They are often studies not done in humans but in livestock, or conducted in tiny groups of human volunteers, sometimes written by higher-ups in, for example, the chlorella industry
Hanazawa T, Kharitonov SA, Barnes PJ: Increased nitrotyrosine in exhaled breath condensate of patients with asthma
Content: 0.12 kg (166.25 / 1 kg) L-Glutathione 750mg tablets contain the reduced, active form of glutathione, a powerful antioxidant that plays a key role in protecting the body from oxidative stress and supporting detoxification processes
HUBERMAN: Now, if you start combining different peptides together, you get what's called polypeptides
food supplements should not be used as a substitute for a varied and balanced diet