Remember that everyone's skin is unique, and what works for one person may not work the same way for another
A recent review of vitamin C and colds found that that routine megadoses of vitamin C do not reduce the risk of the common cold in most individuals
Dubois-Deruy E, Peugnet V, Turkieh A, Pinet F
In contrast, larger substitutions, such as the 2-oxo-2-phenylethyl group at the same position, yielded significantly reduced PDE1 inhibitory activity, indicating a preference for smaller groups at this position
Curcumin is a classic curcuminoid extract from the rootstock of turmeric
Pro: It's readily absorbed and more bioavailable than oral glutathione, though less than IV glutathione