Fully Active Folate 400 with Quatrefolic 400 mcg
by Doctor's Best · capsule · 90 veggie caps
- On the market (NIH)
- UPC 7 53950 00262 3
- DSLD label 203311
- Serving 1 veggie capsule
- 90 servings
Fully Active Folate 400 with Quatrefolic 400 mcg by Doctor's Best lists 2 ingredients, 2 with an amount per serving of 1 veggie capsule, such as 40 mg of vitamin C and 400 mcg DFE of folate. Its current label entered the NIH Dietary Supplement Label Database on August 23, 2019.
What is in Fully Active Folate 400 with Quatrefolic 400 mcg?
Each row as the label prints it, per serving of 1 veggie capsule. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Vitamin Cas Ascorbic Acid | 40 mg | 45% | 81% of 18,583 products listing vitamin C give more (median 100 mg). |
| Folateas (6S)-5-Methyltetrahydrofolic Acid, Glucosamine SaltFolate (Form: from (6S)-5-Methyltetrahydrofolic Acid, Glucosamine Salt) (Alt. Name: Quatrefolic) | 400 mcg DFE | 100% |
Source: NIH ODS Dietary Supplement Label Database, label 203311 (entered August 23, 2019), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.
The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.
The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.
Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.
Which products have the closest formulas?
3 products list the very same ingredients; the nearest amounts come first.
- Methyl Folate 1360 mcg DFELake Avenue Nutrition same ingredients
- Methyl Folate 800 mcgLake Avenue Nutrition same ingredients
- Folic Acid PlusNature's Sunshine same ingredients
Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.
What does the label say about taking it?
Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.
- Directions
- Suggested Adult Use: Take 1 capsule daily preferably between meals, or as recommended by a nutritionally-informed physician.
- Allergens and what it does not contain
- Non-GMO Gluten free
- Storage
- Store in a cool dry place.
Source: label statements in DSLD label 203311.
What else is on the label?
Other ingredients: Microcrystalline Cellulose, Modified Cellulose.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Vegan.
How many labels does Fully Active Folate 400 with Quatrefolic 400 mcg have?
2 labels are on file under this name since December 22, 2017: other sizes, label designs and reformulations. The current one leads this page.
- Label 203311 (current) Entered August 23, 2019 · on the market · 90 veggie caps · UPC 7 53950 00262 3
- Label 82048 Entered December 22, 2017 · off the market December 11, 2018 · 90 veggie caps · UPC 7 53950 00262 3
DSLD also links this label to: Best Fully Active Folate (image difference, same product), Fully Active Folate 400 mcg (image difference, same product).
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Doctor's Best, Inc. (distributor), California. All Doctor's Best products.