Fully Active Folate 400 with Quatrefolic, 400 mcg, 90 Veggie Caps
Scored by the Formulate Research Team · Last reviewed July 2026
Score Breakdown
Three factors carry this score; three more are checked separately and can only take points away. Hover or tap to see what drove each one.
Ingredients per Serving
| Ingredient | Amount |
|---|---|
| Vitamin C289 systematic reviews · 808 randomised trials | 40 mg |
| Folate249 systematic reviews · 697 randomised trials | 400 mcg DFE |
Certifications & Testing
Other Ingredients
Microcrystalline Cellulose, Modified Cellulose
Recommended Use
Suggested Adult Use: Take 1 capsule daily preferably between meals, or as recommended by a nutritionally-informed physician.
Frequently Asked Questions
What is Doctor's Best Fully Active Folate 400 with Quatrefolic, 400 mcg, 90 Veggie Caps's Formulate score?
Doctor's Best Fully Active Folate 400 with Quatrefolic, 400 mcg, 90 Veggie Caps scores 78 out of 100 (grade B+) on Formulate's ingredient-level rubric: clinical evidence, dose accuracy and bioavailability carry the score, while manufacturing, transparency and safety are checked separately and can only deduct.
Is Doctor's Best Fully Active Folate 400 with Quatrefolic, 400 mcg, 90 Veggie Caps worth it?
Doctor's Best Fully Active Folate 400 with Quatrefolic, 400 mcg, 90 Veggie Caps scores 78/100 (grade B+). That's an above-average result — most of its doses and ingredient forms are well-chosen, with only minor gaps in dosing, transparency, or testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in Doctor's Best Fully Active Folate 400 with Quatrefolic, 400 mcg, 90 Veggie Caps?
Each serving contains Vitamin C (40 mg), Folate (400 mcg DFE). Serving size: 1 Veggie Capsule(s). 90 servings per container.
How do I take fully active folate 400 with quatrefolic, 400 mcg, 90 veggie caps?
Suggested Adult Use: Take 1 capsule daily preferably between meals, or as recommended by a nutritionally-informed physician.
Who makes Fully Active Folate 400 with Quatrefolic, 400 mcg, 90 Veggie Caps?
Fully Active Folate 400 with Quatrefolic, 400 mcg, 90 Veggie Caps is made by Doctor's Best. See Formulate's full grade and product lineup for Doctor's Best on its brand page.
Is Doctor's Best Fully Active Folate 400 with Quatrefolic, 400 mcg, 90 Veggie Caps third-party tested?
Doctor's Best lists the following certifications and testing for this product: Non-GMO, Gluten-Free, Vegan, Vegetarian.
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Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.