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Vitamin · Supplement ingredient

Vitamin B9 (5-Methyltetrahydrofolate)

Vitamin B9 (5-Methyltetrahydrofolate) is listed on 333 U.S. supplement product labels in the NIH DSLD, #433 of 4,614 by label frequency.

333
Products
#433 of 4,614
By frequency

How common is Vitamin B9 (5-Methyltetrahydrofolate)?

Number of supplement labels listing Vitamin B9 (5-Methyltetrahydrofolate) vs nearby vitamin ingredients

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

Products containing Vitamin B9 (5-Methyltetrahydrofolate)

Alive! Max3 Potency Adult Complete Multivitamin Tablets
Nature's Way
107 ingredients · Other Combinations
Off Market
B Vitamin Complex
SuperiorLabs
11 ingredients · Vitamin
Off Market
B-12 / Methyl Folate 1000 mcg/800 mcg
Vital Nutrients
7 ingredients · Vitamin
Off Market
B-Complex #12
Thorne Research
20 ingredients · Other Combinations
Off Market
B-Complex #12
Thorne
20 ingredients · Vitamin
Off Market
B-Complex #12
Thorne
20 ingredients · Vitamin
Off Market
B-Complex #12
Thorne
17 ingredients · Vitamin
Off Market
B-Complex #12
Thorne
17 ingredients · Vitamin
Off Market
B-Complex #12
Thorne
17 ingredients · Vitamin
Off Market
B-Complex Plus
Pure Encapsulations
11 ingredients · Vitamin
Off Market
B-Complex Plus
Pure Encapsulations
11 ingredients · Vitamin
Off Market
Bariatric Nutrients
Thorne Research
41 ingredients · Other Combinations
Off Market
Basic B Complex
Thorne Research
17 ingredients · Other Combinations
Off Market
Basic B Complex
Thorne
16 ingredients · Vitamin
Off Market
Basic B Complex
Thorne
16 ingredients · Vitamin
Off Market
Basic Detox Nutrients
Thorne Research
43 ingredients · Other Combinations
Off Market
Basic Nutrients 2/Day
Thorne
34 ingredients · Multi-Vitamin and Mineral (MVM)
Off Market
Basic Nutrients V With Copper Without Iron & Iodine
Thorne Research
34 ingredients · Other Combinations
Off Market
Basic Prenatal
Thorne Research
33 ingredients · Multi-Vitamin and Mineral (MVM)
Off Market
Basic Prenatal
Thorne Research
33 ingredients · Multi-Vitamin and Mineral (MVM)
Off Market
Basic Prenatal
Thorne Research
34 ingredients · Multi-Vitamin and Mineral (MVM)
Off Market
Basic Prenatal
Thorne
35 ingredients · Multi-Vitamin and Mineral (MVM)
Off Market
Basic Prenatal
Thorne
35 ingredients · Multi-Vitamin and Mineral (MVM)
Off Market
Basic Prenatal
Thorne
32 ingredients · Multi-Vitamin and Mineral (MVM)
Off Market
Basic Prenatal
Thorne
33 ingredients · Multi-Vitamin and Mineral (MVM)
Off Market
Basic Prenatal
Thorne
33 ingredients · Multi-Vitamin and Mineral (MVM)
Off Market
Best Fully Active B Complex
Doctor's Best
15 ingredients · Other Combinations
Off Market
Best Fully Active Folate
Doctor's Best
5 ingredients · Other Combinations
Off Market
CellularActive Methylfolate 800 mcg Natural Raspberry Flavor
Bluebonnet EarthSweet Chewables
14 ingredients · Vitamin
Off Market
Children's Basic Nutrients
Thorne Research
37 ingredients · Other Combinations
Off Market
Citrate Formula Basic Nutrients III Without Copper And Iron
Thorne Research
34 ingredients · Other Combinations
Off Market
Citrate Formula Basic Nutrients IV With Copper And Iron
Thorne Research
36 ingredients · Multi-Vitamin and Mineral (MVM)
Off Market
Complete Prenatal
WeCare Naturally
35 ingredients · Multi-Vitamin and Mineral (MVM)
Off Market
Extra Nutrients
Thorne Research
40 ingredients · Other Combinations
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
Folate 1,333 mcg DFE (Metafolin 800 mcg)
Solgar
8 ingredients · Vitamin
Off Market
Folate 1,333 mcg DFE (Metafolin 800 mcg)
Solgar
8 ingredients · Vitamin
Off Market
Folate 1000 mcg (Metafolin 1,000 mcg)
Solgar
8 ingredients · Vitamin
Off Market
Folate 1000 mcg (Metafolin 1,000 mcg)
Solgar
8 ingredients · Vitamin
Off Market
Folate 5,000 Plus
Pure Encapsulations
6 ingredients · Vitamin
Off Market
Folate 5,000 Plus
Pure Encapsulations
6 ingredients · Vitamin
Off Market
Folate 666 mcg DFE (Metafolin 400 mcg)
Solgar
8 ingredients · Vitamin
Off Market
Folate 666 Mcg DFE (Metafolin 400 MCG)
Solgar
8 ingredients · Vitamin
Off Market
Folic Acid 800 mcg
NaturesPlus
11 ingredients · Vitamin
Off Market
Folic Acid Hearts
Nature's Plus
11 ingredients · Vitamin
Off Market
Fully Active Folate 400 mcg
Doctor's Best
6 ingredients · Vitamin
Off Market
Iron Complex Caps
NOW
11 ingredients · Botanical with Nutrients
Off Market
Klean Gummy Multivitamin Natural Raspberry-Lemonade Flavor
Klean Athlete
49 ingredients · Botanical with Nutrients
Off Market

Nearby Ingredients in Vitamin

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

Compare Vitamin B9 (5-Methyltetrahydrofolate) vs Vitamin C →

Nationwide ingredients with similar DSLD presence

Two peer sets for Vitamin B9 (5-Methyltetrahydrofolate): closest on total DSLD label listings (333 here) and closest on distinct brands that list it (78 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.

Frequently asked about Vitamin B9 (5-Methyltetrahydrofolate)

How many supplement products contain Vitamin B9 (5-Methyltetrahydrofolate)?
333 supplement product labels in the NIH DSLD currently lists Vitamin B9 (5-Methyltetrahydrofolate) as an ingredient. By label frequency it ranks #433 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.