PlainVitamins

B-Complex 100

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

  • On the market (NIH)
  • UPC 0 48107 17766 9
  • DSLD label 228017
  • Serving 1 caplet

B-Complex 100 by GNC lists 12 ingredients, 12 with an amount per serving of 1 caplet, such as 100 mg of thiamine, 100 mg of riboflavin, 100 mg of niacin and 100 mg of vitamin B6. Its current label entered the NIH Dietary Supplement Label Database on June 24, 2020.

What is in B-Complex 100?

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 100: Supplement Facts rows against the market (DSLD label 228017, January 2026 release)
IngredientAmount% DVAmong products listing it
Thiamineas Thiamine Mononitrate, Vitamin B1Thiamin (Form: as Thiamin Mononitrate) (Alt. Name: Vitamin B-1)100 mg8,333%Thiamin in B-Complex 100 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).

Riboflavinas Vitamin B2100 mg7,692%Riboflavin in B-Complex 100 against 9,824 products100 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg100 mg

Higher than 96% of 9,824 products listing riboflavin (median 4 mg).

Niacinas NiacinamideNiacin (Form: as Niacinamide)100 mg625%Niacin in B-Complex 100 against 12,413 products100 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg100 mg

Higher than 88% of 12,413 products listing niacin (median 20 mg). 2.9 times the adult UL a day.

Vitamin B6as Pyridoxine HydrochlorideVitamin B-6 (Form: as Pyridoxine Hydrochloride)100 mg5,882%Vitamin B6 in B-Complex 100 against 15,277 products100 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg100 mg

Higher than 96% of 15,277 products listing vitamin B6 (median 6 mg).

Folate667 mcg DFE167%
Folic Acid400 mcg
Vitamin B12as CyanocobalaminVitamin B-12 (Form: as Cyanocobalamin)100 mcg4,167%Vitamin B12 in B-Complex 100 against 14,425 products100 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg100 mcg

Higher than 61% of 14,425 products listing vitamin B12 (median 36 mcg).

Biotin100 mcg333%Biotin in B-Complex 100 against 9,447 products100 mcg per serving; the middle half of products list 50 mcg to 300 mcg, the median 200 mcg.DV 30 mcg100 mcg

61% of 9,447 products listing biotin give more (median 200 mcg).

Pantothenic Acidas Calcium D-PantothenatePantothenic Acid (Form: as Calcium D-Pantothenate)100 mg2,000%Pantothenic Acid (Vitamin B5) in B-Complex 100 against 10,060 products100 mg per serving; the middle half of products list 6 mg to 50 mg, the median 12 mg.DV 5 mg100 mg

Higher than 86% of 10,060 products listing pantothenic acid (vitamin B5) (median 12 mg).

Cholineas Choline BitartrateCholine (Form: as Choline Bitartrate)40 mg7%Choline in B-Complex 100 against 4,738 products40 mg per serving; the middle half of products list 18 mg to 100 mg, the median 40 mg.DV 550 mgUL 3,500 mg40 mg

48% of 4,738 products listing choline give more (median 40 mg).

Inositol100 mcgInositol in B-Complex 100 against 4,042 products0.1 mg per serving; the middle half of products list 10 mg to 80 mg, the median 30 mg.0.1 mg

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

Para-Aminobenzoic Acid30 mgPABA in B-Complex 100 against 1,610 products30 mg per serving; the middle half of products list 10 mg to 50 mg, the median 25 mg.30 mg

Higher than 53% of 1,610 products listing PABA (median 25 mg).

Source: NIH ODS Dietary Supplement Label Database, label 228017 (entered June 24, 2020), 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 100 mg of thiamin is higher than 94% of the 9,830 thiamin products that print an amount; 163 list more.
  • Its 100 mg of riboflavin is higher than 96% of the 9,824 riboflavin products that print an amount; 110 list more.
  • At 1 serving a day, the most its directions give, the label lists 100 mg of niacin, 2.9 times the adult Tolerable Upper Intake Level.
  • Its 100 mg of vitamin B6 is higher than 96% of the 15,277 vitamin B6 products that print an amount; 173 list more.
  • 91% of the 4,042 products that print an amount of inositol list more than its 0.1 mg of inositol (median 30 mg).

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.
Warning: Consult your physician prior to using this product if you are pregnant, nursing, taking medication, or have a medical condition.
Discontinue use two weeks prior to surgery. Niacin may cause a temporary flushing reaction. Inform your physician of this product's biotin content before any lab test.
Allergens and what it does not contain
No sugar, no starch, no artificial colors, no artificial flavors, no preservatives, sodium free, no wheat, gluten free, no corn, no dairy. GF Gluten Free
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 228017.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Hydrogenated Vegetable Oil, Dicalcium Phosphate, Croscarmellose Sodium, Silicon Dioxide, Magnesium Stearate, Stearic Acid, Carnauba Wax, Ethylcellulose, Triacetin, Diacetylated Monoglycerides, Polyethylene Glycol, Oleic Acid.

How many labels does B-Complex 100 have?

2 labels are on file under this name since June 24, 2020: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 228017 (current) Entered June 24, 2020 · on the market · 100 vegetarian caplets · UPC 0 48107 17766 9
  2. Label 228010 Entered June 24, 2020 · on the market · 250 vegetarian caplets · UPC 0 48107 17769 0

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?