Vitamin C is a key player in skin health, helping to support collagen production, protect against oxidative stress and aid in skin repair[51]
NMDARs are highly expressed in areas of the brain involved in regulating emotion, such as the hippocampus, where they play a pivotal role in synaptic plasticity and normal working memory, making their activity both necessary and potentially harmful
doi:10.1001/jama.296.1.87 [PubMed] [Crosslink] Yuan L, Kaplowitz N
Sulzer D, Chen TK, Lau YY, Kristensen H, Rayport S, Ewing A
Glutathione peroxidase activity in selenium-deficient rat liver
They can help lighten dark spots and boost collagen when used consistently, though vitamin C is unstable and must be protected from light and air to remain effective