Inside your body, it acts as one of the skin's main antioxidants that help fight against free radicals
Magnesium enters the composition from the VIP variant, and vitamin C is present in all three variants
However, the evidence is limited, and results from one proprietary formulation cannot automatically be applied to every spray, lozenge or liquid product
Tretinoin is typically recommended for those with more pronounced skin concerns and can lead to significant improvements in skin tone and texture
It's an ambiguity acknowledged by the review's authors, who state that more research is needed to clarify optimal amounts and to identify "sub-groups of individuals most likely to respond to particular nutrients or foods." Speaking with a doctor is your best first-line action to determine whether you could benefit from swapping dietary glutathione for a supplement, or vice versa
A 2022 systematic review of randomized controlled trials confirms its effectiveness in improving signs of photoaging, including fine wrinkles, skin texture, and collagen formation