Perilla oil
What it is
The seed oil of Perilla frutescens, a mint-family plant widely used in Japan and Korea, providing roughly 60% ALA — the richest commercial source alongside flaxseed. Perilla leaf extracts (rosmarinic acid-rich) have separate evidence for allergic rhinitis and atopy. The oil itself is primarily a general omega-3 source with the same ALA-to-EPA conversion limits as flaxseed. Slightly more oxidation-prone than flax. Not a DHA source for strict vegans — algal oil remains first-line.
Dose
1 tablespoon (14 mL) daily with food, cold use only
Time of day & tips
Refrigerate after opening; do not heat (oxidises readily); perilla leaf extract is the better-evidenced part for allergy — not the oil; rotate with other plant oils
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