PlainVitamins

Vitamin B-1 100 mg

by Major · tablet or pill · 100 tablets

  • On the market (NIH)
  • UPC 3 09040 54460 5
  • DSLD label 276918
  • Serving 1 tablet
  • 100 servings

Vitamin B-1 100 mg by Major lists 2 ingredients, 2 with an amount per serving of 1 tablet, such as 100 mg of vitamin B1 and 35 mg of calcium. Its current label entered the NIH Dietary Supplement Label Database on September 22, 2022.

What is in Vitamin B-1 100 mg?

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).

Vitamin B-1 100 mg: Supplement Facts rows against the market (DSLD label 276918, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin B1as Thiamine Hydrochloride100 mg6,666%Thiamin in Vitamin B-1 100 mg 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).

Calciumas Dicalcium Phosphate35 mg4%Calcium in Vitamin B-1 100 mg against 17,831 products35 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg35 mg

82% of 17,831 products listing calcium give more (median 115 mg).

Source: NIH ODS Dietary Supplement Label Database, label 276918 (entered September 22, 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:

  • 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.

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: One tablet daily as a dietary supplement.
Warnings
Warning: If you are pregnant, nursing, taking any medications or planning any medical procedure, consult your doctor before use.
Discontinue use and consult your doctor if any adverse reactions occur.
Keep out of reach of children.
Tamper Resistant: Do not use if seal under cap is broken or missing.
Allergens and what it does not contain
Free of: Sugar, sodium, starch, wheat, corn, dairy, yeast, soy, egg, fragrance, artificial colors or flavors and preservatives.
Storage
Store at room temperature in a dry place and avoid excessive heat.

Source: label statements in DSLD label 276918.

What else is on the label?

Other ingredients: Colloidal Silica, Croscarmellose Sodium, Magnesium Stearate, Stearic Acid.

How many labels does Vitamin B-1 100 mg have?

2 labels are on file under this name since October 25, 2013: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 276918 (current) Entered September 22, 2022 · on the market · 100 tablets · UPC 3 09040 54460 5
  2. Label 26027 Entered October 25, 2013 · on the market · 1000 tablets · UPC 3 09040 54480 3

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

Who makes it?

The label names Major Pharmaceuticals (distributor), Livonia, MI. All Major products.

Where next?