PlainVitamins

B-Complex Big 150

by GNC · other (e.g. tea bag) · 100 vegetarian caplets

  • Off the market since December 2022 (NIH)
  • UPC 0 48107 12259 1
  • DSLD label 74483
  • Serving 1 caplet

B-Complex Big 150 by GNC lists 11 ingredients, 11 with an amount per serving of 1 caplet, such as 150 mg of thiamine, 150 mg of riboflavin, 150 mg of niacin and 150 mg of vitamin B6. Its current label entered the NIH Dietary Supplement Label Database on May 24, 2017.

What is in B-Complex Big 150?

Each row as the label prints it, per serving of 1 caplet. 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-Complex Big 150: Supplement Facts rows against the market (DSLD label 74483, January 2026 release)
IngredientAmount% DVAmong products listing it
Thiamineas Thiamine Mononitrate, Vitamin B1Thiamin (Form: as Thiamin Mononitrate) (Alt. Name: Vitamin B-1)150 mg10,000%Thiamin in B-Complex Big 150 against 9,830 products150 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg150 mg

Higher than 99% of 9,830 products listing thiamin (median 5 mg).

Riboflavinas Vitamin B2150 mg8,824%Riboflavin in B-Complex Big 150 against 9,824 products150 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg150 mg

Higher than over 99% of 9,824 products listing riboflavin (median 4 mg).

Niacinas NiacinamideNiacin (Form: as Niacinamide)150 mg750%Niacin in B-Complex Big 150 against 12,413 products150 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg150 mg

Higher than 94% of 12,413 products listing niacin (median 20 mg). 4.3 times the adult UL a day.

Vitamin B6as Pyridoxine HydrochlorideVitamin B-6 (Form: as Pyridoxine Hydrochloride)150 mg7,500%Vitamin B6 in B-Complex Big 150 against 15,277 products150 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg150 mg

Higher than over 99% of 15,277 products listing vitamin B6 (median 6 mg). 1.5 times the adult UL a day.

Folic Acid400 mcg100%Folate in B-Complex Big 150 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).

Vitamin B12as CyanocobalaminVitamin B-12 (Form: as Cyanocobalamin)150 mcg2,500%Vitamin B12 in B-Complex Big 150 against 14,425 products150 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg150 mcg

Higher than 72% of 14,425 products listing vitamin B12 (median 36 mcg).

Biotin150 mcg50%Biotin in B-Complex Big 150 against 9,447 products150 mcg per serving; the middle half of products list 50 mcg to 300 mcg, the median 200 mcg.DV 30 mcg150 mcg

51% of 9,447 products listing biotin give more (median 200 mcg).

Pantothenic Acidas Calcium D-PantothenatePantothenic Acid (Form: as Calcium D-Pantothenate)150 mg1,500%Pantothenic Acid (Vitamin B5) in B-Complex Big 150 against 10,060 products150 mg per serving; the middle half of products list 6 mg to 50 mg, the median 12 mg.DV 5 mg150 mg

Higher than 93% of 10,060 products listing pantothenic acid (vitamin B5) (median 12 mg).

Choline Bitartrate150 mg27%*Choline in B-Complex Big 150 against 4,738 products150 mg per serving; the middle half of products list 18 mg to 100 mg, the median 40 mg.DV 550 mgUL 3,500 mg150 mg

Higher than 83% of 4,738 products listing choline (median 40 mg).

Para-Aminobenzoic Acid150 mgPABA in B-Complex Big 150 against 1,610 products150 mg per serving; the middle half of products list 10 mg to 50 mg, the median 25 mg.150 mg

Higher than 95% of 1,610 products listing PABA (median 25 mg).

Inositol150 mcgInositol in B-Complex Big 150 against 4,042 products0.15 mg per serving; the middle half of products list 10 mg to 80 mg, the median 30 mg.0.15 mg

91% of 4,042 products listing inositol give more (median 30 mg).

* % Daily Value computed from the printed amount and the FDA Daily Value (21 CFR 101.9); the label prints none for that row.

Source: NIH ODS Dietary Supplement Label Database, label 74483 (entered May 24, 2017), 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?

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 150 mg of thiamin is higher than 99% of the 9,830 thiamin products that print an amount; 78 list more.
  • Its 150 mg of riboflavin is higher than over 99% of the 9,824 riboflavin products that print an amount; 71 list more.
  • At 1 serving a day, the most its directions give, the label lists 150 mg of niacin, 4.3 times the adult Tolerable Upper Intake Level.
  • At 1 serving a day, the most its directions give, the label lists 150 mg of vitamin B6, 1.5 times the adult Tolerable Upper Intake Level.
  • Its 150 mg of pantothenic acid (vitamin B5) is higher than 93% of the 10,060 pantothenic acid (vitamin B5) products that print an amount; 557 list more.
  • Its 150 mg of para-aminobenzoic acid (filed by NIH under PABA) is higher than 95% of the 1,610 PABA products that print an amount; 56 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
Directions: As a dietary supplement, take one caplet daily.
Warnings
Keep out of reach of children.
Allergens and what it does not contain
No sugar, no artificial colors, no artificial flavors, no preservatives, no wheat, gluten free, no corn, no soy, no dairy, yeast free.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 74483.

What else is on the label?

Other ingredients: Cellulose, whole Brown Rice powder.

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

How many labels does B-Complex Big 150 have?

2 labels are on file under this name since November 25, 2013: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 74483 (current) Entered May 24, 2017 · off the market December 13, 2022 · 100 vegetarian caplets · UPC 0 48107 12259 1
  2. Label 27272 Entered November 25, 2013 · off the market May 11, 2017 · 100 vegetarian caplets · UPC 0 48107 12259 1

DSLD also links this label to: B-Complex 150 Timed-Release (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 General Nutrition Corporation (distributor), Pittsburgh, PA. All GNC products.

Where next?