PlainVitamins

Longer Stronger Hair & Nails

by Applied Nutrition · softgel capsule · 60 liquid soft-gels

  • On the market (NIH)
  • DSLD label 323147
  • Serving 2 liquid soft-gels
  • 30 servings

Longer Stronger Hair & Nails by Applied Nutrition lists 16 ingredients, 12 with an amount per serving of 2 liquid soft-gels, such as 2,252 mcg of vitamin A, 100 mg of vitamin C, 2,500 mcg of biotin and 20 mg of calcium; 4 sit inside a blend without their own amounts, beside 3 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on February 23, 2025.

What is in Longer Stronger Hair & Nails?

Each row as the label prints it, per serving of 2 liquid soft-gels. 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).

Longer Stronger Hair & Nails: Supplement Facts rows against the market (DSLD label 323147, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories15 Calories
Total Fat1 g1%Fat (unspecified) in Longer Stronger Hair & Nails against 11,965 products1 g per serving; the middle half of products list 1 g to 2.5 g, the median 1.5 g.1 g

56% of 11,965 products listing fat (unspecified) give more (median 1.5 g).

Total Carbohydrates1 g1%Carbohydrate in Longer Stronger Hair & Nails against 21,979 products1 g per serving; the middle half of products list 1 g to 6 g, the median 3 g.1 g

74% of 21,979 products listing carbohydrate give more (median 3 g).

Protein1 gProtein in Longer Stronger Hair & Nails against 8,985 products1 g per serving; the middle half of products list 2 g to 24 g, the median 16 g.1 g

77% of 8,985 products listing protein give more (median 16 g).

Vitamin Aas Vitamin A Palmitate2,252 mcg250%
Vitamin Cas Ascorbic Acid100 mg111%Vitamin C in Longer Stronger Hair & Nails against 18,583 products100 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg100 mg

50% of 18,583 products listing vitamin C give more (median 100 mg).

Biotin2,500 mcg8,333%Biotin in Longer Stronger Hair & Nails against 9,447 products2,500 mcg per serving; the middle half of products list 50 mcg to 300 mcg, the median 200 mcg.DV 30 mcg2,500 mcg

Higher than 89% of 9,447 products listing biotin (median 200 mcg).

Calciumas Calcium Carbonate20 mg2%Calcium in Longer Stronger Hair & Nails against 17,831 products20 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg20 mg

91% of 17,831 products listing calcium give more (median 115 mg).

Zincas Zinc Citrate15 mg136%Zinc in Longer Stronger Hair & Nails against 13,186 products15 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg15 mg

Higher than 56% of 13,186 products listing zinc (median 11 mg).

Copperas Copper Amino Acid Chelate2 mg222%Copper in Longer Stronger Hair & Nails against 6,468 products2 mg per serving; the middle half of products list 0.5 mg to 2 mg, the median 1 mg.DV 0.9 mgUL 10 mg2 mg

Higher than 66% of 6,468 products listing copper (median 1 mg).

Horsetail Herb Extract200 mgHorsetail in Longer Stronger Hair & Nails against 519 products200 mg per serving; the middle half of products list 20 mg to 200 mg, the median 67 mg.200 mg

Higher than 74% of 519 products listing horsetail (median 67 mg).

Silica7%14 mgSilicon in Longer Stronger Hair & Nails against 1,220 products14 mg per serving; the middle half of products list 2 mg to 10.5 mg, the median 4 mg.14 mg

Higher than 78% of 1,220 products listing silicon (median 4 mg).

Gotu Kola herb extract120 mgGotu Kola in Longer Stronger Hair & Nails against 393 products120 mg per serving; the middle half of products list 50 mg to 225 mg, the median 100 mg.120 mg

Higher than 54% of 393 products listing gotu kola (median 100 mg).

Triterpene Glycosides10%12 mgTriterpene (unspecified) in Longer Stronger Hair & Nails against 68 products12 mg per serving; the middle half of products list 1 mg to 5 mg, the median 2 mg.12 mg

Higher than 85% of 68 products listing triterpene (unspecified) (median 2 mg).

Bovine Collagen, Hydrolyzed60 mgCollagen in Longer Stronger Hair & Nails against 1,008 products0.06 g per serving; the middle half of products list 0.1 g to 4.2 g, the median 1 g.0.06 g

79% of 1,008 products listing collagen give more (median 1 g).

Para-Aminobenzoic Acid30 mgPABA in Longer Stronger Hair & Nails against 1,610 products30 mg per serving; the middle half of products list 10 mg to 50 mg, the median 25 mg.30 mg

Higher than 53% of 1,610 products listing PABA (median 25 mg).

Antioxidant Bioflavonoid Complex80 mg
Citrus Bioflavonoids, Powderas Citrus spp.in the blend, no amount given
Acai fruit extract4:1in the blend, no amount given
Cranberry, Powderin the blend, no amount given
Pomegranate Fruit Extract4:1in the blend, no amount given

Source: NIH ODS Dietary Supplement Label Database, label 323147 (entered February 23, 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:

  • 91% of the 17,831 products that print an amount of calcium list more than its 20 mg of calcium (median 115 mg).

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 Longer Stronger Hair & 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
Directions: (Adult) Take two (2) Liquid Soft-Gels daily.
Warnings
Usage Warnings: Do not use if safety seal is broken. Do not exceed recommended daily intake.
Check with your doctor before using this product if you are using medication or have any medical conditions. Do not use if you may become pregnant, are pregnant or nursing.
Not intended for use by persons under 18. Keep out of reach of children.
Contains: Soy
Warning: (State of California Prop 65) This product contains an ingredient known to the State of California to cause birth defects or other reproductive harm.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 323147.

What else is on the label?

Other ingredients: Soybean Oil, Gelatin, Water, Purified, Glycerin, Beeswax, Soy Lecithin, Titanium Dioxide, Silicon Dioxide, Caramel, Red Cabbage.

How many labels does Longer Stronger Hair & Nails have?

4 labels are on file under this name since October 1, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 323147 (current) Entered February 23, 2025 · on the market · 60 liquid soft-gels
  2. Label 83171 Entered February 23, 2018 · off the market August 16, 2016 · 60 liquid softgels · UPC 7 10363 57517 5
  3. Label 64116 Entered September 22, 2016 · off the market October 9, 2023 · 60 liquid soft-gels · UPC 7 10363 57517 5
  4. Label 12890 Entered October 1, 2012 · off the market August 16, 2016 · 60 Liquid Soft-Gel

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

Who makes it?

The label names Applied Nutrition (manufacturer, distributor), Los Angeles, CA. All Applied Nutrition products.

Where next?