A form of folate

Methylfolate (5-MTHF) supplements

2,069 folate products in the NIH label database list folate as methylfolate (5-MTHF) (17% of the 12,112 folate products); their median is 400 mcg of folate per serving, against 400 mcg across all folate products; the 35 whose only supplement ingredient is folate list a median of 1,000 mcg (DSLD version 9.4.0, January 2026).

How does methylfolate (5-MTHF) compare with the other forms?

The median amount of folate per serving in products naming each form; the count in brackets. The amount is the folate the label gives, as printed.

Median folate per serving by form

Folate by formMethylfolate (5-MTHF)400 mcg (2,069)Folic acid400 mcg (2,018)Folinic acid400 mcg (159)
Folate by formMethylfolate (5-MTHF)400 mcg (2,069)Folic acid400 mcg (2,018)Folinic acid400 mcg (159)
Folate by formMethylfolate (5-MTHF)400 mcg (2,069)Folic acid400 mcg (2,018)Folinic acid400 mcg (159)
Folate by formMethylfolate (5-MTHF)400 mcg (2,069)Folic acid400 mcg (2,018)Folinic acid400 mcg (159)
Folate by formMethylfolate (5-MTHF)400 mcg (2,069)Folic acid400 mcg (2,018)Folinic acid400 mcg (159)

Source: Supplement Facts rows and their forms, NIH ODS Dietary Supplement Label Database version 9.4.0, current labels.

Products
2,0691,537 on the market
Median folate per serving
400 mcgall folate products: 400 mcg
Share of folate products
17%2,069 of 12,112

What else do these products contain?

Ingredients most often listed alongside it, with the median amount in these products and in all products
IngredientShare of these productsMedian hereMedian, all products
Vitamin B1289% 100 mcg36 mcg
Vitamin B685% 10 mg6 mg
Riboflavin74% 7.5 mg4 mg
Niacin73% 25 mg20 mg
Thiamin73% 10 mg5 mg
Pantothenic Acid (Vitamin B5)71% 25 mg12 mg
Vitamin C70% 150 mg100 mg
Biotin69% 250 mcg200 mcg
Zinc65% 12 mg11 mg
Vitamin D63% 25 mcg15 mcg

Which products are they?

60 of the 2,069 (on-market products first, the newest label first), ordered by the amount of folate per serving, largest first; an amount that looks like a slip or a compound's weight comes last, marked.

Source: NIH ODS Dietary Supplement Label Database version 9.4.0; the form each label names for its row. Daily Values: the FDA's Daily Value page.

Which brands make them?

Douglas Laboratories (64), Nature's Plus (64), Thorne Research (58), Pure Encapsulations (55), Metagenics (52), NaturesPlus (51), XYMOGEN (47), Thorne (45), ProCaps Laboratories (43), SmartyPants (39).

Where next?