There has also been a suggestion it might help with cognitive performance, such as improved focus and concentration, but clinical trials are needed to confirm this
For people using unregulated products, the most frequent complaints line up with general injection or GIrelated issues: Injectionsite pain, swelling, or redness
XIAP is a copper binding protein deregulated in Wilsons disease and other copper toxicosis disorders
This accelerated resolution of inflammation corresponds with faster progression through healing phases
Importantly, when ascorbate donates an electron and becomes itself oxidized, or consumed, the ascorbate radical is relatively harmless
(Source for lack of human PK data)