PlainVitamins

Extra Strength Hair, Skin And Nails

by Nature's Bounty · other (e.g. tea bag) · 150 coated caplets

  • Off the market since January 2012 (NIH)
  • UPC 0 74312 35710 7
  • DSLD label 4337
  • Serving 3 caplets
  • 50 servings

Extra Strength Hair, Skin And Nails by Nature's Bounty lists 27 ingredients, 27 with an amount per serving of 3 caplets, such as 5,000 IU of vitamin A, 120 mg of vitamin C, 100 IU (2.5 mcg) of vitamin D and 15 IU of vitamin E, beside 1 Nutrition Facts row (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on January 25, 2012.

What is in Extra Strength Hair, Skin And Nails?

Each row as the label prints it, per serving of 3 caplets. 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).

Extra Strength Hair, Skin And Nails: Supplement Facts rows against the market (DSLD label 4337, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Aas Vitamin A PalmitateVitamin A (Form: as Vitamin A Palmitate)5,000 IU100%Vitamin A in Extra Strength Hair, Skin And Nails against 5,772 products5,000 IU per serving; the middle half of products list 2,000 IU to 5,000 IU, the median 4,000 IU.5,000 IU

Higher than 55% of 5,772 products listing vitamin A (median 4,000 IU).

Vitamin Cas Ascorbic Acid120 mg200%Vitamin C in Extra Strength Hair, Skin And Nails against 18,583 products120 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg120 mg

Higher than 51% of 18,583 products listing vitamin C (median 100 mg).

Vitamin Das Cholecalciferol, Vitamin D3Vitamin D (Form: as D3 (Alt. Name: Cholecalciferol))100 IU (2.5 mcg)25%Vitamin D in Extra Strength Hair, Skin And Nails against 14,175 products2.5 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg2.5 mcg

92% of 14,175 products listing vitamin D give more (median 15 mcg).

Vitamin Eas D-Alpha-Tocopheryl AcetateVitamin E (Form: as D-Alpha Tocopheryl Acetate)15 IU50%Vitamin E in Extra Strength Hair, Skin And Nails against 6,459 products15 IU per serving; the middle half of products list 15 IU to 100 IU, the median 30 IU.15 IU

75% of 6,459 products listing vitamin E give more (median 30 IU).

Thiamineas Thiamine MononitrateThiamin (Form: as Thiamin Mononitrate)5 mg333%Thiamin in Extra Strength Hair, Skin And Nails against 9,830 products5 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg5 mg

46% of 9,830 products listing thiamin give more (median 5 mg).

Riboflavin5 mg294%Riboflavin in Extra Strength Hair, Skin And Nails against 9,824 products5 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg5 mg

Higher than 51% of 9,824 products listing riboflavin (median 4 mg).

Niacinas NiacinamideNiacin (Form: as Niacinamide)25 mg125%Niacin in Extra Strength Hair, Skin And Nails against 12,413 products25 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg25 mg

Higher than 56% of 12,413 products listing niacin (median 20 mg).

Vitamin B6as Pyridoxine HydrochlorideVitamin B-6 (Form: as Pyridoxine Hydrochloride)5 mg250%Vitamin B6 in Extra Strength Hair, Skin And Nails against 15,277 products5 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg5 mg

51% of 15,277 products listing vitamin B6 give more (median 6 mg).

Folic Acid200 mcg50%Folate in Extra Strength Hair, Skin And Nails against 7,022 products200 mcg per serving; the middle half of products list 200 mcg to 400 mcg, the median 400 mcg.200 mcg

71% of 7,022 products listing folate give more (median 400 mcg).

Vitamin B128 mcg133%Vitamin B12 in Extra Strength Hair, Skin And Nails against 14,425 products8 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg8 mcg

71% of 14,425 products listing vitamin B12 give more (median 36 mcg).

Biotinas D-BiotinBiotin (Form: as D-Biotin) Note: 5 mg5,000 mcg1,667%Biotin in Extra Strength 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).

