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Extra Strength Hair Skin & Nails

21st Century
4.6
★ ★ ★ ★ ★
(37616 ratings)
Phosphorus 180 mg
Biotin 5000 mcg
PABA 10 mg
Calcium 372 mg
Collagen 50 mg
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Score88

A budget-friendly, high-dose biotin multivitamin for hair and nail maintenance.

How scoring works
Quantity:90 Tablet(s) • (30 servings)
Goals:
Hair Health
Nail Health
Skin Health

Score 88

A budget-friendly, high-dose biotin multivitamin for hair and nail maintenance.

How scoring works
$9.99($0.33 per serving)
Amazon
$ 9.69
iHerb
$ 9.99
iHerb
$ 9.99
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Analysis

This beauty-focused multivitamin centers on a robust dose of biotin to support the thickness of the nail plate and hair density. It provides foundational B-vitamins and minerals like zinc, which are necessary cofactors for skin cell division and repair. It is a very practical and affordable option for daily aesthetic maintenance.

While it contains collagen and horsetail, these are provided in trace amounts and are not the primary focus of the formula. The tablet format provides a large array of daily nutrients, including calcium and phosphorus, for broad metabolic support. This supplement is best for someone looking for a high-potency biotin multi at an accessible price.

Pros

  • Meaningful clinical-strength biotin dose
  • Covers a broad spectrum of daily vitamins and minerals
  • Very cost-effective daily supplement
  • Includes zinc for foundational tissue repair

Cons

  • Collagen dosage is symbolic and likely ineffective
  • Uses basic mineral forms like magnesium oxide
  • Requires taking three tablets per serving

Warnings

  • Biotin can affect laboratory results; notify your provider
  • Contains ingredients that may cause mild GI upset if taken on an empty stomach

Nutrient quality

81 Highest impact

Biotin is meaningfully dosed for keratin support, but several other vitamins and minerals are provided in basic, less bioavailable forms. The formula is broad but contains structural components like collagen at sub-therapeutic levels.

Ingredient transparency

94 Highest impact

Full transparency is provided for all active ingredients, with specific dosage amounts listed for every vitamin and mineral. No proprietary blends obscure the formula, allowing for a complete understanding of the nutritional content.

Customer satisfaction

92 Highest impact

Exceptional review volume and strong average ratings demonstrate widespread consumer trust and positive experiences. Users frequently report satisfactory results for nail strength and hair growth over time.

Value for money

85 Highest impact

A very competitive price per serving makes this an excellent option for budget-conscious consumers. The nutrient density is high relative to the cost, providing a broad spectrum of supportive cofactors.

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Goals

Impact
Highest effect
A- Goal FitB+ Strength of SupportB+ CoverageA- Formula Quality

This multi-nutrient complex provides essential vitamins and minerals to support the structural health of hair and nails. High-potency Biotin and synergistic minerals contribute to maintaining hair resilience and density.

Key ingredients include Biotin (5000 mcg), Zinc Gluconate, Vitamin D3, and hydrolyzed Gelatin.

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Impact
High effect
B+ Goal FitB- Strength of SupportB CoverageB Formula Quality

Biotin is provided in its bioactive d-Biotin form at a clinical 5,000 mcg dose alongside a broad range of vitamins and minerals. Trace amounts of collagen and horsetail are included, although their quantities are quite small.

This comprehensive multivitamin addresses multiple pathways, including enzymatic function and cellular division. While well-rounded, the extremely low doses of structural building blocks like collagen suggest limited benefit from those specific ingredients.

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Impact
Moderate effect
C+ Goal FitC- Strength of SupportD CoverageC- Formula Quality

This multi-ingredient supplement provides 5,000 mcg of d-biotin and supportive doses of vitamin A and C for general skin maintenance. The formula includes a specialized blend with citrus bioflavonoids to support antioxidant defense pathways.

While designed for beauty, the inclusion of only 50 mg of hydrolyzed collagen is far too low to provide meaningful structural support. It appears most effective as a high-potency biotin supplement with secondary antioxidant cofactors.

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Ingredients

IngredientAmount per serving
Vitamin A (Retinyl Palmitate)
1500 mcg
Vitamin C (Ascorbic Acid)
60 mg
Vitamin D3 (Cholecalciferol)
25 mcg
Vitamin E (DL-Alpha-Tocopheryl Acetate)
6.75 mg
Thiamine (Thiamine Hydrochloride)
5 mg
Riboflavin (Vitamin B2)
2 mg
Niacin (Niacinamide)
25 mg
Vitamin B6 (Pyridoxine Hydrochloride)
5 mg
Folate
334 mcg DFE
Vitamin B12 (Cyanocobalamin)
8 mcg
Biotin (D-Biotin)
5000 mcg
Pantothenic Acid (D-Calcium Pantothenate)
15 mg
Choline (Choline Bitartrate)
10 mg
Calcium (Calcium Carbonate, Dicalcium Phosphate)
372 mg
Phosphorus (Dicalcium Phosphate)
180 mg
Magnesium (Magnesium Oxide)
50 mg
Zinc (Zinc Gluconate)
7.5 mg
Manganese (Manganese Gluconate)
2 mg
PABA
10 mg
Inositol
30 mg
Citrus Bioflavonoid / Rutin Complex
38 mg
Horsetail powder
3 mg
Collagen (hydrolyzed Gelatin)
50 mg
Gluten Free Adults 18–50
Report overview
B Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value
This hair, skin, and nails supplement provides phosphorus in a standard dicalcium phosphate form to support skeletal and cellular health. It offers a balanced dose that complements its high biotin content while remaining exceptionally affordable for daily use.
A Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyC Value
This complex formula combines high-potency biotin with vitamins and minerals to support overall hair, skin, and nail health. It features the biologically active form of biotin for better utilization.
PABA · 10 mg OverallScore68
A Active Ingredient Quality & BioavailabilityC Dose, Safety & Label TransparencyD- Value
This extra-strength beauty multivitamin contains a minor inclusion of PABA alongside standard skin and hair nutrients. It is very affordable but offers very little PABA per serving.
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