Francesco Puppi, recent podium finisher of the Western States 100, wrote a thoughtful piece about the state of drug testing in ultras following the high profile test failure of Joyline Chepngeno in 2025
The standard combination protocol uses BPC-157 at 0.25-0.5 mg daily alongside TB-500 at 2-5 mg weekly during a loading phase of 4 weeks, followed by TB-500 maintenance at 2-3 mg weekly while continuing daily BPC-157
Carvajal-Vidal P, Fbrega M-J, Espina M, Calpena AC, Garca ML
In fact, research suggests that due to its antioxidant and detoxifying properties, glutathione may help treat nonalcoholic fatty liver disease
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