One word does not imply one effect
A large chemical category contains many different substances. Avoid transferring a claim from one member to another just because both are called peptides.
A research label is not a treatment licence
An experimental-use statement does not establish suitability for personal use. Equally, a scientific paper mentioning a compound is not regulatory approval for a marketed product.
More certainty is not always more credible
Responsible explanations distinguish established information, limited evidence and open questions. Look for an explicit boundary between a fact and an inference, especially when the same page is selling something.
Sources & references
A chemical record identifies a reference, a study reports a defined investigation, and a product label concerns a specific medicine. A supplier catalogue is not clinical evidence.
General education, not personal medical advice. Ask an appropriately qualified professional about a medicine, symptom or treatment question.