I've ordered from Now in the past and have never been disappointed. I've been taking this for approximately three weeks and can definitely feel a positive improvement. Clearer thinking, improved memory are some of the things I've noticed. I have a seizure disorder and my meds really affect my mental clarity. My mother died of a dementia type illness so I'm hoping this will be preventative. I'm going to continue using this. As I said earlier, I've ordered many times from this company and and have always received quality products and fast service. I will continue to purchase from them and recommend their products