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Botanical · Supplement ingredient

Flax

Flax is listed on 797 U.S. supplement product labels in the NIH DSLD, #251 of 4,614 by label frequency.

797
Products
#251 of 4,614
By frequency

How common is Flax?

Number of supplement labels listing Flax vs nearby botanical ingredients

products
Source NIH Dietary Supplement Label Database (DSLD) As of 2026

Products containing Flax

Clinical Strength Prostate Health
NOW
22 ingredients · Other Combinations
Off Market
Clinical Strength Prostate-B
Protocol For Life Balance
19 ingredients · Other Combinations
Off Market
Cold-Milled Flax Seeds
GNC Natural Brand
15 ingredients · Botanical
Off Market
Colon Care Complete
Healthy Choice Naturals
20 ingredients · Other Combinations
Off Market
Colon Care Complete
Healthy Choice Naturals
20 ingredients · Other Combinations
Off Market
Colon Support
SaveWorldHealth.com
21 ingredients · Other Combinations
Off Market
Complete Protein & Vitamin Shake Mix Decadent Chocolate
Nature's Bounty Optimal Solutions
38 ingredients · Other Combinations
Off Market
Complete Protein & Vitamin Shake Mix Decadent Chocolate
Nature's Bounty Optimal Solutions
38 ingredients · Other Combinations
Off Market
Complete Protein & Vitamin Shake Mix Vanilla Bean
Nature's Bounty Optimal Solutions
37 ingredients · Other Combinations
Off Market
Complete Protein & Vitamin Shake Mix Vanilla Bean
Nature's Bounty Optimal Solutions
37 ingredients · Other Combinations
Off Market
Digestive Blend
Barlean's
22 ingredients · Amino acid/Protein
Off Market
Evening Program
Nature's Plus
27 ingredients · Botanical with Nutrients
Off Market
Everybody's Fiber
Nature's Sunshine
16 ingredients · Other Combinations
Off Market
Everybody's Fiber
Nature's Sunshine
16 ingredients · Other Combinations
Off Market
FeelFit Pea Protein Shake Simply1 Coffee Flavor
Arbonne
49 ingredients · Other Combinations
Off Market
FeelFit Pea Protein Shake Simply1 Vanilla Flavor
Arbonne
46 ingredients · Other Combinations
Off Market
Female Reproductive Factors
Michael's Naturopathic Programs
25 ingredients · Botanical
Off Market
Female Reproductive Factors
Michael's Naturopathic Programs
25 ingredients · Botanical
Off Market
Female Reproductive Factors
Michael's Naturopathic Programs
25 ingredients · Botanical
Off Market
Female Reproductive Factors
Michael's Naturopathic Programs
26 ingredients · Botanical with Nutrients
Off Market
Female Reproductive Factors
Michael's Naturopathic Programs
26 ingredients · Botanical with Nutrients
Off Market
Female Reproductive Factors
MNP Michael's Naturopathic Programs
26 ingredients · Botanical with Nutrients
Off Market
Female Reproductive Factors
MNP Michael's Naturopathic Programs
26 ingredients · Botanical with Nutrients
Off Market
Female Reproductive Factors
MNP Michael's Naturopathic Programs
27 ingredients · Botanical with Nutrients
Off Market
Female Reproductive Factors
MNP Michael's Naturopathic Programs
26 ingredients · Botanical with Nutrients
Off Market
Female Reproductive Factors
MNP Michael's Naturopathic Programs
26 ingredients · Botanical with Nutrients
Off Market
Female Reproductive Factors
MNP Michael's Naturopathic Programs
26 ingredients · Botanical with Nutrients
Off Market
Female Reproductive Factors
MNP Michael's Naturopathic Programs
26 ingredients · Botanical with Nutrients
Off Market
Fiber Cleanse
New Sun
14 ingredients · Other Combinations
Off Market
Fiber Cleanse
New Sun
15 ingredients · Other Combinations
Off Market
Fiber Cleanse with Cascara & Oat Bran
New Sun
10 ingredients · Other Combinations
Off Market
Fiber Complete Body Colon Cleanse
Nature's Plus
12 ingredients · Botanical with Nutrients
Off Market
FiberMax Caps
Advanced Naturals
17 ingredients · Other Combinations
Off Market
FiberMax Caps
Advanced Naturals
19 ingredients · Other Combinations
Off Market
FiberMax Caps
Advanced Naturals
20 ingredients · Botanical with Nutrients
Off Market
FirstDetox II Evening Formula
Advanced Naturals
20 ingredients · Botanical with Nutrients
Off Market
Flax Oil Capsules
Genestra Brands
10 ingredients · Fat/Fatty Acid
Off Market
Flax Oil Capsules
Genestra Brands
8 ingredients · Fat/Fatty Acid
Off Market
Flax Oil Super Lignan
Nature's Way EfaGold
16 ingredients · Fat/Fatty Acid
Off Market
Flax Oil Super Lignan
Nature's Way EfaGold
16 ingredients · Fat/Fatty Acid
Off Market
Flax Seed Oil
Higher Nature
5 ingredients · Fat/Fatty Acid
Off Market
Flax Seed Oil
Higher Nature
5 ingredients · Fat/Fatty Acid
Off Market
Flax Seed Oil 1000 mg
Higher Nature
5 ingredients · Fat/Fatty Acid
Off Market
Flax Seed Plus (Formula)
Nopalina
30 ingredients · Botanical with Nutrients
Off Market
Flaxseed Oil & Lignan
Lake Avenue Nutrition
19 ingredients · Fat/Fatty Acid
Off Market
Flaxseed Oil & Lignan
Lake Avenue Nutrition
19 ingredients · Fat/Fatty Acid
Off Market
Flaxseed Oil 1000 mg
Natural Factors OmegaFactors
12 ingredients · Fat/Fatty Acid
Off Market
Flaxseed Oil 1000 mg
Natural Factors OmegaFactors
12 ingredients · Fat/Fatty Acid
Off Market
Flaxseed Oil 1000 mg
Natural Factors OmegaFactors
12 ingredients · Fat/Fatty Acid
Off Market
Flaxseed Oil 1000 mg
Natural Factors OmegaFactors
12 ingredients · Fat/Fatty Acid
Off Market

