I would say air is first, water second in terms of purity
Non-habit forming Safe for daily use
Jeong J-H, Han J-S, Jung Y, Lee S-M, Park S-H, Park M, Shin M-G, Kim N, Kang MS, Kim S, Lee K-P, Kwon K-S, Kim C-A, Yang YR, Hwang G-S, Kwon E-S (2023) A new AMPK isoform mediates glucose-restriction induced longevity non-cell autonomously by promoting membrane fluidity
Neither indicator was reached for patients taking Keytruda, while those on placebo survived an average of 52.4 months, with an event-free survival time of 17 months
Alpha GPC is widely used in studies of cholinergic neurotransmission, acetylcholine biosynthesis pathways, phosphatidylcholine metabolism, membrane phospholipid turnover, and neurotransmitter precursor dynamics
Some insurers wont cover either drug without prior authorization from a doctor