garlic increases glutathione levels Immunomodulatory Effects of Glutathione, Derivatives, and Hydrogen Sulfide 5 Best Antioxidants for Sleep:

doi: 10.1136/jitc-2021-002548 98 LiuPSChenYTLiXHsuehPCTzengSFChenHet al

These receptors sit in the area postrema and the nucleus of the solitary tract, regions that regulate satiety, gastric emptying, and food intake

That is their primary function

Phytother Res Int J Devoted Pharmacol Toxicol Evaluat Nat Product Derivatives 14(7):564567 Sengupta A, Ghosh S, Das S (2004) Modulatory influence of garlic and tomato on cyclooxygenase-2 activity, cell proliferation and apoptosis during azoxymethane induced colon carcinogenesis in rat

This method provides a new tool for anti-doping agencies to detect the misuse of these substances