Hair, Skin and Nails

by Dr. Mercola · capsule · 30 capsules

  • On the market (NIH)
  • UPC 8 10487 03294 0
  • DSLD label 327170
  • Serving 1 capsule
  • 30 servings

Hair, Skin and Nails by Dr. Mercola lists 3 ingredients, 3 with an amount per serving of 1 capsule, such as 5,000 mcg of biotin, 500 mg of keratin and 20 mg of hyaluronic acid. Its current label entered the NIH Dietary Supplement Label Database on March 25, 2025.

What is in Hair, Skin and Nails?

Each row as the label prints it, per serving of 1 capsule. 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).

Hair, Skin and Nails: Supplement Facts rows against the market (DSLD label 327170, January 2026 release)
IngredientAmount% DVAmong products listing it
Biotin5,000 mcg16,667%Biotin in Hair, Skin and Nails against 9,447 products5,000 mcg per serving; the middle half of products list 50 mcg to 300 mcg, the median 200 mcg.DV 30 mcg5,000 mcg

Higher than 93% of 9,447 products listing biotin (median 200 mcg).

Keratin500 mgKeratin in Hair, Skin and Nails against 102 products500 mg per serving; the middle half of products list 77.5 mg to 500 mg, the median 500 mg.500 mg

0% of 102 products listing keratin give more (median 500 mg).

Hyaluronic Acidas Sodium Hyaluronatelow density hyaluronic acid20 mgHyaluronic acid in Hair, Skin and Nails against 900 products20 mg per serving; the middle half of products list 10 mg to 100 mg, the median 50 mg.20 mg

64% of 900 products listing hyaluronic acid give more (median 50 mg).

Source: NIH ODS Dietary Supplement Label Database, label 327170 (entered March 25, 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 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?

The products whose ingredient lists overlap most with Hair, Skin and Nails's, rare ingredients counting for more.

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, as a dietary supplement, take one (1) capsule daily with a meal.
Warnings
Keep out of reach of children.
Do not use if safety seal is broken.
If you are nursing, pregnant, taking medication or have a medical condition, consult your physician before taking this product.

Source: label statements in DSLD label 327170.

What else is on the label?

Other ingredients: Hydroxypropyl Methylcellulose, Rice hull, Rice Extract, Gum Acacia, Sunflower Oil.

How many labels does Hair, Skin and Nails have?

2 labels are on file under this name since August 23, 2020: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 327170 (current) Entered March 25, 2025 · on the market · 30 capsules · UPC 8 10487 03294 0
  2. Label 231607 Entered August 23, 2020 · off the market May 21, 2024 · 30 capsules · UPC 8 10487 03294 0

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

Who makes it?

The label names NHP (distributor), Cape Coral, FL. All Dr. Mercola products.

Where next?