The muscle mass claim LifeVantage claims that 100% of participants who lost weight maintained muscle mass
It might potentially support Leydig cells and their main endocrine function, which is to synthesize testosterone
In male rats exposed to electric foot shocks, levels of TRP, KYN, 3-HK, and KYNA shift dramatically across plasma and multiple brain regions, normalizing within 24 h suggesting a dynamic and time-sensitive response of KP metabolism to stress [69]
Note: Zealthy (FitRX LLC) carries the most extensive regulatory history of any platform in this review series
Disclosures Jos Luis Grriz has served as consultant to Boehringer Ingelheim, Mundipharma, AstraZeneca, and Novo Nordisk and has received speaker honoraria from Boehringer Ingelheim, Mundipharma, AstraZeneca, Novo Nordisk, Novartis, and Eli Lilly and Company