B1 100 mg
by Nature Made · tablet or pill · 100 tablets
- On the market (NIH)
- UPC 0 31604 01281 6
- DSLD label 287362
- Serving 1 tablet
- 100 servings
B1 100 mg by Nature Made lists 2 ingredients, 2 with an amount per serving of 1 tablet, such as 100 mg of thiamine and 34 mg of calcium. Its current label entered the NIH Dietary Supplement Label Database on January 23, 2023.
What is in B1 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).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Thiamineas Thiamine Mononitrate | 100 mg | 8,333% | Higher than 94% of 9,830 products listing thiamin (median 5 mg). |
| Calciumas Calcium Carbonate | 34 mg | 3% | 83% of 17,831 products listing calcium give more (median 115 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 287362 (entered January 23, 2023), 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 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.
- Vitamin B1 100 mgNature Made same ingredients
- Vitamin B1 100 mgMeijer same ingredients
- B-1 100 mgSource Naturals same ingredients
- Vitamin B-1 100 mgMajor same ingredients
- Vitamin B1 100 mgMason Natural same ingredients
- Vitamin B-1 100 mgRugby same ingredients
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
- Suggested use: Adults, take 1 tablet daily with water and a meal.
- Warnings
- Store tightly closed, in a cool, dry place, out of reach of children.
- Do not use if imprinted seal under cap is broken or missing.
- Caution: If you are taking medication, including anticonvulsants, consult your physician before use.
- Allergens and what it does not contain
- No color added No artificial flavors No preservatives Gluten free
Source: label statements in DSLD label 287362.
What else is on the label?
Other ingredients: Cellulose Gel, Maltodextrin, Croscarmellose Sodium, Magnesium Stearate.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): USP Verified Dietary Supplement. Listed with: USP Verified mark (a seal is the label's claim; the certifier's own list confirms it).
How many labels does B1 100 mg have?
One label is on file, entered on January 23, 2023.
- Label 287362 (current) Entered January 23, 2023 · on the market · 100 tablets · UPC 0 31604 01281 6
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Nature Made Nutritional Products (distributor), West Hills, CA. All Nature Made products.