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Fatty AcidModerate Evidence

Flaxseed Oil

Linum usitatissimum

The richest plant source of alpha-linolenic acid (ALA), the parent omega-3, with additional lignans in ground flax that act as phytoestrogens for hormonal and gut health.

Known Health Benefits

Plant-based omega-3 (ALA)
Cardiovascular support
Hormonal balance via lignans (phytoestrogens)
Digestive and gut health

Active Compounds

Alpha-linolenic acid (ALA), secoisolariciresinol lignans, fiber

Dosage Guidance

1–2 tbsp oil or 1–2 tbsp ground flaxseed daily

Always consult a healthcare provider for personalized dosing.

Potential Side Effects

GI discomfort at high doses; estrogen-like effects from lignans

Known Drug Interactions

May interact with blood thinners and blood pressure medications

Evidence Classification

Moderate Evidence

Supported by cohort studies, case-control studies, or multiple observational studies with consistent findings.

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