Normal doses of NAC (around 500-600 milligrams daily) are generally safe, but side effects may include nausea, vomiting and headache.
Sunflower Lecithin (21mg) A phospholipid complex supporting normal cell membrane integrity, healthy fat emulsification, and cognitive function.*
American Journal of Clinical Nutrition, August, 2006
Additionally, they can slow down aging, promote bone healing, improve wound healing, enhance muscle mass, and can even assist in increasing metabolic activity
Comprehensive assessment of multiple tryptophan metabolites as potential biomarkers for immune checkpoint inhibitors in patients with non-small cell lung cancer

However, some secondary measures of nerve impairment did improve, especially in participants with higher cardiovascular risk and moderate BMI.7 Shorter-term trials have shown that 600mg/day of oral racemic ALA reduced neuropathy symptoms like burning, tingling, and numbness in as little as 35 weeks.4 20 A 2010 meta-analysis concluded that oral ALA can improve symptoms of diabetic neuropathy, but noted variability in effect sizes across trials and better results with intravenous administration.1 Despite promising results from some trials, a recent systematic review evaluating eight randomized controlled trials indicates that findings on ALA's effectiveness in treating diabetic neuropathy symptoms are inconsistent.23 While ALA proved safe and tolerable across these studies, the review concluded that definitive evidence supporting significant benefits is limited