The key context for this comparison is that both compounds are strictly preclinical -- all claims about cognitive effects are based on animal models, and the translation of these findings to human cognition is uncertain
Glutathione works as an antioxidant by providing electrons to stabilize electron-short, unstable molecules (free radicals) and by providing electrons to tissues in the body that have been damaged (oxidized)
Among the groups of people with conditions who should consult a doctor before choosing L-carnitine supplementation are those with renal, hepatic or cardiovascular disorders, among others
2008 Feb 27;82(9-10):460-6
Possible kidney or liver strain People with pre-existing conditions should consult a doctor before starting treatment
So, if neither of these ingredients works for you, there are several other exfoliating acids to choose from for radiant skin.