First, pills are an ongoing treatment that requires you to remember your dosage on your own
L-ascorbic acid at 10-20% concentration or stable derivatives like magnesium ascorbyl phosphate prove effective when applied before peptide serum, though users should ensure compatible pH ranges avoiding formulation conflicts reducing either ingredient's effectiveness as explored in peptide combination guides
Sources WebMD: Glutathione Uses, Side Effects, and More Healthline: Glutathione Benefits
Glycine and N-acetylcysteine (GlyNAC) supplementation in older adults improves glutathione deficiency, oxidative stress, mitochondrial dysfunction, inflammation, insulin resistance, endothelial dysfunction, genotoxicity, muscle strength, and cognition: results of a pilot clinical trial
And ALA, it can be converted into EPA and DHA, but the conversion is very inefficient and very dependent on a variety of factors, including genetics