n-acetylcysteine and glutathione NAC (N-Acetyl-L-Cysteine) Precursor – Molecular Provisions The Combined Antioxidant Effects of

Avoid applying the following in the same routine as your Copper Peptide serum: A: Direct Acids: Glycolic, Lactic, and Salicylic acids

Sources: R, P., Se, L

Free Radic Biol Med 25(9):10441048

: Nutrients ,

The theory is that apple cider vinegar increases the acidity of your stomach, which helps your body create more pepsin, the enzyme that breaks down protein ( While there is no research to support the use of vinegar for digestion, other acidic supplements, such as betaine HCL, may help significantly increase the acidity of the stomach ( Acidic foods like apple cider vinegar may have similar effects, but more research is needed