Volkow notes that such a mechanism could interfere with that incentive, motivational drive, that consumption reinforces and generates in our brain it just blocks it. That is of course extremely important for drugs, because thats what drugs do: Immediately activates a system, and you just want more and more and more and it escalates
What it does not assert and no certificate from any supplier can assert is that the material is safe, that it is suitable for any use in humans or animals, or that it will reproduce a result reported in a published paper
The papers here are background only
Individual results will vary based on factors including age, baseline health status, gut microbiome composition, diet, lifestyle, consistency of use, genetic factors, current medications, and other individual variables