Source comparison
WADA Classification vs FDA Status: MK-677 Comparison
WADA Prohibited substance (Section S2) N/A. Bans use in sport, not possession Not relevant to WADA framework 21+ days in urine 4-year suspension from sanctioned competition FDA Not approved for human use; investigational compound Yes (not controlled federally)
This comparison does not assign a generated winner or score.
- WADA
- Prohibited substance (Section S2)
- N/A. Bans use in sport, not possession
- Not relevant to WADA framework
- 21+ days in urine
- 4-year suspension from sanctioned competition
- FDA
- Not approved for human use; investigational compound
- Yes (not controlled federally)
- No. Clinical trials only
- N/A
- N/A. FDA doesn't regulate athletic competition
- DEA
- Not scheduled under Controlled Substances Act
- Yes
- No
- No criminal penalty for possession
- Professional Assessment
- MK-677 is legal to buy and possess for research purposes but absolutely prohibited for anyone competing under WADA rules. The compound's legal availability creates a false sense of safety. Athletes assume 'legal = allowed,' but WADA bans hundreds of legal compounds based on mechanism alone.