Not medical advice. Talk to your provider before using any peptide.
Full disclaimerPeptide Education & Beginner Guides
These guides cover the practical side of peptides that most platforms skip. The beginner's guide explains what peptides actually are and how they differ from hormones and SARMs. Others walk through reconstitution math, injection technique, storage, dosing mistakes, and how to read and verify a certificate of analysis. Each one assumes zero prior knowledge without talking down to you.
regulatory12 Peptides Removed from FDA Category 2: What Changed and What's Next
12 peptides left FDA's Category 2 list in April 2026 after their nominators withdrew them. PCAC met on 7 of them on July 23 and 24, 2026. What each peptide does, the evidence behind it, and what changes next.
guideHow to Verify a Peptide COA
A peptide COA only helps if you can verify it. How to read HPLC purity, mass spec identity, endotoxin, and net peptide content, tell a real lot number from a shared testing code, and catch the red flags that expose a fake certificate.
guidePeptide Dosing Mistakes That Cause Overdoses
The dose-math and timing errors behind most peptide overdoses, from syringe units and reconstitution recipes to titration and missed doses, with the fix for each.
guideHow Much BAC Water for Peptides: Chart and Examples
BAC water sets the concentration and the syringe mark you draw to, while the dose itself comes from your protocol, never from the water.
guideHow Long Does a Peptide Vial Last? Doses and Days
A peptide vial lasts until the first of two limits runs out: the doses inside it, or the usable window once the vial is mixed.
guideInsulin Syringe Units for Peptides: Units to mL to mg
A unit on a U-100 insulin syringe is 0.01 mL, so 100 units fill 1 mL. The mg in each unit depends on how the vial was mixed.
guideWhy Peptide Calculators Give Different Answers
Peptide calculators disagree over inputs and assumptions, not arithmetic. Syringe scale, rounding, mcg vs mg, IU vs mg, blends and BAC water defaults each change the units you draw.
researchRetatrutide and Anhedonia: The Emotional Flattening Question
Most retatrutide users never notice a mood shift, and many feel calmer once food noise fades. A minority report the opposite, emotional flattening, low drive, anhedonia, the "meh" feeling. What is behind it, which doses and escalations trigger it, whether it reverses after stopping, and how retatrutide compares to tirzepatide and Ozempic on blunting.
guideRetatrutide Dosage: Titration Schedule, Starting Dose, and Chart
Retatrutide dosing runs once weekly by subcutaneous injection, escalating from a 2 mg start to a 12 mg ceiling in roughly 2 mg steps every four weeks. Phase 3 trials reached about 25 to 28% mean weight loss at the top doses. The drug is investigational, not FDA-approved.
researchRetatrutide Side Effects: The Complete Profile With Rates
Retatrutide side effects are dominated by nausea, diarrhea, and vomiting during dose escalation, with rates that rise as the dose climbs. Retatrutide stays investigational, so no approved label exists, and every rate here is trial-derived or extrapolated from the wider GLP-1 class.
guidePeptide Storage, Sourcing, and Safety Mistakes
The storage, sterility, sourcing, and safety mistakes that cause infections, degraded doses, and missed medical emergencies, with how to prevent each.
Peptide Beginner's Guide
Everything you need to know about peptides: what they are, how they work, and how to get started safely.
How to Reconstitute Peptides
Step-by-step guide to properly mixing your peptide powder with bacteriostatic water for injection.
How to Inject Peptides Subcutaneously
Complete guide to subcutaneous peptide injection — technique, sites, rotation, and safety tips.
Peptide Storage Guide
How to properly store peptides to maintain potency — temperature, light, and shelf life guidelines.
Peptide Glossary
Common peptide terms explained — from BAC water to subcutaneous injection, reconstitution to half-life.