PlainVitamins

B-Complex

by GNC Select · tablet or pill · 360 tablets

  • On the market (NIH)
  • UPC 0 48107 24924 3
  • DSLD label 328813
  • Serving 1 tablet
  • 360 servings

B-Complex by GNC Select lists 7 ingredients, 7 with an amount per serving of 1 tablet, such as 3 mg of thiamine, 3 mg of riboflavin, 20 mg of niacin and 2 mg of vitamin B6. Its current label entered the NIH Dietary Supplement Label Database on May 21, 2025.

What is in B-Complex?

Each row as the label prints it, per serving of 1 tablet. 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: Supplement Facts rows against the market (DSLD label 328813, January 2026 release)
IngredientAmount% DVAmong products listing it
Thiamineas Thiamine Mononitrate, Vitamin B13 mg250%Thiamin in B-Complex against 9,830 products3 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg3 mg

53% of 9,830 products listing thiamin give more (median 5 mg).

Riboflavinas Vitamin B23 mg231%Riboflavin in B-Complex against 9,824 products3 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg3 mg

54% of 9,824 products listing riboflavin give more (median 4 mg).

Niacinas Niacinamide20 mg125%Niacin in B-Complex against 12,413 products20 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg20 mg

46% of 12,413 products listing niacin give more (median 20 mg).

Vitamin B6as Pyridoxine Hydrochloride2 mg118%Vitamin B6 in B-Complex against 15,277 products2 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg2 mg

69% of 15,277 products listing vitamin B6 give more (median 6 mg).

Vitamin B12as Cyanocobalamin6 mg250%

This amount is far outside what other labels list for vitamin B12, or disagrees with the label's own %DV: possibly a unit or transcription slip in the database. Check the label image on DSLD.

Pantothenic Acidas Calcium D-Pantothenate10 mg200%Pantothenic Acid (Vitamin B5) in B-Complex against 10,060 products10 mg per serving; the middle half of products list 6 mg to 50 mg, the median 12 mg.DV 5 mg10 mg

52% of 10,060 products listing pantothenic acid (vitamin B5) give more (median 12 mg).

Calcium134 mg10%Calcium in B-Complex against 17,831 products134 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg134 mg

Higher than 56% of 17,831 products listing calcium (median 115 mg).

Source: NIH ODS Dietary Supplement Label Database, label 328813 (entered May 21, 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?

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
Directions: As a dietary supplement, take one tablet 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.
Allergens and what it does not contain
Preservative free No artificial flavors
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 328813.

What else is on the label?

Other ingredients: Dicalcium Phosphate, Microcrystalline Cellulose, Stearic Acid, Croscarmellose Sodium, Hydroxypropyl Methylcellulose, Magnesium Stearate, Polyethylene Glycol, Triethyl Citrate, Acetoglycerides, Polysorbate 80, Titanium Dioxide, Blue #1 Lake, Red #40, Red #40 Lake, Yellow #6 Lake, Carnauba Wax.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): GNC Quality since 1935.

How many labels does B-Complex have?

One label is on file, entered on May 21, 2025.

  1. Label 328813 (current) Entered May 21, 2025 · on the market · 360 tablets · UPC 0 48107 24924 3

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

Who makes it?

The label names GNC Holdings, LLC (distributor), Pittsburgh, PA. All GNC Select products.

Where next?