What Peptides Do Celebrities Use? From Ozempic to Growth Hormone

Peptides have gone mainstream. The explosion of GLP-1 weight loss drugs like Ozempic and Mounjaro in Hollywood, combined with the biohacking movement's embrace of growth hormone peptides, has made peptide use one of the most discussed topics in health and wellness.

This guide covers what public figures have actually said on the record — distinguishing confirmed use from speculation.

The biggest wave of celebrity peptide disclosure has been around GLP-1 weight loss drugs:

Confirmed public statements:

• Oprah Winfrey — Publicly discussed using a GLP-1 medication for weight management, helping destigmatize their use. She emphasized using it alongside diet and exercise.
• Sharon Osbourne — Spoke openly about using Ozempic, later expressing concern about losing too much weight.
• Charles Barkley — Discussed using Mounjaro (tirzepatide) for weight loss on television.
• Tracy Morgan — Has spoken about GLP-1 medication use for weight management.
• Chelsea Handler — Discussed unknowingly receiving Ozempic through a wellness program.

The broader trend: multiple entertainment industry insiders have confirmed that GLP-1 drugs are widespread in Hollywood, though most users don't discuss it publicly. The term "Ozempic face" — facial volume loss from rapid weight loss — entered mainstream vocabulary.

Growth hormone secretagogues and related peptides are popular in the anti-aging and biohacking community:

• Joe Rogan — Has discussed growth hormone, TRT (testosterone replacement therapy), and various peptides on his podcast. He has mentioned using Ipamorelin and growth hormone in the context of recovery and anti-aging.
• Bryan Johnson — The tech entrepreneur famous for his "Blueprint" anti-aging protocol has publicly documented using growth hormone and follistatin gene therapy as part of his age-reversal program.
• Andrew Huberman — The neuroscientist has discussed various peptides on his podcast, providing scientific context for compounds like BPC-157 and GH secretagogues, though he emphasizes caution about unregulated compounds.
• Dana White — The UFC president has spoken about using growth hormone and peptide therapies for recovery and anti-aging.

Cosmetic peptides have become staples in celebrity skincare:

• Jennifer Aniston — Has endorsed skincare products containing peptides, specifically collagen peptides and copper peptide (GHK-Cu) formulations. Her skincare brand features peptide-based serums.
• The broader trend: Argireline ("topical Botox") and Matrixyl are now standard ingredients in high-end celebrity skincare lines. Multiple dermatologists to the stars have publicly recommended copper peptide serums.

See our complete skincare peptide guide for the science behind these ingredients.

Celebrity endorsement doesn't equal medical advice. Key takeaways:

1. GLP-1 drugs work — The clinical evidence for semaglutide and tirzepatide is robust, regardless of celebrity use. They are FDA-approved medications.
2. Research peptides are different — Compounds like BPC-157 and growth hormone secretagogues lack the same level of human clinical data as approved drugs.
3. Celebrity protocols aren't for everyone — Biohackers like Bryan Johnson spend hundreds of thousands on medical monitoring. Their protocols are not safely replicable without similar oversight.
4. Cosmetic peptides are the safest entry point — Topical peptide serums (GHK-Cu, Argireline) have genuine evidence and minimal risk.