First, it is one of the only Lion's Mane mushroom products on the market with a human double-blind, placebo controlled clinical trial supporting it's cognitive benefits. Second, it is third party batch tested to confirm bioactive ingredients (including hericenes, not just polysaccharides or beta glucans) and that it does not contain anything it should not. Third, it is a 12:1 fruiting body extract. Click here for a transparent supply chain.
Here is a white paper detailing the quality control:
White Paper – Nordic Mushrooms
The fruiting body contains hericene A, which is a newly discovered bioactive component in Lion's Mane that supports the production of new neural pathways.