Research chemical
In plain language
A substance sold for laboratory study only, not approved or tested as a medicine for people.
Technical definition
A compound marketed for in-vitro or preclinical research use that has not received regulatory approval for human therapeutic use and is typically labeled "not for human consumption."
Many peptides discussed online are sold as research chemicals, meaning they have not gone through the human safety, efficacy, and manufacturing standards required of approved drugs. Their purity and dosing are not regulated.