Cetyl myristate

Fatty-acidBest with a meal

What is it

Cetyl myristate is a fatty acid ester formed from cetyl alcohol and myristic acid. It is a component of cetylated fatty acid (CFA) complexes marketed for joint health.

Evidence for 1 use

AI-assisted evidence assessment — talk to your doctor before relying on any single supplement.

Joint comfort (within CFA complex)

Mixed Evidence

Cetyl myristate as part of CFA complexes has shown modest joint benefits in small trials; isolated effects unclear.

How it works

Cetyl myristate is one of several similar esters in joint health supplements. The proposed mechanism is anti-inflammatory and joint-lubricating, though individual contributions of cetyl myristate within the complex aren't well separated in research. Most studies use mixed CFA complexes rather than isolated cetyl myristate. These cetyl esters are highly lipophilic, absorb well from intestinal fats, and incorporate into cell membranes. Whether this confers meaningful joint benefit in humans is the central unanswered question.

Dosage

Not typically sold as a standalone supplement. As part of a CFA complex: 350-1,000 mg twice daily total.

When and how to take it

Take with meals containing fat to enhance absorption. Effects on joint comfort may take 4-8 weeks.

1 commercial form

Compare the main delivery options and what they’re best suited for.

Component of CFA complex

Most products combine multiple cetylated esters.

Typically not isolated.

Safety

Generally well tolerated within CFA complex products. No serious adverse events reported in available studies. Long-term safety data is limited.

Who should be cautious

Insufficient pregnancy, breastfeeding, and pediatric data; best avoided in these populations.

Interactions

Limited data. No significant interactions identified.

Frequently asked questions

Is cetyl myristate different from cetyl myristoleate?⌄

Yes. Myristate (from myristic acid, saturated) and myristoleate (from myristoleic acid, monounsaturated) are different. Both appear in CFA complexes.

References

Cetyl myristate on Wikidata — Wikidata link

Cetyl myristate (PubChem CID 75779) — PubChem link

Cetyl myristate on NIH DSLD (US supplement label database) — NIH Dietary Supplement Label Database link

Research on Cetyl myristate (PubMed search) — PubMed link

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Evidence-based·How we grade evidence

Disclaimer: These statements have not been evaluated by the FDA. This page is educational, not a substitute for personalized medical advice. Evidence grades are AI-assisted assessments — talk to your doctor before starting any new supplement, especially if you’re pregnant, breastfeeding, on medications, or managing a chronic condition.