Nearby Ingredients in Botanical

Other ingredients in the Botanical category cataloged in the NIH DSLD. Useful for comparing how common different nutrients are across the US supplement market.

Compare Flax vs Rice →

Nationwide ingredients with similar DSLD presence

Two peer sets for Flax: closest on total DSLD label listings (797 here) and closest on distinct brands that list it (233 here). Peers exclude the same DSLD category, and rows stay link-disjoint so each axis is a distinct neighborhood.

Similar label frequency

Nearest other ingredients by distinct DSLD product labels (floored at ≥50), outside this category.

Similar brand breadth

Nearest other ingredients by distinct brands listing them (floored at ≥100 brands), distinct from the label-frequency row.

Frequently asked about Flax

How many supplement products contain Flax?
797 supplement product labels in the NIH DSLD currently lists Flax as an ingredient. By label frequency it ranks #251 of 4,614 among ingredients PlainVitamins ranks (same sort as /rankings/most-common-ingredients). Browse them below.

Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD). Regulatory reference: Source: Dietary Supplement Health and Education Act (DSHEA), 1994, 21 U.S.C. § 321(ff).

Disclaimer, Not Medical Advice: Information on this page is based on manufacturer-declared label data and is provided for educational and reference purposes only. It does not constitute medical, nutritional, or health advice. Consult a licensed healthcare provider before starting, stopping, or combining any supplement, especially if you are pregnant, nursing, take prescription medication, or have a medical condition.

Every figure on PlainVitamins is rendered directly from the NIH Dietary Supplement Label Database (DSLD), no number is typed in by an editor. Ingredient figures are computed directly from the NIH DSLD, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.