PlainVitamins

B-Complex

by Advanced Nutrition by Zahler · tablet or pill · 60 timed release tablets

  • On the market (NIH)
  • UPC 8 48998 08215 4
  • DSLD label 259968
  • Serving 1 tablet
  • 60 servings

B-Complex by Advanced Nutrition by Zahler lists 10 ingredients, 10 with an amount per serving of 1 tablet, such as 2.6 mg of vitamin B2, 32 mg of niacin, 3.4 mg of vitamin B6 and 200 mcg DFE of folate. Its current label entered the NIH Dietary Supplement Label Database on February 23, 2022.

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 259968, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin B2as Riboflavin 5-Phosphate2.6 mg200%Riboflavin in B-Complex against 9,824 products2.6 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg2.6 mg

57% of 9,824 products listing riboflavin give more (median 4 mg).

Niacinas Inositol Hexanicotinate32 mg200%Niacin in B-Complex against 12,413 products32 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg32 mg

Higher than 68% of 12,413 products listing niacin (median 20 mg).

Vitamin B6as Pyridoxal 5-Phosphate3.4 mg200%Vitamin B6 in B-Complex against 15,277 products3.4 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg3.4 mg

62% of 15,277 products listing vitamin B6 give more (median 6 mg).

Folateas (6S)-5-Methyltetrahydrofolic Acid, Glucosamine Salt200 mcg DFE50%
Vitamin B12as Methylcobalamin240 mcg10,000%Vitamin B12 in B-Complex against 14,425 products240 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg240 mcg

Higher than 76% of 14,425 products listing vitamin B12 (median 36 mcg).

Biotin30 mcg100%Biotin in B-Complex against 9,447 products30 mcg per serving; the middle half of products list 50 mcg to 300 mcg, the median 200 mcg.DV 30 mcg30 mcg

83% of 9,447 products listing biotin give more (median 200 mcg).

Cholineas Choline Bitartrate225 mg41%Choline in B-Complex against 4,738 products225 mg per serving; the middle half of products list 18 mg to 100 mg, the median 40 mg.DV 550 mgUL 3,500 mg225 mg

Higher than 89% of 4,738 products listing choline (median 40 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).

Pantethine15 mgPantethine in B-Complex against 94 products15 mg per serving; the middle half of products list 5 mg to 225 mg, the median 50 mg.15 mg

60% of 94 products listing pantethine give more (median 50 mg).

Benfotiamine2.6 mgBenfotiamine in B-Complex against 155 products2.6 mg per serving; the middle half of products list 50 mg to 200 mg, the median 150 mg.2.6 mg

95% of 155 products listing benfotiamine give more (median 150 mg).

Source: NIH ODS Dietary Supplement Label Database, label 259968 (entered February 23, 2022), 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:

  • 83% of the 9,447 products that print an amount of biotin list more than its 30 mcg of biotin (median 200 mcg).
  • 95% of the 155 products that print an amount of benfotiamine list more than its 2.6 mg of benfotiamine (median 150 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?

The products whose ingredient lists overlap most with B-Complex's, rare ingredients counting for more.

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: Take 1 tablet daily with food, or as directed by a healthcare practitioner.
Warnings
Keep out of reach of children.
Do not use if safety seal is damaged or missing.
If pregnant, nursing or on medication, consult with your healthcare practitioner.
Allergens and what it does not contain
Non-GMO Gluten free Dairy free Soy free
Storage
Store tightly closed in a cool, dry place.

Source: label statements in DSLD label 259968.

What else is on the label?

Other ingredients: Hypromellose, Microcrystalline Cellulose, Dicalcium Phosphate, Stearic Acid, Magnesium Stearate, Crospovidone, Beet root powder, Silicon Dioxide.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Dairy Kosher OU (Kosher) This product was manufactured in a GMP certified Facility; Notes: Made in the USA.

How many labels does B-Complex have?

One label is on file, entered on February 23, 2022.

  1. Label 259968 (current) Entered February 23, 2022 · on the market · 60 timed release tablets · UPC 8 48998 08215 4

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 Advanced Nutrition by Zahler products.

Where next?