Coherium is offering new subscribers their first bottle of Cognitive Coherency for free. Shipping is free as well. This is a Nootropic Supplement for cognition and brain health that`s made with one simple ingredient – Hericium Erinaceus. Hericium Erinaceus ( Lion’s Mane ) is a super food and nootropic for your brain, that has been used for centuries in ancient Chinese medicine for not only mental health but immunity. This food was so rare and so profound for the cognitive benefits that once upon a time, only royalty were permitted to reap the benefits of it.