Hair & Nails Formula
by SuperSmart · capsule · 120 vegetarian capsules
- On the market (NIH)
- UPC 5 453003 825142
- DSLD label 332374
- Serving 2 capsules; amounts per 4 capsules
- 30 servings
Hair & Nails Formula by SuperSmart lists 11 ingredients, 11 with an amount per serving of 4 capsules, such as 500 mg of cynatine HNS, 400 mg of methylsulfonylmethane, 120 mg of L-cysteine and 110 mg of vitamin C. Its current label entered the NIH Dietary Supplement Label Database on May 21, 2025.
What is in Hair & Nails Formula?
Each row as the label prints it, per serving of 4 capsules. 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 |
|---|---|---|---|
| Cynatine HNS | 500 mg | 0% of 102 products listing keratin give more (median 500 mg). Per day at the most servings: 1,000 mg. | |
| Methylsulfonylmethane | 400 mg | 51% of 1,454 products listing methylsulfonylmethane give more (median 500 mg). Per day at the most servings: 800 mg. | |
| L-Cysteine | 120 mg | Higher than 64% of 516 products listing cysteine (median 85 mg). Per day at the most servings: 240 mg. | |
| Vitamin C | 110 mg | 138% | Higher than 51% of 18,583 products listing vitamin C (median 100 mg). Per day at the most servings: 220 mg. |
| Bamboo extractas Silicon75% Silicon | 100 mg | Higher than 50% of 134 products listing bamboo (median 92.5 mg). Per day at the most servings: 200 mg. | |
| Inositol | 100 mg | Higher than 76% of 4,042 products listing inositol (median 30 mg). Per day at the most servings: 200 mg. | |
| Choline Bitartrate | 100 mg | 18%* | Higher than 72% of 4,738 products listing choline (median 40 mg). Per day at the most servings: 200 mg. |
| Para-Amino Benzoic Acid | 100 mg | Higher than 86% of 1,610 products listing PABA (median 25 mg). Per day at the most servings: 200 mg. | |
| Taurine | 60 mg | 87% of 2,337 products listing taurine give more (median 500 mg). Per day at the most servings: 120 mg. | |
| Zincas Zinc Gluconate | 15 mg | 150% | Higher than 56% of 13,186 products listing zinc (median 11 mg). Per day at the most servings: 30 mg. |
| Biotin | 5 mg | 10,000% | Higher than 93% of 9,447 products listing biotin (median 200 mcg). Per day at the most servings: 10,000 mcg. |
* % 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 332374 (entered May 21, 2025), 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 5,000 mcg of biotin is higher than 93% of the 9,447 biotin products that print an amount; 311 list more.
The NIH database records 2 servings 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 Hair & Nails Formula's, rare ingredients counting for more.
- Hair, Skin & NailsSwanson Premium Brand · off the market 5 shared, 42% alike
- Supreme Vital Hair with MSMLifeTIME 8 shared, 41% alike
- Luscious LadyRE+GEN Nutrition 7 shared, 41% alike
- Hair, Skin & NailsSwanson 5 shared, 40% alike
- Sustained Release Ultra HairNature's Plus · off the market 7 shared, 38% alike
- Ultra HairNatures Plus · off the market 7 shared, 38% alike
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: Adults. Take two vegetarian capsules twice a day with each main meal.
- Warnings
- Precautions: Do not exceed the recommended daily dose. This product is a nutritional supplement and should not be used to replace a varied, balanced diet or healthy lifestyle.
- Keep out of young children's reach.
- As with all nutritional supplements, you should consult a health professional before taking this product if you are pregnant, breastfeeding or have a health problem.
- Storage
- Store away from direct light, heat and humidity.
Source: label statements in DSLD label 332374.
What else is on the label?
Other ingredients: Acacia Gum, White Rice Flour.
How many labels does Hair & Nails Formula have?
One label is on file, entered on May 21, 2025.
- Label 332374 (current) Entered May 21, 2025 · on the market · 120 vegetarian capsules · UPC 5 453003 825142
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names SN Worldwide Unipessoal, LDA (distributor), Funchal, Portugal. All SuperSmart products.