vitamin

Folate supplements

Half of the 7,022 folate supplements in the NIH label database that print an amount list 400 mcg or less per serving; the middle half list 200 mcg to 400 mcg (DSLD version 9.4.0, January 2026). The 123 products whose only supplement ingredient is folate list a median of 800 mcg.

How much folate do supplements contain?

The median product lists 400 mcg per serving. One in ten lists 100 mcg or less, one in ten 800 mcg or more. The amount printed most often is 400 mcg (2,828 products).

Which forms of folate do labels name?

Methylfolate (5-MTHF) is the form named most often: 2,069 of the 12,112 folate products (17%), ahead of folic acid (2,018, 17%) and folinic acid (159, 1%). A product naming two forms counts in both; the table below gives every form.

• Methylfolate (5-MTHF)
• Folic acid
• Folinic acid

Which products list the most folate?

On-market products, per serving, with a plausible amount: the rule leaves out likely entry slips, such as an amount far beyond every other label with no %DV or strength on the label to back it (each product page still shows its own amount, marked).

• L-5-MTHF 25,500 mcg DFESeeking Health25,500 mcg
• Folic Acid 20 mgBio-Tech Pharmacal20,000 mcg
• L-Methylfolate Calcium 15 mgVirtus Pharmaceuticals15,000 mcg
• 5-MTHF 15 mgMetabolic Maintenance15,000 mcg
• 5-MTHF 15 mgFresh Nutrition15,000 mcg
• L-Methylfolate 15mgWoodstock Vitamins15,000 mcg
• 5-MTHF 10 mgMetabolic Maintenance10,000 mcg
• B-Complex + 10 mg 5-MTHFMetabolic Maintenance10,000 mcg

Have the amounts changed over the years?

Products whose current label entered DSLD in 2011 list a median of 400 mcg; those entered in 2025, 400 mcg.

In which products and brands?

Brands listing it most: Nature's Plus (197), Douglas Laboratories (180), Cellucor (73), Vitamin World (67), Country Life (67), Thorne Research (61), Nature's Way (60), Bronson (55), Sundown Naturals (54), Dymatize Nutrition (50).

Every product listing folate

12,112 products, A to Z by name (page 2 of 243), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.

• 4 in 1 Weight Loss FormulaAcupuncture & Herbs480 mcg
• 40+ Every Man IINew Chapter Organics · off the market200 mcg
• 40+ Every Man II MultivitaminNew Chapter Organics · off the market200 mcg
• 40+ Every Man II MultivitaminNew Chapter200 mcg
• 40+ Every Man's Multivitamin One DailyNew Chapteranother unit
• 40+ Every Man's One Daily MultiNew Chapteranother unit
• 40+ Every Man's One Daily Whole-Food MultivitaminNew Chapter · off the marketanother unit
• 40+ Every Woman IINew Chapter Organics · off the market200 mcg
• 40+ Every Woman II MultivitaminNew Chapter200 mcg
• 40+ Every Woman's One Daily MultiNew Chapter200 mcg
• 40+ Every Woman's One Daily Whole Food MultivitaminNew Chapteranother unit
• 40+ Every Women's One Daily MultiNew Chapter200 mcg
• 4Life Transfer Factor Cardio4Life · off the market400 mcg
• 4Life Transfer Factor Plus RiteStart Men4Life400 mcg
• 5-hour Energy BerryLiving Essentials400 mcg
• 5-Hour Energy Decaf CitrusLiving Essentials400 mcg
• 5-hour Energy Extra Strength GrapeLiving Essentials400 mcg
• 5-hour Energy GrapeLiving Essentials400 mcg
• 5-hour Energy OrangeLiving Essentials400 mcg
• 5-hour Energy Pink LemonadeLiving Essentials400 mcg
• 5-hour Energy PomegranateLiving Essentials400 mcg
• 5-HTP ComplexHigher Nature50 mcg
• 5-HTP ComplexOrzax400 mcg
• 5-Methyl Folate 1,000 mcgProtocol For Life Balance1,667 mcg
• 5-Methyl Folate 5,000 mcgProtocol For Life Balanceanother unit
• 5-MthfPriority One Nutritional Supplementsanother unit
• 5-MthfSuperiorLabsanother unit
• 5-MthfXYMOGENanother unit
• 5-MTHF (L-Methylfolate)Metabolic Maintenance5,000 mcg
• 5-Mthf / B12 Mc 2000DaVinci Laboratories of Vermont · off the marketanother unit
• 5-MTHF 1 mgHealth Products Distributors1,000 mcg
• 5-MTHF 1 mgThorne Research · off the market1,000 mcg
• 5-MTHF 1 mgDaVinci Laboratories of Vermont · off the market1,000 mcg
• 5-MTHF 1 mgDaVinci Laboratories1,000 mcg
• 5-MTHF 1 mgKirkmananother unit
• 5-MTHF 1 mgIntelligent Labsanother unit
• 5-MTHF 1 mgThorneanother unit
• 5-MTHF 10 mgMetabolic Maintenance10,000 mcg
• 5-MTHF 15 mgMetabolic Maintenance15,000 mcg
• 5-MTHF 15 mgThorne Research · off the market15,000 mcg
• 5-MTHF 15 mgFresh Nutrition15,000 mcg
• 5-MTHF 15 mgThorne · off the marketanother unit
• 5-MTHF 5 mgThorne Research · off the market5,000 mcg
• 5-MTHF 5 mgVillage Vitality · off the market10,000 mcg as transcribed, likely a slip
• 5-MTHF 5 mgThorneanother unit
• 5-MTHF 5 mgKirkmananother unit
• 5-MTHF 5 mgIntelligent Labsanother unit
• 5-MTHF 667 mg DFEKirkmananother unit
• 5-MTHF 667 mg DFE with B12Kirkmananother unit
• 5-MTHF 7.5 mgFresh Nutrition7,500 mcg

Where next?

• Check an amount of folate
• Labels above the upper limit
• All ingredients