glutathione tablets for hyperpigmentation skin lightening: a regnant myth or evidence-based verity? PREGIN (L-Glutathione Tablets) – Natural

Human trials demonstrate that two weeks of glutathione supplementation (1g daily) significantly reduces exercise-induced blood lactate elevation and prevents the decrease in intermuscular pH that typically occurs during intense physical activity

doi: 10.1007/s10552-009-9399-7

In a randomized controlled trial, 44 obese or overweight women treated with 80 mg of pyridoxine hydrochloride (a form of vitamin B6) for eight weeks experienced improved insulin sensitivity and decreased fat mass compared with placebo (Haidari 2021)

However, peptide therapy is not a substitute for proven vascular care

Exosomes are more potent but less standardised

Asking for the single best compound assumes a competition that does not reflect reality