["Extra Long Two Month Supply: Doublewood provides enough lions mane mushroom supplement to last two months. (Whopping 120 capsules)" Support Neurogenesis and Brain Cell Growth: Lion’s mane mushroom may support nerve growth factor and support the production of neurons in the brain. Support your Immune System: Animal research has shown lion’s mane may help support immune defense by supporting the activity of the immune system. BDNF Brain Supplement: Lions mane mushrooms may help support mood and cognitive function by boosting levels of BDNF "Manufactured and Grown in the USA: Double Woods Lions mane mushroom supplement is grown and encapsulated right here in the USA"]