B-100 Complex

by Natrol · tablet or pill · 100 tablets

  • On the market (NIH)
  • UPC 0 47469 00237 4
  • DSLD label 203119
  • Serving 1 tablet
  • 100 servings

B-100 Complex by Natrol lists 19 ingredients, 13 with an amount per serving of 1 tablet, such as 100 mg of thiamine, 100 mg of riboflavin, 100 mg of niacin and 100 mg of vitamin B6; 6 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on May 28, 2019.

What is in B-100 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-100 Complex: Supplement Facts rows against the market (DSLD label 203119, January 2026 release)
IngredientAmount% DVAmong products listing it
Thiamineas Thiamine Hydrochloride, Vitamin B1Thiamin (Form: as Thiamin Hydrochloride) (Alt. Name: Vitamin B-1)100 mg8,330%Thiamin in B-100 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).

Riboflavinas Vitamin B2100 mg7,690%Riboflavin in B-100 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).

Niacinas NiacinamideNiacin (Form: as Niacinamide)100 mg630%Niacin in B-100 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 B-6 (Form: as Pyridoxine Hydrochloride)100 mg5,880%Vitamin B6 in B-100 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).

Folate667 mcg DFE170%
Folic Acid400 mcg
Vitamin B12as Cyanocobalamin100 mcg4,170%Vitamin B12 in B-100 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 mcg330%Biotin in B-100 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 D-Calcium PantothenatePantothenic Acid (Form: as D-Calcium Pantothenate)100 mg2,000%Pantothenic Acid (Vitamin B5) in B-100 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).

Calciumas Calcium CarbonateCalcium (Form: from Calcium Carbonate)17 mg1%Calcium in B-100 Complex against 17,831 products17 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg17 mg

94% of 17,831 products listing calcium give more (median 115 mg).

Cholineas Choline BitartrateCholine (Form: as Choline Bitartrate)100 mg20%Choline in B-100 Complex against 4,738 products100 mg per serving; the middle half of products list 18 mg to 100 mg, the median 40 mg.DV 550 mgUL 3,500 mg100 mg

Higher than 72% of 4,738 products listing choline (median 40 mg).

UltraGreen Blend150 mg
Parsleyin the blend, no amount given
Alfalfain the blend, no amount given
Spirulinain the blend, no amount given
Spinachin the blend, no amount given
Peppermintin the blend, no amount given
Spearmintin the blend, no amount given
Inositol100 mgInositol in B-100 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).

Para-Aminobenzoic Acid100 mgPABA in B-100 Complex against 1,610 products100 mg per serving; the middle half of products list 10 mg to 50 mg, the median 25 mg.100 mg

Higher than 86% of 1,610 products listing PABA (median 25 mg).

Source: NIH ODS Dietary Supplement Label Database, label 203119 (entered May 28, 2019), 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.
  • 94% of the 17,831 products that print an amount of calcium list more than its 17 mg of calcium (median 115 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-100 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, one time daily, with a meal.
Warnings
Contains: Wheat
Warning: Consult your healthcare professional prior to use if you have or suspect a medical condition, are taking prescription drugs, or are pregnant or lactating.
Keep out of reach of children.
Allergens and what it does not contain
No: Milk, Egg, Fish, Crustacean Shellfish, Tree Nuts, Peanuts, Soybeans, Yeast, Artificial Flavors, Added Sugar or Preservatives
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 203119.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Stearic Acid, Silicon Dioxide, Cellulose Gum, Dicalcium Phosphate, Maltodextrin, Methylcellulose, Magnesium Stearate, Hypromellose, Caramel color, Gum Arabic, Glycerin.

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

How many labels does B-100 Complex have?

2 labels are on file under this name since January 25, 2016: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 203119 (current) Entered May 28, 2019 · on the market · 100 tablets · UPC 0 47469 00237 4
  2. Label 55168 Entered January 25, 2016 · off the market November 2, 2018 · 100 tablets · UPC 0 47469 00237 4

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

Who makes it?

The label names Natrol LLC (manufacturer), Chatsworth, CA. All Natrol products.

Where next?