How about penicillin (antibiotics)
Efficacy and tolerability of a cream containing modified glutathione (GSH-C4), beta-Glycyrrhetic, and azelaic acids in mild-to-moderate rosacea: A pilot, assessor-blinded, VISIA and ANTERA 3-D analysis, two-center study (The Rosazel Trial)
"The risk of low energy availability will be more immediate which can be a long term issue, alongside picking up illnesses, not responding to training as well, longer recovery times, and the quality of your riding wont be as good," said said Dr Sam Impey, a performance nutritionist and co-founder of nutrition app Hexis, currently used by eight WorldTour teams
Importance of Preservatives When considering glutathione supplements, it's worth noting that the product may contain other ingredients for stability and preservation purposes