 2026? Complete Price Breakdown

TRT costs by delivery method — injections, gels, creams, pellets. With and without insurance, compounding pharmacy options, and how to reduce costs.

April 5, 2026
10 min read
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Guides

How to Track Body Recomposition — 5 Metrics Better Than Scale Weight

The scale lies during a recomp. Track these 5 metrics instead: waist circumference, strength benchmarks, progress photos, DEXA scans, and how your clo...

April 6, 2026
9 min read
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GLP-1

GLP-1 Muscle Loss — Does TRT Actually Prevent It? What the Data Shows

15-40% of GLP-1 weight loss comes from lean mass. Can TRT protect your muscle during semaglutide, tirzepatide, or retatrutide? Here is what the clinic...

April 6, 2026
10 min read
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Peptides

Tesamorelin Results Timeline — Week-by-Week Guide to Visceral Fat Reduction

Tesamorelin takes 12-26 weeks to show results. Here is what to expect each week, why the scale barely moves, and how to track visceral fat reduction p...

April 6, 2026
9 min read
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Peptides

Tesamorelin Guide: The GHRH Analog for Visceral Fat

Tesamorelin is the GHRH analog with the strongest human evidence for visceral fat loss. How it works, what the data shows, and how the community uses...

May 25, 2026
9 min read
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Peptides

CJC-1295 + Ipamorelin Guide: How the GH Stack Actually Works

How CJC-1295 plus ipamorelin works, the DAC vs no-DAC choice, community protocols, evidence tier, side effects, and sourcing reality in 2026.

May 25, 2026
9 min read
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Peptides

BPC-157 Guide: Injectable Protocol, Evidence, Sourcing

BPC-157 injectable protocol, evidence, sourcing, and stack logic. What the community runs for tendons, ligaments, and gut, with honest evidence tiers.

May 25, 2026
10 min read
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Peptides

TB-500 Guide: What It Is, How It Works, How People Use It

TB-500 is the systemic recovery peptide that pairs with BPC-157. Mechanism, evidence, community protocols, sourcing reality, and the fragment-vs-prote...

May 25, 2026
11 min read
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GLP-1

Retatrutide Body Recomposition — Fat Loss vs Muscle Loss Data

Retatrutide Phase 3 trials show 28.7% weight loss. But how much is fat vs muscle? We break down the Lancet body composition substudy and what it means...

April 6, 2026
8 min read
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Peptides

Body Recomposition with Peptides: The 2026 Stack Guide

Which peptides actually help with body recomp (GLP-1s, GH-axis, metabolic, recovery), how to stack them, and the fundamentals that make them work.

May 19, 2026
14 min read
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Peptides

Best Peptides for Fat Loss in 2026: The Complete Guide

Tirzepatide, retatrutide, semaglutide, CagriSema, orforglipron. Which fat loss peptide works best for what, and how to make sure the weight you lose i...

May 19, 2026
15 min read
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Peptides

Best Peptides for Muscle Building in 2026: The Field Guide

Tesamorelin, CJC/ipamorelin, MK-677, BPC-157, TB-500. The split between growth-axis peptides and recovery peptides, with honest evidence tiers.

May 21, 2026
16 min read
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Guides

Multi-Compound Protocol Tracking — How to Know What Is Actually Working

Running TRT + GLP-1 + peptides and cannot tell what is doing what? How to track multiple compounds, attribute results, and avoid the spreadsheet chaos...

April 6, 2026
8 min read
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Peptides

Glutathione Injections: Dosing by Goal, How to Inject, and What to Track

Glutathione injection guide: dosing by goal (skin, performance, detox), SubQ vs IM vs IV, reconstitution, and how to track your protocol with Regimen.

May 6, 2026
8 min read
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GLP-1

Tirzepatide News & Updates: 2026 Roundup

Tirzepatide updates from 2026: phase 3 data, compounding pharmacy status, FDA shortage list, generic timeline, and new dosing research.

May 11, 2026
8 min read
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TRT

TRT Dose Conversion for UK Patients: mL, mg, and Insulin Syringe Math

UK TRT dose conversions: mg to mL for Sustanon 250, enanthate, and cypionate. Insulin syringe unit math for daily, weekly, and EOD protocols.

May 20, 2026
8 min read
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GLP-1

Tirzepatide Side Effects: A Daily Injection User's Guide

Tirzepatide side effects week by week: nausea, fatigue, constipation, what to expect when splitting your dose daily. Real protocols from Regimen users...

May 20, 2026
9 min read
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GLP-1

Retatrutide vs Tirzepatide vs Semaglutide: Side Effects Compared

Retatrutide vs tirzepatide vs semaglutide side effects compared: nausea, fatigue, injection reactions, heart rate, tolerability at maintenance doses (...

May 20, 2026
10 min read
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Peptides

GHK-Cu vs BPC-157 for Joint Recovery: What Actually Works

GHK-Cu vs BPC-157 for joint pain and recovery: mechanisms, real-world outcomes, dosing protocols, and how to stack them. Updated May 2026.

May 20, 2026
9 min read
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TRT

TRT Side Effects by Week: Honest Timeline for the First 12 Weeks

TRT side effects week by week: weeks 1, 2, 4, 8, 12. Acne, mood, sleep, hematocrit, estradiol. Real user patterns from Regimen (2026).

May 20, 2026
10 min read
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GLP-1

Compounded GLP-1 in Canada: Legitimate Sources and 2026 Pricing

Compounded semaglutide and tirzepatide in Canada: licensed compounding pharmacy access, current pricing, Health Canada legal status (2026).

May 20, 2026
9 min read
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Peptides

Peptides in South Korea: 2026 Guide to Sourcing, Legality, and Clinic Access

Peptide therapy in South Korea: legal status, BPC-157 sourcing, Seoul anti-aging clinics, prescription access (2026).

May 20, 2026
9 min read
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GLP-1 & Weight Management

I Just Started Tirzepatide. Now What?

You started tirzepatide this week. What's normal, what's not, what to track, and when to call your prescriber.

May 22, 2026
7 min read
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GLP-1 & Weight Management

First Week on Mounjaro: What to Track and Why It Matters

You're on your first Mounjaro pen. Here's what to track, what's normal vs concerning, and the patterns worth watching from day one.

May 22, 2026
6 min read
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GLP-1 & Weight Management

How to Never Forget Your Wegovy Sunday Dose Again

You forgot last Sunday's Wegovy dose. Here's what to do, and how to set up a system so it never happens again.

May 22, 2026
6 min read
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TRT & Testosterone

I Just Started TRT. What Should I Track in the First 12 Weeks?

You started TRT this month. Here's the realistic 12-week timeline of what to expect, what to track, and when to get follow-up labs.

May 22, 2026
9 min read
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Peptides

My First Peptide Protocol: A Beginner's Tracking Guide to BPC-157

Starting your first BPC-157 protocol with a clinician? Here's what people actually track, and why those data points make follow-ups productive.

May 22, 2026
8 min read
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