Flaxseed (Linum usitatissimum)

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Flaxseed

亚麻籽 (Yà Má Zǐ) · Linum usitatissimum

Richest plant source of omega-3 (ALA) plus lignans and soluble fiber. Evidence for cholesterol, blood pressure, and menopausal symptoms. Also used for constipation.

Evidence Score
10/10
Strong Evidence
Safety
Safe for most adults

Good For

Key Benefits

May provide antioxidant protection

Traditionally associated with healthy aging and vitality

May support healthy digestive function

Traditionally used to harmonize the stomach and intestines

May support hormonal balance

Traditionally used for menstrual health and reproductive wellness

How to Take

Typical dose: Follow product label. Often taken as tea (3-5g dried herb steeped 10 min) or 500-1000mg extract with meals
Forms: capsule, powder, tea/decoction
Timing: Take with food unless otherwise directed. Allow 2-4 weeks for full effects with tonic herbs
Start with lower doses and increase gradually. Quality and standardization vary between brands.

Safety & Interactions

Possible Side Effects

  • Generally well tolerated at recommended doses
  • Mild digestive upset possible in sensitive individuals

Do Not Use If

  • Known allergy to this plant or related species
  • Consult healthcare provider if pregnant or nursing

Drug Interactions

  • No major drug interactions documented at standard doses
  • Inform your doctor of all supplements you take

Traditional Use

In Traditional Chinese Medicine, 亚麻籽 (Yà Má Zǐ) has been used for centuries. It supports the spleen and stomach — the foundation of post-natal qi production in TCM theory. It nourishes blood and supports the liver's role in regulating menstruation according to TCM theory. It is considered a longevity tonic — nourishing the fundamental essence (jing) and supporting the kidneys.

Modern Research

This herb has extensive scientific backing with hundreds of published studies. Multiple clinical trials support its traditional uses, and active compounds have been well-characterized. It represents one of the more evidence-based options in the herbal pharmacopoeia.

View all studies on PubMed for Linum usitatissimum

Where to Buy

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