Sea buckthorn oil (full spectrum)

Tier 3 — weak evidence · Skin · Mucous membranes · Vaginal dryness

Contains omega-3, -6, -7, and -9 fatty acids plus carotenoids and vitamin E. Berry oil is rich in omega-7, supporting mucous membrane health. Clinical trials show significant improvement in vaginal dryness postmenopause. Also improves dry eyes and skin. Berry oil and seed oil have different compositions and uses.

Dose: 2–4 g/day; berry oil for mucous membranes (omega-7), seed oil for general anti-inflammatory (omega-3/6)