Folate supplements, compared
8 products we’ve reviewed list folate as a key ingredient. Here’s what it does, what the research uses — and how much each product actually contains.
What it is
A B vitamin needed to make DNA and for healthy cell division — especially important before and during early pregnancy.
What the research uses
Adults need 400 mcg DFE a day (600 mcg DFE during pregnancy). The upper limit for folic acid from supplements and fortified foods is 1,000 mcg a day.
Educational information, not medical advice. Talk to a healthcare professional before starting a supplement, especially if you are pregnant, nursing or take medication.
Every product, dose by dose
| Product | Folate per serving | Form | Score |
|---|---|---|---|
 USP Verified | 665 mcg DFE (400 mcg folic acid)Folate (as folic acid) | Tablet | 8.5 |
 NSF Certified for SportNSF Contents Certified | 667 mcg DFE (400 mcg)Folate (as L-5-methyltetrahydrofolate) | Capsule | 8.2 |
 | 667 mcg DFE (400 mcg folic acid)Folate (as folic acid) | Tablet | 8.0 |
 USP VerifiedNon-GMO Project VerifiedClean Label Project | 1,000 mcg DFEFolate (as 6S-5-methyltetrahydrofolate, glucosamine salt) | Capsule | 7.5 |
 NSF Certified for Sport | 680 mcg DFE / 400 mcg / 5 mgMethylated B vitamins (folate as 5-MTHF, B12 as methylcobalamin, B6 as P5P) | Powder | 7.3 |
 NSF Contents Certified | 400 mcg DFE (240 mcg folic acid) | Gummy | 7.3 |
 Third-party testedcGMP facility | 400 mcg DFEFolate (as L-5-methyltetrahydrofolate) | Gummy | 6.8 |
 Clean Label Project | 510 mcg DFEFolate (as calcium L-5-methyltetrahydrofolate) | Liquid | 6.5 |
Amounts are per serving as printed on each label. “Not disclosed” usually means the ingredient sits inside a proprietary blend.
Questions people ask
How much folate do studies use?
Adults need 400 mcg DFE a day (600 mcg DFE during pregnancy). The upper limit for folic acid from supplements and fortified foods is 1,000 mcg a day.
Which folate supplement scores highest?
In our reviews, Nature Made Multi for Him scores highest at 8.5/10, followed by Thorne Basic Nutrients 2/Day (8.2) and Centrum Adults Multivitamin (8.0). Scores weigh efficacy, quality, value, experience and transparency — not just the dose.
How much folate is in these products?
It varies by product and serving size — for example Nature Made Multi for Him (665 mcg DFE (400 mcg folic acid)), Thorne Basic Nutrients 2/Day (667 mcg DFE (400 mcg)), Centrum Adults Multivitamin (667 mcg DFE (400 mcg folic acid)). The table above lists the amount per serving for every product we've reviewed.