Peptide guides
Practical how-tos for peptide researchers. Written plainly, with math you can check, and kept current. No affiliate links, no supplement shilling.
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How to Reconstitute Peptides
The complete guide: BAC water vs sterile water, syringe sizes, dosing math, storage, and the 7 most common mistakes.
Insulin Syringe Units Explained
U-100 vs U-50 vs U-30, how to read the ticks accurately, and convert units into mg or mcg for peptide dosing.
Peptide Injection Sites & Rotation
Subq vs IM, the four main subq sites, the 2 cm rotation rule, a quadrant schedule, and how to avoid lipohypertrophy.
Peptide Storage & Shelf Life
Lyophilized vs reconstituted, fridge vs freezer, shelf life by compound, travel rules, and the 6 mistakes that ruin a vial.
First-Timer's Guide
New to peptides? Mindset, supplies, first-peptide selection, dosing philosophy, your first injection, and common mistakes.
Half-Lives Explained
What half-life means for dosing cadence, steady-state, and accumulation. Per-peptide table and when short beats long.
Traveling with Peptides
Cold-chain, TSA and international flight rules, customs by country, and a practical packing checklist.
COA Decoded
How to read a peptide Certificate of Analysis — HPLC purity, mass spec identity, endotoxin, and the red flags for fake COAs.
How to Read a COA
Step-by-step walkthrough of the 9 sections of a peptide Certificate of Analysis, for first-time readers.
COA Red Flags
The 11 signs a peptide lab report is fake, recycled, or unreliable — ranked by severity.
Verifying Purity
Third-party peptide labs (Janoshik, EAG, Intertek), test costs, and how to submit a sample in 2026.
Stacks
Related tools
Reconstitution Calculator
Enter mg + BAC water + desired dose. Get exact insulin-syringe units on U-100, U-50, and U-30.
Dose Converter
Convert between mcg, mg, and IU. Presets for HGH (3 IU/mg) and HCG (9,000 IU/mg).
Half-Life Visualizer
Interactive chart of plasma concentration over time. See steady state, peaks, troughs, and accumulation.
Coming soon
- Understanding half-life and dosing frequency
- Peptide stacking — what pairs well, what doesn't
- How to read a certificate of analysis (COA)
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