PlainVitamins

Mega B-150

by Vitamin World · unknown · 100 coated caplets

  • On the market (NIH)
  • UPC 0 74312 73802 9
  • DSLD label 909
  • Serving 1 caplet

Mega B-150 by Vitamin World lists 11 ingredients, 11 with an amount per serving of 1 caplet, such as 150 mg of thiamine, 150 mg of riboflavin, 150 mg of niacin and 100 mg of vitamin B6. Its current label entered the NIH Dietary Supplement Label Database on October 26, 2011.

What is in Mega B-150?

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).

Mega B-150: Supplement Facts rows against the market (DSLD label 909, January 2026 release)
IngredientAmount% DVAmong products listing it
Thiamineas Thiamine Mononitrate, Vitamin B1Thiamin (Form: as Thiamin Mononitrate) (Alt. Name: Vitamin B-1)150 mg10,000%Thiamin in Mega B-150 against 9,830 products150 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg150 mg

Higher than 99% of 9,830 products listing thiamin (median 5 mg).

Riboflavin150 mg8,824%Riboflavin in Mega B-150 against 9,824 products150 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg150 mg

Higher than over 99% of 9,824 products listing riboflavin (median 4 mg).

Niacinas NiacinamideNiacin (Form: as Niacinamide)150 mg750%Niacin in Mega B-150 against 12,413 products150 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg150 mg

Higher than 94% of 12,413 products listing niacin (median 20 mg). 4.3 times the adult UL a day.

Vitamin B6as Pyridoxine HydrochlorideVitamin B-6 (Form: as Pyridoxine Hydrochloride)100 mg5,000%Vitamin B6 in Mega B-150 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).

Folic Acid400 mg100%

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

Vitamin B12as CyanocobalaminVitamin B-12 (Form: as Cyanocobalamin)150 mcg2,500%Vitamin B12 in Mega B-150 against 14,425 products150 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg150 mcg

Higher than 72% of 14,425 products listing vitamin B12 (median 36 mcg).

Biotinas D-BiotinBiotin (Form: as D-Biotin)150 mcg50%Biotin in Mega B-150 against 9,447 products150 mcg per serving; the middle half of products list 50 mcg to 300 mcg, the median 200 mcg.DV 30 mcg150 mcg

51% of 9,447 products listing biotin give more (median 200 mcg).

Pantothenic Acidas D-Calcium PantothenatePantothenic Acid (Form: as D-Calcium Pantothenate)150 mcg1,500%

This amount is far outside what other labels list for pantothenic acid (vitamin B5), or disagrees with the label's own %DV: possibly a unit or transcription slip in the database. Check the label image on DSLD.

Choline Bitartrate150 mg27%*Choline in Mega B-150 against 4,738 products150 mg per serving; the middle half of products list 18 mg to 100 mg, the median 40 mg.DV 550 mgUL 3,500 mg150 mg

Higher than 83% of 4,738 products listing choline (median 40 mg).

Paba150 mgPABA in Mega B-150 against 1,610 products150 mg per serving; the middle half of products list 10 mg to 50 mg, the median 25 mg.150 mg

Higher than 95% of 1,610 products listing PABA (median 25 mg).

Inositol150 mgInositol in Mega B-150 against 4,042 products150 mg per serving; the middle half of products list 10 mg to 80 mg, the median 30 mg.150 mg

Higher than 87% of 4,042 products listing inositol (median 30 mg).

Proprietary Blendas Alfalfa, Parsley, Rice Bran7.5 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 909 (entered October 26, 2011), 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 150 mg of thiamin is higher than 99% of the 9,830 thiamin products that print an amount; 78 list more.
  • Its 150 mg of riboflavin is higher than over 99% of the 9,824 riboflavin products that print an amount; 71 list more.
  • At 1 serving a day, the most its directions give, the label lists 150 mg of niacin, 4.3 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.
  • Its 150 mg of paba (filed by NIH under PABA) is higher than 95% of the 1,610 PABA products that print an amount; 56 list more.

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: For adults, take one (1) caplet daily,preferably with a meal.
Warnings
WARNING: If you are pregnant, nursing or taking any medications, consult your doctor before use. Discontinue use and consult your doctor if any adverse reactions occur. Keep out of reach of children. Store in a cool, dry place. Do not use if seal under cap is broken or missing.
Allergens and what it does not contain
No Artificial Color or Flavor, No Preservatives, No Sugar, No Starch, No Milk, No Lactose, No Gluten, No Wheat, No Yeast, No Fish. Sodium Free.

Source: label statements in DSLD label 909.

What else is on the label?

Other ingredients: Vegetable Cellulose, Dicalcium Phosphate, Mannitol, Calcium Silicate, Vegetable Magnesium Stearate, Vegetable Cellulose Coating.

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

How many labels does Mega B-150 have?

One label is on file, entered on October 26, 2011.

  1. Label 909 (current) Entered October 26, 2011 · on the market · 100 coated caplets · UPC 0 74312 73802 9

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

Who makes it?

The label names Vitamin World, Inc. (manufacturer), Ronkonoma, NY, U.S.A.. All Vitamin World products.

Where next?