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
Ben Greenfield recommends stacks: "5-Amino-1MQ boosts NAD+, supports fat burning, and pairs well for longevity protocols."[35][26] From discussions, experts like those at NMN.com note: "Inhibiting NNMT with 5-amino-1MQ enhances muscle strength in aged models by boosting NAD+."[14] These insights underscore the combo's power for cellular rejuvenation, with calls for more human trials to confirm benefits
From metabolic depletion to energy that supports your program
In most recovery-focused conversations, the answer is complementarity
Side effects also appear to be more common when protocols are overly aggressive or inconsistent
B12 injections are a common treatment prescribed by healthcare professionals for people with a vitamin B12 deficiency