Peptide YY Peptide YY (PYY) is co-localized with GLP-1 in enteroendocrine L cells (119) and is co-released with GLP-1 postprandially, in proportion to caloric intake (119, 120)
If your medication has a warning not to eat grapefruit while taking it, you shouldnt take berberine with it, either.55 (Note, also, that berberine isnt the only supplement that interacts with cytochrome P450)
Natural glutathione concentration decreases naturally as we age, so supplementing with the antioxidant is common
Highlights 1
Some medications need dose adjustments or withdrawing, especially in the setting of acute illness that can result in dehydration and acute renal failure
Lovshin JA, Rajasekeran H, Lytvyn Y, Lovblom LE, Khan S, Alemu R, Locke A, Lai V, He H, Hittle L, Wang W, Drucker DJ, Cherney DZI