PlainVitamins

B Complex

by Zahler · capsule · 90 capsules

  • Off the market since September 2023 (NIH)
  • UPC 7 79663 11032 5
  • DSLD label 33235
  • Serving 1 capsule
  • 90 servings

B Complex by Zahler lists 11 ingredients, 11 with an amount per serving of 1 capsule, such as 100 mg of vitamin B1, 100 mg of vitamin B2, 100 mg of vitamin B3 and 100 mg of vitamin B6. Its current label entered the NIH Dietary Supplement Label Database on May 23, 2014.

What is in B Complex?

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).

B Complex: Supplement Facts rows against the market (DSLD label 33235, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin B1as Thiamine HydrochlorideVitamin B1 (Form: as Thiamine HCl)100 mg6,667%Thiamin in B Complex 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 Riboflavin100 mg5,882%Riboflavin in B Complex 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).

Vitamin B3as NiacinamideVitamin B3 (Form: as Niacinamide)100 mg500%Niacin in B Complex 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 B6 (Form: as Pyridoxine HCl)100 mg5,000%Vitamin B6 in B Complex 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).

Folateas Folic Acid100 mcg25%Folate in B Complex against 7,022 products100 mcg per serving; the middle half of products list 200 mcg to 400 mcg, the median 400 mcg.100 mcg

86% of 7,022 products listing folate give more (median 400 mcg).

Vitamin B12as MethylcobalaminVitamin B12 (Form: as Methylcobalamin)100 mcg1,667%Vitamin B12 in B Complex 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 mcg33%Biotin in B Complex 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 PantothenatePantothenic Acid (Form: as Calcium Pantothenate)100 mg1,000%Pantothenic Acid (Vitamin B5) in B Complex 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).

Inositol100 mgInositol in B Complex against 4,042 products100 mg per serving; the middle half of products list 10 mg to 80 mg, the median 30 mg.100 mg

Higher than 76% of 4,042 products listing inositol (median 30 mg).

Choline42 mg8%*Choline in B Complex against 4,738 products42 mg per serving; the middle half of products list 18 mg to 100 mg, the median 40 mg.DV 550 mgUL 3,500 mg42 mg

Higher than 52% of 4,738 products listing choline (median 40 mg).

Paba30 mgPABA in B Complex 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).

* % 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 33235 (entered May 23, 2014), 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 vitamin B1 (filed by NIH under thiamin) is higher than 94% of the 9,830 thiamin products that print an amount; 163 list more.
  • Its 100 mg of vitamin B2 (filed by NIH under 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.
  • 86% of the 7,022 products that print an amount of folate list more than its 100 mcg of folate (median 400 mcg).

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: 1 capsule 1 time daily with food or as directed.
Warnings
KEEP OUT OF REACH OF CHILDREN.
Storage
STORE TIGHTLY IN A COOL, DRY PLACE.

Source: label statements in DSLD label 33235.

What else is on the label?

Other ingredients: Magnesium Stearate, Rice Flour.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): THIS PRODUCT WAS MANUFACTURED IN A NSF(R) & GMP CERTIFIED FACILITY; advanced nutrition by ZAHLER(R); TRIPLE CERTIFIED FORMULA; D; GENERAL HEALTH {capsule}. Listed with: NSF certified (contents or GMP) (a seal is the label's claim; the certifier's own list confirms it).

How many labels does B Complex have?

One label is on file, entered on May 23, 2014.

  1. Label 33235 (current) Entered May 23, 2014 · off the market September 26, 2023 · 90 capsules · UPC 7 79663 11032 5

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

Who makes it?

The label names Advanced Nutrition by Zahler (distributor), Brooklyn, NY. All Zahler products.

Where next?