Best Fully Active Folate

by Doctor's Best · capsule · 90 veggie caps

  • Off the market since May 2016 (NIH)
  • UPC 7 53950 00262 3
  • DSLD label 24482
  • Serving 1 capsule
  • 90 servings

Best Fully Active Folate by Doctor's Best lists 3 ingredients, 3 with an amount per serving of 1 capsule, such as 40 mg of vitamin C and 400 mcg of (6S)-5-methyltetrahydrofolate. Its current label entered the NIH Dietary Supplement Label Database on August 23, 2013.

What is in Best Fully Active Folate?

Each row as the label prints it, per serving of 1 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).

Best Fully Active Folate: Supplement Facts rows against the market (DSLD label 24482, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Ascorbic Acid40 mg67%Vitamin C in Best Fully Active Folate against 18,583 products40 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg40 mg

81% of 18,583 products listing vitamin C give more (median 100 mg).

(6S)-5-Methyltetrahydrofolate(6S)-5-Methyltetrahydrofolate (Alt. Name: MTHF) Note: elemental400 mcg100%Folate in Best Fully Active Folate against 7,022 products400 mcg per serving; the middle half of products list 200 mcg to 400 mcg, the median 400 mcg.400 mcg

24% of 7,022 products listing folate give more (median 400 mcg).

(6S)-5-Methyltetrahydrofolic Acid, Glucosamine Salt(6S)-5-Methyltetrahydrofolic Acid, Glucosamine Salt Note: vegetarian source800 mcg5-methyltetrahydrofolate glucosamine in Best Fully Active Folate against 176 products800 mcg per serving; the middle half of products list 300 mcg to 800 mcg, the median 593 mcg.800 mcg

Higher than 67% of 176 products listing 5-methyltetrahydrofolate glucosamine (median 593 mcg).

Source: NIH ODS Dietary Supplement Label Database, label 24482 (entered August 23, 2013), 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?

1 product lists the very same ingredients; the nearest amounts come first.

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.

Source: label statements in DSLD label 24482.

What else is on the label?

Other ingredients: Modified Cellulose, Cellulose.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Quatrefolic(R); Vegan(TM).

How many labels does Best Fully Active Folate have?

One label is on file, entered on August 23, 2013.

  1. Label 24482 (current) Entered August 23, 2013 · off the market May 2, 2016 · 90 veggie caps · UPC 7 53950 00262 3

DSLD also links this label to: Fully Active Folate 400 mcg (image difference, same product), Fully Active Folate 400 With Quatrefolic 400 mcg (image difference, same product), Fully Active Folate 400 with Quatrefolic 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), San Clemente, CA. All Doctor's Best products.

Where next?