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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)

Extra Strength L-Methyl Folate 15 mg
Nature's Truth
6 ingredients · Vitamin
On Market
FITFood Lean Complete French Vanilla Sugar- & Stevia-Free
XYMOGEN
46 ingredients · Other Combinations
On Market
Folate 5,000 Plus
Pure Encapsulations
7 ingredients · Vitamin
On Market
Folic Acid 800 mcg
NaturesPlus
11 ingredients · Vitamin
On Market
Fully Active B Complex with Quatrefolic
Doctor's Best
16 ingredients · Vitamin
On Market
GCEL Intracellular Glutathione
Systemic Formulas Bio Challenge
18 ingredients · Other Combinations
On Market
Gemini Keto ACV
Justified Laboratories
23 ingredients · Botanical with Nutrients
On Market
GlycoTrol Complete
Lidtke
18 ingredients · Botanical with Nutrients
On Market
Hair Growth & Volume.
Gt
5 ingredients · Vitamin
On Market
Hair Growth + Volume.
Gt
5 ingredients · Vitamin
On Market
Hema-Plex Capsules
NaturesPlus
41 ingredients · Other Combinations
On Market
Hema-Plex Chewables Delicious Mixed Berry Flavored
NaturesPlus
38 ingredients · Other Combinations
On Market
Hema-Plex Mini-Tabs
NaturesPlus
39 ingredients · Other Combinations
On Market
Hema-Plex Tablets
NaturesPlus
42 ingredients · Other Combinations
On Market
Hema-Plex Tablets
NaturesPlus
42 ingredients · Other Combinations
On Market
Iron Blood Maker 9 in 1 Iron Advanced Complex
KAPPA NUTRITION
13 ingredients · Other Combinations
On Market
Klean Gummy Multivitamin Natural Raspberry-Lemonade Flavor
Klean Athlete
49 ingredients · Botanical with Nutrients
On Market
L-Methylfolate 1mg
Woodstock Vitamins
6 ingredients · Vitamin
On Market
L-Methylfolate Calcium 15 mg
Virtus Pharmaceuticals
8 ingredients · Vitamin
On Market
L-Methylfolate Calcium 7.5 mg
Virtus Pharmaceuticals
12 ingredients · Vitamin
On Market
Life Guard Mini Tabsules
Perque
44 ingredients · Other Combinations
On Market
Life Guard Mini Tabsules
Perque
44 ingredients · Other Combinations
On Market
Liposomal Ovarian Inositol+ Mixed Berry Flavor
Codeage
11 ingredients · Other Combinations
On Market
Magnesium Plus Orange-Vanilla Flavor
Pure Essence Ionic-Fizz
22 ingredients · Botanical with Nutrients
On Market
Masters Formula Women 50+
SmartyPants
44 ingredients · Other Combinations
On Market
MediClear Orange Vanilla Flavored
Thorne
58 ingredients · Other Combinations
On Market
MediClear-SGS Chocolate Flavored
Thorne
63 ingredients · Other Combinations
On Market
MediClear-SGS Vanilla Flavored
Thorne
58 ingredients · Other Combinations
On Market
Mega Men Sport Multivitamin
GNC AMP Advanced Muscle Performance
64 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+ Advanced Multivitamin
MegaFood
37 ingredients · Botanical with Nutrients
On Market
Men's 40+ Multivitamin
Innate Response Formulas
26 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Men's Advanced Multivitamin
MegaFood
35 ingredients · Botanical with Nutrients
On Market
Men's Fermented Multivitamin
Codeage
55 ingredients · Other Combinations
On Market
Meta-28 Protein
Metabolic Maintenance
46 ingredients · Botanical with Nutrients
On Market
Metabolic Co-Factor
Allergy Research Group
25 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Metabolic Co-Factor
NutriCology
25 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Methyl B12 + Folate
PureFormulas
12 ingredients · Vitamin
On Market
Methyl B12 Plus
Douglas Laboratories
12 ingredients · Vitamin
On Market
Methyl Folat 7500 mcg
Best Naturals
6 ingredients · Vitamin
On Market
Methyl Folate
Douglas Laboratories
8 ingredients · Vitamin
On Market
Methyl Folate 400 mcg 5-MTHF
Natural Nutra
7 ingredients · Vitamin
On Market
Methyl Folate 400 mcg 5-MTHF
Woodstock Vitamins
7 ingredients · Vitamin
On Market
Methyl Folate 5 mg
Douglas Laboratories
4 ingredients · Vitamin
On Market
Methyl Folate 5,000 mcg
NOW
5 ingredients · Vitamin
On Market
Methyl Folate Daily Organic Spray
NB Pure Pure Vegan
4 ingredients · Vitamin
On Market
Methyl-Balance
Priority One Nutritional Supplements
10 ingredients · Vitamin
On Market
Methylfolate 1,333 mcg DFE (800 mcg (6S)-5-Methyltetrahydrofolate) Orange Flavor
Country Life
10 ingredients · Vitamin
On 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.