Peptides articles

Peptides are short chains of amino acids, and a few are prescribed by physicians while many more are sold online without a prescription. These articles explain what each peptide is, what the research does and does not show, how prescribed peptides differ from research-grade products, and which ones are not FDA-approved. Every article is medically reviewed by Richard Dentico, MD, Protocol Health's medical director, and is written to our editorial policy.

Reviewed by Richard Dentico, MD · 29 articles

Semax Peptide Benefits, Uses & What to Expect

Semax Peptide Benefits, Uses & What to Expect

Reviewed by Richard Dentico, MD · Updated October 28, 2026
Pentadecapeptide Arginate (Oral BPC-157): What It Is and Safety

Pentadecapeptide Arginate (Oral BPC-157): What It Is and Safety

Reviewed by Richard Dentico, MD · Updated October 28, 2026
What Is Peptide Therapy? A Complete Guide

What Is Peptide Therapy? A Complete Guide

Reviewed by Richard Dentico, MD · Updated October 28, 2026
Sermorelin Before and After: What the Trials Measured

Sermorelin Before and After: What the Trials Measured

Reviewed by Richard Dentico, MD · Updated October 25, 2026
Sermorelin vs Tesamorelin: What the Trials Actually Show

Sermorelin vs Tesamorelin: What the Trials Actually Show

Reviewed by Richard Dentico, MD · Updated October 21, 2026
Are Peptides Legal? FDA Status, Prescriptions and Gray Areas

Are Peptides Legal? FDA Status, Prescriptions and Gray Areas

Reviewed by Richard Dentico, MD · Updated October 21, 2026
Peptide Therapy NYC: FDA Status, Trials and How Access Works

Peptide Therapy NYC: FDA Status, Trials and How Access Works

Reviewed by Richard Dentico, MD · Updated October 21, 2026
Peptides for Muscle Growth: What the Human Evidence Shows

Peptides for Muscle Growth: What the Human Evidence Shows

Reviewed by Richard Dentico, MD · Updated October 21, 2026
Copper Peptides: Serum, Injection, and Why They Are Not the Same Thing

Copper Peptides: Serum, Injection, and Why They Are Not the Same Thing

Reviewed by Richard Dentico, MD · Updated October 21, 2026
Peptide Therapy Near Me: How to Vet a Clinic in Westchester

Peptide Therapy Near Me: How to Vet a Clinic in Westchester

Reviewed by Richard Dentico, MD · Updated October 21, 2026
Pharmaceutical-Grade vs Research-Grade Peptides: What's the Difference?

Pharmaceutical-Grade vs Research-Grade Peptides: What's the Difference?

Reviewed by Richard Dentico, MD · Updated October 21, 2026
How Long Does BPC-157 Take to Work?

How Long Does BPC-157 Take to Work?

Reviewed by Richard Dentico, MD · Updated October 21, 2026