Never heard of those...I've tried the Prevagen and the other one...Didn't do anything for me. The husband didn't notice any difference either. I guess some people have had great results and swear by them though if you are getting "age related fogginess" or "age related mild memory problems".
Warmly,
Jackie
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Gardner, Rottweiler Enthusiast, Lover of Life, Zebra & Hobbit.