Glossary · 37 terms
The vocabulary.
Every term the rest of the site assumes you understand. Lyophilized, U-100, pulsatile, COA, gray market, half-life. Click any entry for the longer explanation + cross-links.
A2 terms
B1 term
C3 terms
E1 term
F1 term
G3 terms
H2 terms
I5 terms
- ID testIndependent mass-spec verification by a chat member, not the vendor.
- IGF-1 (Insulin-like Growth Factor-1)The downstream effector of growth hormone. Drives most of GH's anabolic effects.
- Insulin syringeSmall-barrel syringe with U-100 unit markings, used for subq peptide injection.
- Intramuscular (IM)Injection into the muscle. Faster absorption than subq.
- IU (International Units)Activity-based dosing unit. Used for hormones (HCG, HGH, EPO).
L1 term
M2 terms
N1 term
P7 terms
- PeptideA short chain of amino acids — between 2 and ~50.
- Phase 1 trialFirst-in-human safety trial. Small (20-80) and not designed to prove benefit.
- Phase 2 trialSmaller dose-finding trial. Establishes efficacy + side effect profile.
- Phase 3 trialLarge multi-site trial — last step before FDA approval.
- PMIDPubMed unique identifier for a published paper.
- Preclinical / animal-onlyTested in cells or animals — not humans. Most off-label peptides live here.
- Pulsatile (vs bolus)Many small doses spread over time — vs one big dose.
R2 terms
S4 terms
T1 term
U1 term