What the lab is
reading, running, writing up.

01

Reconstitution without the foam — the swirl method, step by step.

Add the BAC water down the vial wall, then swirl — never shake. Foam means sheared, denatured peptide you can't recover. The full slow-mix sequence, plus how long to wait before it should read clear.

02

Discord just went live. Plus: how we're posting research without making it look like an ad.

Today the community Discord went public — five channels for protocols, papers, n=1 logs, introductions and product requests. We also wrote up the editorial guardrails we use for posting research on TikTok without tripping platform policy. Both are linked from this page now.

Source · internal · published 22.05.2026

03

Retatrutide vs Tirzepatide — full receptor + dosing comparison.

Both are GLP-1 family. One is the established dual agonist (Tirzepatide), the other is the newer triple agonist (Retatrutide). Side-by-side on receptor targets, half-life, dosing tiers, side-effect profile, and price-per-mg. Plus a decision flow on which one fits which research scope.

04

BPC-157 vs TB-500 — why labs run them together, and when one is enough.

Both ship in the same recovery bundle for a reason. BPC-157 is the gastric-origin body-protection compound; TB-500 is the thymosin beta-4 fragment with a different mechanism. Side-by-side on origin, mechanism, application route, half-life, dosing, and the case for stacking vs picking one.

05

30 mg vs 10 mg — the actual cost-per-mg math, with examples.

Why every 30 mg variant in our catalog is priced ~5 % below pro-rata. Cost-per-mg breakdown across all three dosage tiers (5 mg / 15 mg / 30 mg), worked examples for Tirzepatide and BPC-157, and when going up a tier saves you money vs when it doesn't.

06

Semax vs Selank — nootropic vs anxiolytic, two tools different jobs.

Both Russian-developed heptapeptides, both intranasal, both in the Cognitive Stack bundle — but they target opposite axes. Semax pushes alertness up via dopamine + BDNF; Selank dials anxiety down via GABA. Side-by-side on mechanism, half-life, dosing, and when to stack them.

07

GHK-Cu vs NAD+ — two longevity staples, completely different axes.

Both ship in the Longevity Essentials bundle, both get tagged 'longevity', but they're barely in the same conversation. GHK-Cu is a connective-tissue and skin modulator. NAD+ is a cellular-energy co-enzyme. Mechanism, route, dosing, when each is the right pick.

08

CJC-1295/Ipamorelin vs HGH-191aa — pulsatile vs direct.

Two paths to elevated growth-hormone signalling. The CJC/Ipa blend triggers your pituitary to release endogenous GH in physiological pulses. HGH-191aa bypasses the pituitary and delivers recombinant GH directly. Half-life, feedback loops, dosing, and when to stack them.

09

How to choose your first research peptide — a decision tree.

New researchers consistently get stuck at the same question — where do I start? Decision tree by research goal: weight / healing / longevity / cognitive / growth-hormone. Two compound recommendations per axis with links to every deeper comparison article.

10

Retatrutide vs Tirzepatide — 48-week head-to-head data is finally here.

The first proper Phase-3 comparison dropped last week. Effect size, retention, and the side-effect profile we haven't really seen discussed yet. We summarised the 38 pages into the parts that actually matter for protocol design.

Source · Jastreboff et al., 2026 · NEJM

11

Anonymised: 12-week BPC-157 protocol on a stubborn rotator-cuff.

A reader sent us their weekly log. Anonymised, redacted, posted with permission. Most notable bit: weeks 0–3 looked like nothing was happening, then week 4 onward the trajectory bent sharply.

Source · n=1 · subject anonymised · self-reported

12

Reconstitution math, done once so you can stop guessing.

Three diluent volumes (1.0 / 2.0 / 3.0 ml) × four common dose targets, mapped to units on a U-100 insulin syringe. Print it, tape it inside your fridge door, stop pulling the calculator out at 6 a.m.

13

HPLC chromatograms — what to actually look at on a COA.

We get this question a lot: "the certificate says 99.2% — is that real?" Yes, usually. Here's how to read the chromatogram itself instead of trusting the headline number.

14

GHK-Cu and the connective-tissue story we've been underselling.

Skin gets all the GHK-Cu headlines but the tendon work is arguably more interesting. A 2025 review pulled together 14 studies — here's the short version of what's actually replicable.

Source · Pickart & Margolina, 2025 · Cosmetics