Competition prep (WADA-tested athletes)
Tested athletes (WADA, USADA, NCAA, IPC, national federations) considering peptides ahead of competitive cycles. The decisive variable is regulatory, not clinical.
Off-season tissue + GH-axis → peak metabolic + endurance (WADA-banned throughout) · 2 phases · guided multi-peptide program with decision criteria and add-to-stack handoff.
What changes during this transition
The editorial frame for this axis is different from every other transition in the library — the question isn't "does this peptide work?" but "is it prohibited?" WADA's prohibited list governs in-competition and out-of-competition substances; for tested athletes, the regulatory classification is the load-bearing variable, not the mechanism. BPC-157 sits under S0 (Non-Approved Substances) — prohibited at all times. CJC-1295 + MK-677 sit under S2 (Peptide Hormones / Growth Factors / GH Secretagogues) — also prohibited at all times. TB-500 (thymosin beta-4) is also S2-prohibited. Detection windows extend beyond plasma clearance via the Athlete Biological Passport (IGF-1, P-III-NP). The 'no detection window because it's a peptide' framing that circulates in community spaces is false — targeted assays exist; testing isn't routine on every panel but it CAN be tested for. Listing these peptides here is editorial honesty — athletes considering them deserve to see the WADA classification clearly, not to discover it after a sanction.
Important caveat
If you compete under WADA (USADA, NCAA, IPC, national federations, masters age-group with federation transitions), all four peptides listed here are sanction risk full-stop. Your sport's anti-doping authority — NOT a peptide clinician — is the resource for confirming detection-window and wash-out specifics. Reinstatement windows and Therapeutic Use Exemption (TUE) protocols are federation-specific. If you're transitioning out of competitive sport, the WADA classification still matters for any future competitive intent.
Peptides editorially relevant to competition prep (wada-tested athletes)
4 peptides from the library — each evidence-tiered honestly.
- BPC-157Tier 3
Gastric pentadecapeptide
Extensively studied in rodents for tissue healing across tendon, gut, vascular, and CNS injury models. Human evidence is essentially absent — community framing far outpaces the data.
- CJC-1295Tier 3
GHRH analog
Long-acting GHRH analog often paired with a GHRP. Strong PK data in humans; outcome data is limited.
- MK-677 (Ibutamoren)Tier 2
Non-peptide ghrelin mimetic (small molecule)
Orally bioavailable small molecule that elevates GH and IGF-1. Multiple human RCTs confirm the hormone effect; clinical-outcome benefits are far less settled.
- TB-500Tier 3
Thymosin Beta-4 fragment
Animal-data peptide marketed as a tissue-repair adjunct. No published human RCTs for musculoskeletal indications.
Want this list to grow? The library is editorial — if there’s a peptide you think belongs on this page with documented or mechanistically-clear evidence, send us a note with the citation and we’ll review it under the same evidence-tier discipline as every other entry.