 I needed all the help I could get. I saw the commercials for Prevagen. I started taking it, and it helped. I noticed my memory was better. There was definite improvement. I take a supplement for my heart. Why not one for my brain? I've been taking Prevagen for a little over five years. Prevagen is available in stores everywhere without a prescription. Based on a clinical study of subgroups of individuals who are cognitively normal or mildly impaired, this product is not intended to diagnose, treat, cure, or prevent any disease.