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Vitamin · Supplement ingredient

Vitamin B9 (methyltetrahydrofolate)

Vitamin B9 (methyltetrahydrofolate) is listed on 98 U.S. supplement product labels in the NIH DSLD, #806 of 4,614 by label frequency.

98
Products
#806 of 4,614
By frequency

How common is Vitamin B9 (methyltetrahydrofolate)?

Number of supplement labels listing Vitamin B9 (methyltetrahydrofolate) vs nearby vitamin ingredients

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

Products containing Vitamin B9 (methyltetrahydrofolate)

AminoMeal Select Chocolate
Moss Nutrition
55 ingredients · Botanical with Nutrients
On Market
AminoMeal Select Vanilla
Moss Nutrition
54 ingredients · Botanical with Nutrients
On Market
Baby & Me Multivitamin
Innate Response Formulas
27 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Baby & Me2 Prenatal Multi Minis
MegaFood
32 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Basic B Complex
Thorne
17 ingredients · Vitamin
On Market
Basic Nutrients 2/Day
Thorne
32 ingredients · Other Combinations
On Market
Basic Prenatal
Thorne
33 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
BID MultiSelect (without Copper, Iron, Vitamin K)
Moss Nutrition
40 ingredients · Other Combinations
On Market
Catalyte Lemon Lime Flavored Electrolytes
Thorne
25 ingredients · Other Combinations
On Market
Heart Healthy Multivitamin Complete
Dr. Sinatra
53 ingredients · Other Combinations
On Market
HepatoDetox Select
Moss Nutrition
20 ingredients · Other Combinations
On Market
Kids Multivitamin Mixed Berry Flavored
Dr. Berg
50 ingredients · Botanical with Nutrients
On Market
Liver Cleanse
Dr. Berg
13 ingredients · Other Combinations
On Market
Men Over 55 One Daily
MegaFood
32 ingredients · Botanical with Nutrients
On Market
Men Over 55 One Daily
MegaFood
32 ingredients · Botanical with Nutrients
On Market
Men Over 55 One Daily
MegaFood
32 ingredients · Botanical with Nutrients
On Market
Men's 40+ Multi
Ancient Nutrition
36 ingredients · Other Combinations
On Market
Men's 40+ Multivitamin
Innate Response Formulas
25 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Men's 40+ Multivitamin
Innate Response Formulas
26 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Men's 40+ Once Daily Multi
Ancient Nutrition
35 ingredients · Other Combinations
On Market
Men's 55+ Multivitamin
Innate Response Formulas
25 ingredients · Botanical with Nutrients
On Market
Men's Multivitamin
Innate Response Formulas
25 ingredients · Botanical with Nutrients
On Market
Men's Multivitamin
Innate Response Formulas
25 ingredients · Botanical with Nutrients
On Market
Methyl Folate 400 mcg
Carlson
5 ingredients · Vitamin
On Market
Methyl Folate 400 mcg
Carlson
5 ingredients · Vitamin
On Market
Methyl-Plex B
NuMedica
11 ingredients · Other Combinations
On Market
Multi for Men
MegaFood
30 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Multi for Men 40+
MegaFood
30 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Multi for Men 55+
MegaFood
30 ingredients · Botanical with Nutrients
On Market
Multi for Women 40+
MegaFood
31 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Multi for Women 55+
MegaFood
30 ingredients · Botanical with Nutrients
On Market
Multivitamin for Daily Energy
MegaFood
40 ingredients · Botanical with Nutrients
On Market
Multivitamin for Daily Immune Support
MegaFood
40 ingredients · Botanical with Nutrients
On Market
Natural Prenatal Vitamin
Dr. Berg
36 ingredients · Other Combinations
On Market
Postnatal Plus
Mama's Select
17 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
TheraNatal Complete Pink Tablet
Theralogix Nutritional Science
34 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Women Over 55 One Daily
MegaFood
32 ingredients · Botanical with Nutrients
On Market
Women Over 55 One Daily
MegaFood
32 ingredients · Botanical with Nutrients
On Market
Women's 40+ Multivitamin
Innate Response Formulas
26 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Women's Multivitamin
Innate Response Formulas
26 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Active B Complex
EuroMedica
10 ingredients · Multi-Vitamin and Mineral (MVM)
Off Market
ActivEssentials
XYMOGEN
50 ingredients · Other Combinations
Off Market
Advanced Brain
Procera
17 ingredients · Botanical with Nutrients
Off Market
AminoMeal Select Chocolate
Moss Nutrition
55 ingredients · Botanical with Nutrients
Off Market
AminoMeal Select Vanilla
Moss Nutrition
54 ingredients · Botanical with Nutrients
Off Market
Ancient Multi Men's 40+
Ancient Nutrition
36 ingredients · Other Combinations
Off Market
Ancient Multi Men's 40+ Once Daily
Ancient Nutrition
35 ingredients · Other Combinations
Off Market
B-6 B-12 Folic Acid Drop Ins Natural Mixed Berry Flavor
KAL
12 ingredients · Vitamin
Off Market
Baby & Me Multivitamin
Innate Response Formulas
26 ingredients · Multi-Vitamin and Mineral (MVM)
Off Market
Basic B Complex
Thorne
17 ingredients · Vitamin
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 (methyltetrahydrofolate) vs Vitamin C →

Nationwide ingredients with similar DSLD presence

Two peer sets for Vitamin B9 (methyltetrahydrofolate): closest on total DSLD label listings (98 here) and closest on distinct brands that list it (21 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 (methyltetrahydrofolate)

How many supplement products contain Vitamin B9 (methyltetrahydrofolate)?
98 supplement product labels in the NIH DSLD currently lists Vitamin B9 (methyltetrahydrofolate) as an ingredient. By label frequency it ranks #806 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.