BioStacks
Doctor's Best
Fully Active Folate 400 with Quatrefolic 400 mcg
1 Capsule · 90 servings · $0.14/serving
Ingredients (2)
Folate
100%Dose
400 mcg DFE
Target
400–800 mcg
Form
Premium
Vitamin C
16%Dose
40 mg
Target
250–2000 mg
Form
Budget
Other Ingredients (2)
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
How to Take It
Take it anytime
Water-soluble — timing is flexible. Consistency matters more than the clock.
With or without food
On the label
Take 1 capsule daily, preferably between meals. Store in a cool dry place.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$12.72
Near the median of 138 vitamin B9 supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).
This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.
The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.