$16.77 $0.37 per serving
Product analysis
Hair Skin & Nails may help fill nutrient gaps that affect normal hair and skin functions, particularly when low zinc, biotin or iron contributes to shedding. The wide mix of extras does not establish additional visible benefits when nutrient intake is already adequate.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality41
Some vitamins and minerals use clearly identified forms, including favorable iodine and B5 choices. Other forms are unspecified or have uncertain comparisons, and the calcium forms lack stated proportions.
Ingredient Transparency68
All listed amounts and most forms are stated, giving a useful basis for comparison. Missing forms and calcium component proportions leave some details unclear.
Value For Money52
The serving cost compares favorably in several nutrient comparisons, but B5 and gelatin look expensive for the amounts supplied. Value for many other additions remains uncertain, so the broad list alone does not establish a good buy.
Customer Satisfaction81
Customer feedback is generally positive across thousands of ratings. The large review base provides established satisfaction context without proving changes to hair, skin or nails.
Product Focus35
The clearest benefits relate to normal nutrition and correcting low intakes. The broad formula does not establish extra hair regrowth or visible skin changes when nutrient needs are already met.
- Format
Tablet - Container
- 135 Tablet(s)
- Per serving
- $0.37
- Customer rating
- 4.5 · 2,823 ratings
Goals
Impact
Moderate effect
Biotin · 1500 mcgVitamin D · 5 mcgZinc · 15 mgIron · 6 mgMethionine · 100 mgVitamin C · 120 mg
Horsetail Not classified
No linked studies yet.
Methionine Not classified
No linked studies yet.
Impact
High effect
Phosphorus · 300 mgMagnesium · 200 mgCalcium · 600 mgVitamin D · 5 mcgManganese · 10 mgZinc · 15 mgVitamin C · 120 mg
Horsetail Not classified
No linked studies yet.
Impact
Moderate effect
Iodine · 225 mcgVitamin D · 5 mcgVitamin B5 · 30 mgMagnesium · 200 mgRiboflavin · 10 mgThiamin · 10 mgVitamin B12 · 16 mcgIron · 6 mg
Vitamin B5 Not classified
No linked studies yet.
Impact
Moderate effect
Zinc · 15 mgVitamin C · 120 mgSelenium · 25 mcgVitamin E · 20 mg
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Vitamin A (Beta-Carotene) | 6000 mcg RAE | |
Vitamin C (Ascorbic Acid) | 120 mg | |
Vitamin D (Cholecalciferol) | 5 mcg | |
Vitamin E (Mixed Tocopherols) | 20 mg | |
Thiamine (Thiamine Mononitrate) | 10 mg | |
Riboflavin | 10 mg | |
Niacin (Niacinamide) | 50 mg NE | |
Vitamin B6 (Pyridoxine Hydrochloride) | 10 mg | |
Folate | 666.4 mcg DFE | |
Vitamin B12 (Cyanocobalamin) | 16 mcg | |
Biotin | 1500 mcg | |
Pantothenic Acid (D-Calcium Pantothenate) | 30 mg | |
Choline (Choline Bitartrate) | 150 mg | |
Calcium (Calcium Carbonate, Dicalcium Phosphate) | 600 mg | |
Iron (Iron Amino Acid Chelate) | 6 mg | |
Phosphorus (Dicalcium Phosphate) | 300 mg | |
Iodine (Potassium Iodide) | 225 mcg | |
Magnesium (Magnesium Oxide) | 200 mg | |
Zinc (Zinc Gluconate) | 15 mg | |
Selenium (Selenium Amino Acid Complex) | 25 mcg | |
Manganese | 10 mg | |
Horsetail Leaf Extract | 71 mg | |
Gelatin (Beef) | 250 mg | |
L-Cysteine Hydrochloride | 150 mg | |
Methionine (L-Methionine) | 100 mg | |
Oat Straw | 75 mg | |
Echinacea angustifolia | 75 mg | |
Inositol | 60 mg | |
Ribonucleic Acid | 60 mg | |
Betaine (Betaine Hydrochloride) | 50 mg | |
Para-Aminobenzoic Acid | 50 mg | |
Citrus Bioflavonoids | 50 mg | |
Papain | 50 mg | |
Asparagus racemosus | 50 mg | |
Rutin | 25 mg |
Iodine (Potassium Iodide) · 225 mcg OverallScore96
A serving supplies 225 mcg of iodine at a moderate cost per serving. That amount fits daily maintenance. The iodine is supplied as potassium iodide.
How this ingredient is rated
Active Ingredient Quality & Bioavailability100
The iodine is supplied as potassium iodide. No marine source is indicated, so marine-specific contamination concerns do not apply.
Iodine Form & Bioavailability
The iodine is supplied as potassium iodide.
Marine Source Purity & Sourcing
No marine source is indicated, so marine-specific contamination concerns do not apply.
