Omega-7 (Sea Buckthorn Oil)

Also known as: sea buckthorn, hippophae rhamnoides, palmitoleic acid, omega 7

Grade C — Preliminaryfatty acidmucosal health
500–1000 mgWith meals; once or twice daily

Rich source of palmitoleic acid (omega-7), a fatty acid that supports mucosal membrane health throughout the body. Emerging evidence for skin, cardiovascular, and GI benefits. Less studied than omega-3 but shows promise for dry eyes, dry mouth, and mucosal support.

✨Skin & Hair🦠Gut Health❤️Heart Health
Last reviewed: 2026-03-12

Quick Facts

Evidence

Grade C

Studies

1

Interactions

2

Forms

1

Evidence Rating: Grade C — Preliminary

Limited human trials, mostly animal or in-vitro data. Promising but not yet proven in robust human studies.

Interaction Warnings

Blood thinnersLow

Mild antiplatelet effects possible — likely clinically insignificant.

Blood pressure medicationsLow

May have mild blood pressure lowering effects.

Important Notes

  • Contains palmitoleic acid (omega-7), a less common fatty acid
  • Supports mucosal membranes throughout the body (oral, GI, vaginal)
  • May support cardiovascular markers — limited but promising research
  • Quality varies — look for supercritical CO2 extracted products

Clinical Evidence (1 study)

Sea buckthorn oil — a valuable source for cosmeceuticals

Zielinska A et al. (2017) — Cosmetics

Sea buckthorn oil rich in omega-7 supports skin barrier repair, mucosal membrane health, and has anti-inflammatory properties

Alternatives to Consider

These supplements target similar goals and may be worth considering alongside or instead of Omega-7 (Sea Buckthorn Oil).

Evening Primrose Oil

Grade C

Rich source of gamma-linolenic acid (GLA), an anti-inflammatory omega-6 fatty acid. Used for skin conditions, PMS, and inflammation. Evidence is moderate. Takes weeks to show effects. Avoid with seizure medications.

✨ Skin & Hair

Related Supplements

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Grade B — Moderate Evidence

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Grade A — Strong Evidence

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Psyllium Husk

Grade A — Strong Evidence

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Grape Seed Extract

Grade B — Moderate Evidence

Rich source of proanthocyanidins (OPCs) with strong antioxidant activity. Evidence for blood pressure reduction, skin protection, and vascular health. Well-tolerated with few side effects.

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⚕️ Important Disclaimer

This information is for educational purposes only. It is not medical advice. Always consult a healthcare provider before starting any supplement regimen, especially if you take medications or have health conditions.

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