Pantothenic Acidas D-Calcium PantothenatePantothenic Acid (Form: as D-Calcium Pantothenate)15 mg150%Pantothenic Acid (Vitamin B5) in Extra Strength Hair, Skin And Nails against 10,060 products15 mg per serving; the middle half of products list 6 mg to 50 mg, the median 12 mg.DV 5 mg15 mg

Higher than 51% of 10,060 products listing pantothenic acid (vitamin B5) (median 12 mg).

Calciumas Calcium Carbonate, Dicalcium PhosphateCalcium (Form: as Calcium Carbonate, and dicalcium phosphate)711 mg71%Calcium in Extra Strength Hair, Skin And Nails against 17,831 products711 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg711 mg

Higher than 94% of 17,831 products listing calcium (median 115 mg).

Ironas Ferrous GluconateIron (Form: as Ferrous Gluconate)3 mg17%Iron in Extra Strength Hair, Skin And Nails against 6,910 products3 mg per serving; the middle half of products list 1.2 mg to 18 mg, the median 5 mg.DV 18 mgUL 45 mg3 mg

60% of 6,910 products listing iron give more (median 5 mg).

Phosphorusas Dicalcium PhosphatePhosphorus (Form: as Dicalcium Phosphate)180 mg18%Phosphorus in Extra Strength Hair, Skin And Nails against 3,786 products180 mg per serving; the middle half of products list 45 mg to 200 mg, the median 90 mg.DV 1,250 mgUL 4,000 mg180 mg

Higher than 72% of 3,786 products listing phosphorus (median 90 mg).

Magnesiumas Magnesium OxideMagnesium (Form: as Magnesium Oxide)100 mg25%Magnesium in Extra Strength Hair, Skin And Nails against 14,003 products100 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg100 mg

Higher than 51% of 14,003 products listing magnesium (median 86 mg).

Zincas Zinc GluconateZinc (Form: as Zinc Gluconate)7.5 mg50%Zinc in Extra Strength Hair, Skin And Nails against 13,186 products7.5 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg7.5 mg

63% of 13,186 products listing zinc give more (median 11 mg).

Seleniumas Selenium YeastSelenium (Form: as Selenium Yeast)12.5 mcg18%Selenium in Extra Strength Hair, Skin And Nails against 7,658 products12.5 mcg per serving; the middle half of products list 27 mcg to 100 mcg, the median 55 mcg.DV 55 mcgUL 400 mcg12.5 mcg

93% of 7,658 products listing selenium give more (median 55 mcg).

Manganeseas Manganese GluconateManganese (Form: as Manganese Gluconate)5 mg250%Manganese in Extra Strength Hair, Skin And Nails against 7,016 products5 mg per serving; the middle half of products list 1 mg to 3.92 mg, the median 2 mg.DV 2.3 mgUL 11 mg5 mg

Higher than 80% of 7,016 products listing manganese (median 2 mg).

Sodium5 mg1%Sodium in Extra Strength Hair, Skin And Nails against 14,514 products5 mg per serving; the middle half of products list 15 mg to 142 mg, the median 55 mg.5 mg

89% of 14,514 products listing sodium give more (median 55 mg).

Paba25 mgPABA in Extra Strength Hair, Skin And Nails against 1,610 products25 mg per serving; the middle half of products list 10 mg to 50 mg, the median 25 mg.25 mg

47% of 1,610 products listing PABA give more (median 25 mg).

Choline Bitartrate75 mg14%*Choline in Extra Strength Hair, Skin And Nails against 4,738 products75 mg per serving; the middle half of products list 18 mg to 100 mg, the median 40 mg.DV 550 mgUL 3,500 mg75 mg

Higher than 69% of 4,738 products listing choline (median 40 mg).

Inositol30 mgInositol in Extra Strength Hair, Skin And Nails against 4,042 products30 mg per serving; the middle half of products list 10 mg to 80 mg, the median 30 mg.30 mg

48% of 4,042 products listing inositol give more (median 30 mg).

Ribonucleic Acid30 mgRNA in Extra Strength Hair, Skin And Nails against 159 products30 mg per serving; the middle half of products list 5 mg to 47.5 mg, the median 20 mg.30 mg

Higher than 62% of 159 products listing RNA (median 20 mg).

