Alpha-lipoic acid is a sulfur-containing antioxidant and metabolic cofactor studied most convincingly for diabetic neuropathy. Typical supplement doses are 300-600 mg/day; evidence for other uses is limited.
100% whey protein is a fast, leucine-rich milk protein concentrate or isolate that supports muscle protein synthesis, recovery, and antioxidant capacity when used as part of a balanced diet.
Alpha-lipoic acid is a mitochondrial cofactor and antioxidant with clinical support for reducing symptoms of diabetic neuropathy. It is available from small dietary sources and in supplement form; evidence for other claimed benefits is limited or mixed.