Everyone Is Talking About Peptides. What Are They Actually?

THE QUESTION

Everyone is talking about peptides. What are they actually?

THE SIMPLE ANSWER

A peptide is simply a short chain of amino acids. Your body makes many peptides, and some established medicines use peptide biology.

But peptide is also being used online as a marketing word for products that may be approved medicines, compounded products, experimental compounds, or unapproved wellness products. Those categories are not interchangeable.

WHAT WE KNOW

An FDA-approved medicine has been reviewed for a specific use. Its dose, label, manufacturing, benefits, and known risks have been evaluated.

A compounded product is different. Compounding can be appropriate for a patient whose medical need cannot be met by an approved drug, but compounded drugs are not FDA-approved. The FDA does not review them for safety, effectiveness, or quality before they are marketed.

An experimental compound may be under study. That is not the same as being proven or approved. Words such as research use only are not evidence that a product is approved or suitable for human use.

WHAT WE DO NOT KNOW YET

For many peptides promoted for recovery, fat loss, anti-aging, or performance, there is little or no good human evidence for the advertised use. The dose, purity, long-term effects, and interactions may also be uncertain.

The word peptide cannot tell you whether a product works. It cannot tell you whether it is safe. You have to know the exact compound and the evidence for that exact use.

WHY THIS MATTERS TO YOUR HEART

The word peptide covers very different products. Some can affect heart rate, blood pressure, or blood sugar. For several peptide ingredients proposed for compounding, the FDA has identified specific safety concerns or too little human safety information.

Do not buy the category. Ask about the exact product, the exact purpose, and the exact evidence.

ONE QUESTION TO ASK YOUR CLINICIAN

What exactly is this product, is it FDA-approved for the reason I would take it, and what do we know about its effects on my heart, blood pressure, and blood sugar?