A form of folate

Folic acid supplements

2,018 folate products in the NIH label database list folate as folic acid (17% of the 12,112 folate products); their median is 400 mcg of folate per serving, against 400 mcg across all folate products (DSLD version 9.4.0, January 2026).

How does folic acid 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
2,0181,404 on the market
Median folate per serving
400 mcgall folate products: 400 mcg
Share of folate products
17%2,018 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 B1291% 30 mcg36 mcg
Vitamin B687% 5 mg6 mg
Niacin76% 20 mg20 mg
Vitamin C72% 100 mg100 mg
Thiamin70% 5 mg5 mg
Pantothenic Acid (Vitamin B5)69% 13 mg12 mg
Riboflavin69% 5 mg4 mg
Biotin64% 150 mcg200 mcg
Zinc62% 10 mg11 mg
Vitamin E61% 30 IU30 IU

Which products are they?

60 of the 2,018 (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?

Nature's Plus (53), Source Naturals (48), Thorne (40), New Chapter (38), Windmill (35), Bronson (35), Natural Factors (32), CytoSport (27), Rainbow Light (24), BSN (23).

Where next?