Peptides articles – page 3

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

CJC-1295 Peptide: Benefits, DAC vs No DAC & Safety

CJC-1295 Peptide: Benefits, DAC vs No DAC & Safety

Reviewed by Richard Dentico, MD · Updated October 21, 2026
CJC-1295 + Ipamorelin: Benefits, Uses & What to Expect

CJC-1295 + Ipamorelin: Benefits, Uses & What to Expect

Reviewed by Richard Dentico, MD · Updated October 21, 2026
NAD+ Benefits: What the Research Shows and Side Effects

NAD+ Benefits: What the Research Shows and Side Effects

Reviewed by Richard Dentico, MD · Updated October 21, 2026
GHK-Cu Peptide Benefits: What the Copper Peptide Does

GHK-Cu Peptide Benefits: What the Copper Peptide Does

Reviewed by Richard Dentico, MD · Updated October 21, 2026
What Is Selank? The Selank Peptide, Explained

What Is Selank? The Selank Peptide, Explained

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