PlainVitamins

B-Plex

by Karuna · capsule · 120 capsules

  • On the market (NIH)
  • UPC 0 18647 01202 7
  • DSLD label 327080
  • Serving 2 capsules
  • 60 servings

B-Plex by Karuna lists 11 ingredients, 11 with an amount per serving of 2 capsules, such as 100 mg of vitamin B1, 50 mg of vitamin B2, 40 mg of vitamin B3 and 160 mg of vitamin B6. Its current label entered the NIH Dietary Supplement Label Database on February 23, 2025.

What is in B-Plex?

Each row as the label prints it, per serving of 2 capsules. 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).

B-Plex: Supplement Facts rows against the market (DSLD label 327080, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin B1as Thiamine100 mg8,333%Thiamin in B-Plex against 9,830 products100 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg100 mg

Higher than 94% of 9,830 products listing thiamin (median 5 mg).

Vitamin B2as Riboflavin50 mg3,846%Riboflavin in B-Plex against 9,824 products50 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg50 mg

Higher than 86% of 9,824 products listing riboflavin (median 4 mg).

Vitamin B3as Niacinamide40 mg250%Niacin in B-Plex against 12,413 products40 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg40 mg

Higher than 71% of 12,413 products listing niacin (median 20 mg). 1.1 times the adult UL a day.

Vitamin B6as Pyridoxal 5-Phosphate, Pyridoxine Hydrochloride160 mg9,411%Vitamin B6 in B-Plex against 15,277 products160 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg160 mg

Higher than over 99% of 15,277 products listing vitamin B6 (median 6 mg). 1.6 times the adult UL a day.

Folate1,360 mcg DFE200%
Vitamin B12as Cyanocobalamin250 mcg10,417%Vitamin B12 in B-Plex against 14,425 products250 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg250 mcg

Higher than 77% of 14,425 products listing vitamin B12 (median 36 mcg).

Biotinas D-Biotin250 mcg833%Biotin in B-Plex against 9,447 products250 mcg per serving; the middle half of products list 50 mcg to 300 mcg, the median 200 mcg.DV 30 mcg250 mcg

Higher than 52% of 9,447 products listing biotin (median 200 mcg).

Vitamin B5as D-Calcium Pantothenate200 mg4,000%Pantothenic Acid (Vitamin B5) in B-Plex against 10,060 products200 mg per serving; the middle half of products list 6 mg to 50 mg, the median 12 mg.DV 5 mg200 mg

Higher than 95% of 10,060 products listing pantothenic acid (vitamin B5) (median 12 mg).

Cholineas Choline Bitartrate50 mg9%Choline in B-Plex against 4,738 products50 mg per serving; the middle half of products list 18 mg to 100 mg, the median 40 mg.DV 550 mgUL 3,500 mg50 mg

Higher than 54% of 4,738 products listing choline (median 40 mg).

Para-Aminobenzoic Acid50 mgPABA in B-Plex against 1,610 products50 mg per serving; the middle half of products list 10 mg to 50 mg, the median 25 mg.50 mg

Higher than 62% of 1,610 products listing PABA (median 25 mg).

Inositol50 mgInositol in B-Plex against 4,042 products50 mg per serving; the middle half of products list 10 mg to 80 mg, the median 30 mg.50 mg

Higher than 55% of 4,042 products listing inositol (median 30 mg).

Source: NIH ODS Dietary Supplement Label Database, label 327080 (entered February 23, 2025), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • Its 100 mg of vitamin B1 (filed by NIH under thiamin) is higher than 94% of the 9,830 thiamin products that print an amount; 163 list more.
  • At 1 serving a day, the most its directions give, the label lists 40 mg of niacin, 1.1 times the adult Tolerable Upper Intake Level.
  • At 1 serving a day, the most its directions give, the label lists 160 mg of vitamin B6, 1.6 times the adult Tolerable Upper Intake Level.
  • Its 200 mg of pantothenic acid (vitamin B5) is higher than 95% of the 10,060 pantothenic acid (vitamin B5) products that print an amount; 406 list more.

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?

6 products list 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 use for adults: Two capsules taken daily with meals, or as directed by your health care practitioner.
Allergens and what it does not contain
This product contains no yeast, wheat, soy, corn, milk, sugar, artificial coloring, preservatives or flavoring.
Storage
Keep in a cool, dry place tightly capped.

Source: label statements in DSLD label 327080.

What else is on the label?

Other ingredients: Hypromellose, Water, Cellulose, Magnesium Stearate.

How many labels does B-Plex have?

3 labels are on file under this name since August 23, 2013: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 327080 (current) Entered February 23, 2025 · on the market · 120 capsules · UPC 0 18647 01202 7
  2. Label 35825 Entered July 25, 2014 · off the market September 28, 2023 · 120 tablets · UPC 0 18647 01202 7
  3. Label 23867 Entered August 23, 2013 · off the market July 9, 2014 · 120 tablets · UPC 0 18647 01202 7

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Karuna Corporation (manufacturer), Novato, CA. All Karuna products.

Where next?