Another good product at excellent price. This was the first ALCAR supplement I bought. - - - - - - - - - - - - It is extremely safe(Carnitine supplementation has an excellent safety record. Doses of 2-6 grams per day over a period of 6 months have been studied with no observed adverse side effects.) and the benefits are numerous - Acetyl-L-carnitine is a precursor of acetylcholine and improves cognitive performance, ameliorates age-related deficits, preserves, at least partially, learning and memory from the natural decay occurring with age, rescues aged neurons by increasing their responsiveness to neuronotrophic factors in the CNS and lot more.... Recommend this product. 5 stars.