Question 1

What is a peptide?

Accepted Answer

A peptide is a short chain of amino acids — the same units that make up proteins. Peptides act as signaling molecules and can be used as tools or, when approved, as drugs.

Question 2

Are peptides safe?

Accepted Answer

It depends on the peptide, purity, dose, route, and context. FDA-approved peptides have documented safety profiles for their approved indications. Research peptides do not.

Question 3

Are peptides legal to buy?

Accepted Answer

In the U.S., peptides intended for research use only can typically be purchased for laboratory use. Human use of unapproved peptides is not sanctioned by the FDA.

Question 4

Do peptides work orally?

Accepted Answer

Most peptides are broken down in the gut, so injection is the most common route. Some are formulated for oral (e.g. Rybelsus) or intranasal delivery.

Question 5

What does 'FDA-approved' mean here?

Accepted Answer

★ on this site marks peptides for which at least one product is FDA-approved for a specific medical indication. It does not imply approval for other uses.

Question 6

How should I store peptides?

Accepted Answer

Lyophilized peptides are typically kept refrigerated or frozen. Once reconstituted, follow the label or research protocol — usually refrigerated and used within weeks.

Question 7

How do I read a peptide label?

Accepted Answer

Look for the sequence, amount (mg), purity (e.g. HPLC ≥98%), lot number, and expiration/storage guidance.

Question 8

Is this site medical advice?

Accepted Answer

No. It is educational only. Always consult a qualified healthcare professional for medical decisions.

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