Citrus Bioflavonoid/Rutin Complex37.5 mgFlavonoid in Extra Strength Hair, Skin And Nails against 2,343 products37.5 mg per serving; the middle half of products list 25 mg to 100 mg, the median 50 mg.37.5 mg

61% of 2,343 products listing flavonoid give more (median 50 mg).

Horsetail3 mgHorsetail in Extra Strength Hair, Skin And Nails against 519 products3 mg per serving; the middle half of products list 20 mg to 200 mg, the median 67 mg.3 mg

88% of 519 products listing horsetail give more (median 67 mg).

hydrolyzed Collagen50 mgCollagen in Extra Strength Hair, Skin And Nails against 1,008 products0.05 g per serving; the middle half of products list 0.1 g to 4.2 g, the median 1 g.0.05 g

80% of 1,008 products listing collagen give more (median 1 g).

Alpha Lipoic Acid10 mgAlpha Lipoic Acid in Extra Strength Hair, Skin And Nails against 2,407 products10 mg per serving; the middle half of products list 25 mg to 150 mg, the median 50 mg.10 mg

84% of 2,407 products listing alpha lipoic acid give more (median 50 mg).

* % 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 4337 (entered January 25, 2012), 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:

  • 92% of the 14,175 products that print an amount of vitamin D list more than its 2.5 mcg (100 IU) of vitamin D (median 15 mcg (600 IU)).
  • Its 5,000 mcg of biotin is higher than 93% of the 9,447 biotin products that print an amount; 311 list more.
  • Its 711 mg of calcium is higher than 94% of the 17,831 calcium products that print an amount; 1,055 list more.
  • 93% of the 7,658 products that print an amount of selenium list more than its 12.5 mcg of selenium (median 55 mcg).
  • 88% of the 519 products that print an amount of horsetail list more than its 3 mg of horsetail (median 67 mg).
  • 84% of the 2,407 products that print an amount of alpha lipoic acid list more than its 10 mg of alpha lipoic acid (median 50 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 Extra Strength 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
DIRECTIONS: For adults, take three (3) caplets daily, preferably with meals.
Warnings
WARNING: If you are pregnant, nursing, taking any medications or planning any medical procedure, consult your doctor before use.
Avoid this product if you are allergic to yeast.
Discontinue use and consult your doctor if any adverse reactions occur.
Do not use if seal under cap is broken or missing.
Not intended for use by persons under the age of 18.
WARNING: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under six. KEEP THIS PRODUCT OUT OF REACH OF CHILDREN. In case of accidental overdose, call a doctor or Poison Control Center immediately.
Allergens and what it does not contain
No Artificial Color or Flavor, No Preservatives, No Sugar, No Milk, No Lactose, No Gluten, No Wheat, No Fish.
Storage
Store at room temperature.

Source: label statements in DSLD label 4337.

What else is on the label?

Other ingredients: Vegetable Cellulose, Contains Less Than 2% of.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): LABORATORY TESTED GUARANTEED QUALITY; NATURE'S BOUNTY(R).

How many labels does Extra Strength Hair, Skin And Nails have?

One label is on file, entered on January 25, 2012.

  1. Label 4337 (current) Entered January 25, 2012 · off the market January 1, 2012 · 150 coated caplets · UPC 0 74312 35710 7

DSLD also links this label to: Extra Strength Hair, Skin & Nails (image difference, same product), Extra Strength Hair, Skin & Nails (package size difference, same product), Extra Strength Hair, Skin & Nails (image difference, same product), Extra Strength Hair, Skin & Nails (package size difference, same product), Extra Strength Hair, Skin & Nails (image difference, same product), Extra Strength Hair, Skin & Nails (package size difference, same product), Extra Strength Hair, Skin & Nails (image difference, same product), Extra Strength Hair, Skin & Nails (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 Nature's Bounty, Inc. (distributor), Bohemia, NY. All Nature's Bounty products.

Where next?