Best Vitamin B9 (folate) products by transparent scoring (2026)
Single-ingredient products scored by public rules: dose fit, label transparency, data verification, company transparency, third-party testing. Not a measure of efficacy or safety. No paid placement.
Products ranked: 80 · Reference range: 400 – 1,000 mcg (source) · Updated 2026-11-01
Reference range: from 100% of the US Daily Value to the upper reference value.
Single-ingredient products only.
Left out of this list: daily dose above 10,000 mcg (10× UL), treated as a likely label error (3)
Dose fit 40 · Label transparency 20 · Data verification 15 · Company transparency 15 · Third-party test 10 (No data (not scored); the other four parts are rescaled from 90 to 100) — Methodology · Vitamin B9 (folate) →
| Rank | Product | Per day | Score | Breakdown | ||||||||||||||||
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| 1 | Methyl Folate Bulletproof · US NIH DSLD |
800 mcg | 100.0 | Breakdown
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| 2 | Folate 5-Methyltetrahydrofolic Acid 800 mcg Swanson · US NIH DSLD |
800 mcg | 97.8 | Breakdown
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| 3 tie |
Active Folate 1000 Genestra Brands · US NIH DSLD |
1,000 mcg | 94.4 | Breakdown
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| 3 tie |
Fully Active Folate 800 mcg Doctor's Best · US NIH DSLD |
800 mcg | 94.4 | Breakdown
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| 3 tie |
Methyl Folate 400 mcg Jarrow Formulas · US NIH DSLD |
400 mcg | 94.4 | Breakdown
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| 3 tie |
Methyl Folate 400 mcg Carlson · US NIH DSLD |
400 mcg | 94.4 | Breakdown
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| 7 tie |
Folapro Metagenics Inc. · Health Canada LNHPD |
800 mcg | 93.3 | Breakdown
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| 7 tie |
Folic Acid GFR Pharma Ltd. · Health Canada LNHPD |
1,000 mcg | 93.3 | Breakdown
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| 7 tie |
Folic Acid 1mg Tablets International Vitamin Corporation · Health Canada LNHPD |
1,000 mcg | 93.3 | Breakdown
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| 7 tie |
Folic Acid Tab 1 mg Vita Health Products Inc. · Health Canada LNHPD |
1,000 mcg | 93.3 | Breakdown
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| 7 tie |
GNC Folic Acid 800 mcg GNC · Malaysia NPRA |
910 mcg | 93.3 | Breakdown
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| 7 tie |
L-5-MTHF Designs for Health · Health Canada LNHPD |
1,000 mcg | 93.3 | Breakdown
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| 13 tie |
Folacal Thorne Research · US NIH DSLD |
800 mcg | 92.2 | Breakdown
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| 13 tie |
Folate 1000 mcg (As Metafolin) Solgar · US NIH DSLD |
1,000 mcg | 92.2 | Breakdown
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| 13 tie |
Folate 400 mcg (As Metafolin) Solgar · US NIH DSLD |
800 mcg | 92.2 | Breakdown
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| 13 tie |
Folate 400 mcg DFE Orange Flavor Country Life · US NIH DSLD |
400 mcg | 92.2 | Breakdown
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| 13 tie |
Folate 800 mcg (As Metafolin) Solgar · US NIH DSLD |
800 mcg | 92.2 | Breakdown
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| 13 tie |
Folate 800 mcg Orange Flavor Country Life · US NIH DSLD |
800 mcg | 92.2 | Breakdown
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| 19 tie |
5-MTHF Thorne Research, Inc. · Health Canada LNHPD |
1,000 mcg | 87.8 | Breakdown
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| 19 tie |
FOLIC ACID Pure Encapsulations · Health Canada LNHPD |
800 mcg | 87.8 | Breakdown
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| 21 tie |
Active Folate Seeking Health · US NIH DSLD |
800 mcg | 83.3 | Breakdown
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| 21 tie |
Active Folate Liquid Alcohol Free Brainchild Nutritionals · US NIH DSLD |
1,000 mcg | 83.3 | Breakdown
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| 21 tie |
Active Folate Methylfolate Physician's Preference · US NIH DSLD |
1,000 mcg | 83.3 | Breakdown
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| 21 tie |
Methyl Folate NuMedica · US NIH DSLD |
