Every product referenced on this site is offered by its vendor for laboratory research use only. It is not a drug, not a supplement, and not approved for human or veterinary use.
It compares what vendors charge, normalised to cost per milligram, so that a price comparison is arithmetic rather than marketing. That is the entire scope.
Where a page describes what a molecule is, it is describing published preclinical literature — what has been studied in cell and animal models — and nothing more. Handling, storage and disposal of research chemicals are the responsibility of the purchaser, under the laws of their own jurisdiction.