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Flax seed

Concern score

Not assessed — no hazard data yet.

Flax seed in plain language

What it is

Also known as Linseed · Lini semen · Beneflax flax lignan extract · Flaxseed · Flaxseed meal · Flaxseed whole

Show all 23 names

Linum usitatissimum l. seed · Linum usitatissimum seed · Flax seeds · Ae-flaxseed · Ae-linseed · Common flax seed · Cultivated flax seed · Flaxseed allergenic extract · Flaxseed extract · Linum humile seed · Flaxseed seeds · Ya ma zi · Yamazi · Allergenic extract- flaxseed or linseed linum usitatissimum · Linum usitatissimum (linseed) seed extract · Linum usitatissimum (linseed) seed powder · Linum usitatissimum

What it does

We don't have a plain-language description for Flax seed yet.

Is it a concern?
We haven't assessed a concern score for this ingredient yet.

Regulation

No restrictions found. Flax seed appears in these published regulatory listings.

  • In marketed US drugs
  • USFDAlisted in openFDA substance2 entries
    • openFDA substance registry classifies this ingredient as concept.Source →
    • openFDA substance registry classifies this ingredient as structurallydiverse.Source →
  • USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 21 active drug products and 22 total products.
    • FDA NDC lists this ingredient in 21 active drug products and 22 total products.Source →

Evidence & sources

No graded research studies for Flax seed yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

3 data sources

Where this comes from

  • FDA National Drug Code Directory

    regulatory · updated 2028-06-05

    Open →
  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • openFDA Substance

    registry · updated 2026-05-24

    Open →
Reference links (1)

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Where it has been recorded

How often FDA National Drug Code directory has listed Flax seed in a product composition. These are source records, not Greenveil catalog products.

Source records

22

See products using Flax seed →

Catalog

Found in these products

Their ingredient lists include Flax seed; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

Co-occurrence

Often appears with

Ingredients that frequently appear alongside Flax seed in the catalog.