800 mcg | 83.3 | Breakdown
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| 21 tie |
Methyl Folate Progressive Professional from Progressive Laboratories · US NIH DSLD |
800 mcg | 83.3 | Breakdown
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| 21 tie |
Methyl Folate 1,000 mcg Nutricost · US NIH DSLD |
1,000 mcg | 83.3 | Breakdown
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| 21 tie |
Methyl Folate 1,000 mcg PureFormulas · US NIH DSLD |
1,000 mcg | 83.3 | Breakdown
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| 21 tie |
Methyl Folate 800 mcg KAL · US NIH DSLD |
800 mcg | 83.3 | Breakdown
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| 29 tie |
Folate 1000 mcg PhysioLogics · US NIH DSLD |
1,000 mcg | 81.1 | Breakdown
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| 29 tie |
Folate 1000 mcg tnvitamins · US NIH DSLD |
1,000 mcg | 81.1 | Breakdown
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| 29 tie |
Folate 800 mcg As Metafolin PhysioLogics · US NIH DSLD |
800 mcg | 81.1 | Breakdown
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| 29 tie |
Methyl Folate 1,000 mcg NOW · US NIH DSLD |
1,000 mcg | 81.1 | Breakdown
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| 29 tie |
Optimized Folate Life Extension · US NIH DSLD |
1,000 mcg | 81.1 | Breakdown
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| 29 tie |
Optimized Folate 1000 mcg Life Extension · US NIH DSLD |
1,000 mcg | 81.1 | Breakdown
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| 29 tie |
Q-Folate Patient One 1 MediNutritionals · US NIH DSLD |
800 mcg | 81.1 | Breakdown
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| 36 tie |
APPETON ESSENTIALS FOLIC ACID TABLET Appeton · Malaysia NPRA |
400 mcg | 76.7 | Breakdown
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| 36 tie |
Acide Folique 400 mcg Vitaminol Inc. · Health Canada LNHPD |
400 mcg | 76.7 | Breakdown
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| 36 tie |
Bio Activ Folic Acid 400mcg Tablet BIO TREE PHARMACEUTICAL (INT`L) SDN. BHD. · Malaysia NPRA |
400 mcg | 76.7 | Breakdown
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| 36 tie |
Biotective FOLIC ACID 400mcg Tablet BIO-SCIENCE MARKETING SDN. BHD. · Malaysia NPRA |
400 mcg | 76.7 | Breakdown
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| 36 tie |
FOVIT CAPSULES Pharmaline Inc. · Health Canada LNHPD |
800 mcg | 76.7 | Breakdown
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| 36 tie |
Folate 400 Folic Acid Tablets 400 mcg Jaapharm Canada Inc. · Health Canada LNHPD |
400 mcg | 76.7 | Breakdown
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| 36 tie |
Folate 500 Folic Acid Tablets 500 mcg Jaapharm Canada Inc. · Health Canada LNHPD |
500 mcg | 76.7 | Breakdown
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| 36 tie |
Folic Acid Natural Factors Nutritional Products Limited · Health Canada LNHPD |
1,000 mcg | 76.7 | Breakdown
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| 36 tie |
Folic Acid WN Pharmaceuticals Ltd · Health Canada LNHPD |
1,000 mcg | 76.7 | Breakdown
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| 36 tie |
Folic Acid Holista Health (Canada) Inc. · Health Canada LNHPD |
1,000 mcg | 76.7 | Breakdown
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| 36 tie |
Folic Acid Nutricorp International · Health Canada LNHPD |
1,000 mcg | 76.7 | Breakdown
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| 36 tie |
Folic Acid Jamieson Laboratories Ltd./ Nutricorp International · Health Canada LNHPD |
400 mcg | 76.7 | Breakdown
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| 36 tie |
Folic Acid 1 mg Accurex Health Care Manufacturing Inc. · Health Canada LNHPD |
1,000 mcg | 76.7 | Breakdown
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| 36 tie |
Folic Acid 400mcg Nutricorp International · Health Canada LNHPD |
400 mcg | 76.7 | Breakdown
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| 36 tie |
Folic Acid 800 mcg Vitaminol Inc. · Health Canada LNHPD |
800 mcg | 76.7 | Breakdown
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80 products were scored; the top 50 are listed here. See the rest in the product list.
For information only; not medical advice. Talk to a doctor or pharmacist before starting or stopping any supplement.