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a lower proportion of participants was found to present with bronchial hypersensitivity to histamine which characterizes chronic asthma in the vitamin C group compared to the control group (reviewed in 214)

Competitive athletes subject to drug testing should NOT use 5-amino-1MQ, as it is banned by the World Anti-Doping Agency (WADA) under the S0 category of Non-Approved Substances. Use of the compound may result in positive drug tests, sanctions, and disqualification from competition

Modifications: Strategic amino acid substitutions enhance stability against enzymatic degradation (particularly by DPP-IV)

There is one small pilot study in humans (examining knee pain, where 7 of 12 participants reported sustained improvement beyond 6 months) and a 2025 safety study confirming BPC-157 was well tolerated in healthy adults