Dose, Safety & Label Transparency100
The label states 225 mcg of iodine per serving. That amount supports daily maintenance and is below the adult upper limit.
Dosage Efficacy for Daily Support
The 225 mcg serving falls within the range for daily thyroid maintenance.
Dosage Safety & Upper Limits
The 225 mcg serving is below the adult upper intake limit.
Elemental Iodine Transparency
The label states the iodine amount as 225 mcg per serving.
Value80
The cost per labeled serving is moderate.
Price Per Effective Serving
The cost per labeled serving is moderate.
Phosphorus (Dicalcium Phosphate) · 300 mg OverallScore92
A serving provides 300 mg of phosphorus at a low cost per serving. The phosphorus comes from Dicalcium Phosphate.
How this ingredient is rated
Active Ingredient Quality & Bioavailability79
The phosphorus comes from Dicalcium Phosphate.
Phosphorus Form Quality
The phosphorus comes from Dicalcium Phosphate.
Form Disclosure Clarity
The phosphorus comes from Dicalcium Phosphate.
Dose, Safety & Label Transparency100
The stated amount is 300 mg of phosphorus per serving.
Dose Adequacy and Safety
Each serving supplies 300 mg of phosphorus.
Elemental Dose Transparency
The phosphorus amount is stated as 300 mg per serving.
Value100
The cost per serving is low.
Price Per Serving Efficiency
The cost per serving is low.
Calcium (Calcium Carbonate, Dicalcium Phosphate) · 600 mg OverallScore76
The serving provides 600 mg of calcium at a moderate cost per serving. The calcium comes from Calcium Carbonate and Dicalcium Phosphate, but their proportions are not disclosed. A flow agent is listed.
How this ingredient is rated
Active Ingredient Quality & Bioavailability65
The calcium amount is stated and comes from Calcium Carbonate and Dicalcium Phosphate, with proportions undisclosed.
Calcium Form & Absorption Potential
The calcium comes from Calcium Carbonate and Dicalcium Phosphate, but their proportions are not disclosed.
Elemental Calcium Transparency
The label states 600 mg of calcium per serving and names its source.
Dose, Safety & Label Transparency84
A serving provides 600 mg of calcium. A flow agent is listed.
Absorption-Optimized Serving Dose
A serving provides 600 mg of calcium.
Formulation Purity & Additives
A flow agent is listed.
Value80
The cost per serving is moderate.
Price Per Serving Efficiency
The cost per serving is moderate.
Alternative products
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Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- What is the impact of daily oral supplementation of vitamin D3 (cholecalciferol) plus calcium on the incidence of hip fracture in older people? A systematic review and meta-analysis.
- Calcium supplementation prevents seasonal bone loss and changes in biochemical markers of bone turnover in elderly New England women: a randomized placebo-controlled trial.
- The effects of calcium supplementation (milk powder or tablets) and exercise on bone density in postmenopausal women.
- The efficacy of calcium supplementation alone in elderly Thai women over a 2-year period: a randomized controlled trial.
- Calcium-enriched foods and bone mass growth in prepubertal girls: a randomized, double-blind, placebo-controlled trial.
- Association between RBC folate and lumbar bone mineral density in postmenopausal women, a cross-sectional study from NHANES 2009-2018.
- Genetic variants modify the associations of concentrations of methylmalonic acid, vitamin B-12, vitamin B-6, and folate with bone mineral density.
- Adequate Intake and Supplementation of B Vitamins, in Particular Folic Acid, can Play a Protective Role in Bone Health.
- Relation of homocysteine, folate, and vitamin B12 to bone mineral density of postmenopausal women.
- Dietary intake of folate, but not vitamin B2 or B12, is associated with increased bone mineral density 5 years after the menopause: results from a 10-year follow-up study in early postmenopausal women.
- Association between Serum Magnesium and Fractures: A Systematic Review and Meta-Analysis of Observational Studies.
- Bioabsorbable Magnesium-Based Materials Potential and Safety in Bone Surgery: A Systematic Review.
- Vascularized bone grafting fixed by biodegradable magnesium screw for treating osteonecrosis of the femoral head.
- An update on magnesium and bone health.
- Sex-specific differences in the association of magnesium intake with femoral neck bone mineral density among older adults.
- Risk of Environmental Chemicals on Bone Fractures Is Independent of Low Bone Mass in US Adults: Insights from 2017 to 2018 NHANES.
- The Manganese-Bone Connection: Investigating the Role of Manganese in Bone Health.
- Associations of multiple metals with bone mineral density: A population-based study in US adults.
- Sex-specific associations of urinary mixed-metal concentrations with femoral bone mineral density among older people: an NHANES (2017-2020) analysis.
- Relationship between blood manganese and bone mineral density and bone mineral content in adults: A population-based cross-sectional study.