Great supplement for memory and nerve support. The Lion's Mane mushroom has been shown to rebuild the myelin sheath in the brain and reduce calcium deposits in the brain that have been associated with Alzheimers, dementia and Parkinsons. Use to preserve and expand cognitive function! Listen to a seven minute interview with Paul Stamets (mycologist extraordinaire) about clinical trials that demonstrated this. Available on Amazon. Here is a longer interview with Paul Stamets I like better - "How Mushrooms Can Save You & the World" - might take you a few nights, or a long drive to get through!