Unfortunately, there isn’t really any evidence that coffee berry extract increases brain BDNF levels any more than drinking a cup of coffee. The effects of coffee fruit powder on cognitive fuctioning are unarguable, but that doesn’t mean it makes for a good ingredient in a stack like Neuriva!
Harel, first you are likely using far too much melatonin. For better sleep, please see this post for melatonin alternatives >https://nootropicsexpert.com/best-nootropics-for-sleep/ Please review the following stack that was designed for those dealing with ADD or ADHD and are using stimulants ...