My daughter and I went on a journey to find a good mushroom coffee we have had a lot of them.Sometimes the product was not as good as advertised, sometimes the support from the company just was not there.But I must say after trying Neubrain the product is great and the support from the company has been perfect. We both love the taste and yes you can actually feel the product work. Thank you Neubrain for being exactly what you said it would be.