Biotin For Hair & Nails Extra Strength
by Natrol · tablet or pill · 250 tablets
- On the market (NIH)
- DSLD label 26958
- Serving 1 tablet
Biotin For Hair & Nails Extra Strength by Natrol lists 2 ingredients, 2 with an amount per serving of 1 tablet, such as 5,000 mcg of biotin and 66 mg of calcium. Its current label entered the NIH Dietary Supplement Label Database on November 25, 2013.
What is in Biotin For Hair & Nails Extra Strength?
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 |
|---|---|---|---|
| Biotin | 5,000 mcg | 1,667% | Higher than 93% of 9,447 products listing biotin (median 200 mcg). |
| Calciumas Dibasic Calcium PhosphateCalcium (Form: from Dibasic Calcium Phosphate) | 66 mg | 7% | 66% of 17,831 products listing calcium give more (median 115 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 26958 (entered November 25, 2013), 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 5,000 mcg of biotin is higher than 93% of the 9,447 biotin products that print an amount; 311 list more.
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.
- Biotin 5000 mcgExchange Select same ingredients
- Biotin 5,000 mcg Extra StrengthNatrol same ingredients
- Biotin 5000 mcgWalgreens same ingredients
- Hi-Potency Biotin 5000 mcg21st Century · off the market same ingredients
- Super Potency Biotin 5000 mcg21st Century · off the market same ingredients
- Biotin 5000 mcg21st Century 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.
How many labels does Biotin For Hair & Nails Extra Strength have?
One label is on file, entered on November 25, 2013.
- Label 26958 (current) Entered November 25, 2013 · on the market · 250 tablets
DSLD also links this label to: Biotin 5000 mcg Natural Strawberry Flavor (image difference, same product), Biotin 5000 mcg Natural Strawberry Flavor (package size difference, same product), Biotin 5000 mcg Fast Dissolve Strawberry Flavor (package size difference, same product), Biotin 5,000 mcg Extra Strength (package size difference, same product), Biotin 5,000 mcg Extra Strength Strawberry (package size difference, same product), Biotin 5,000 mcg Fast Dissolve Strawberry (image difference, same product), Biotin 5,000 mcg Fast Dissolve Strawberry (package size difference, same product), Biotin 5,000 mcg Fast Dissolve Strawberry Natural Flavor (package size difference, same product).
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Natrol (manufacturer). All Natrol products.