Extra Strength Hair Skin & Nails
Goals
$11.40 $0.22 per serving
Product analysis
Extra Strength Hair Skin & Nails may help fill nutrient gaps affecting hair, skin or nails, with a limited connection between biotin and brittle nails. The wider mixture does not establish extra cosmetic benefits when nutrition is already adequate.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality38
Ingredient quality is mixed, with a favorable manganese preparation and a clearly identified niacin form. Several other preparations are unspecified or cannot be confidently judged.
Ingredient Transparency87
Amounts are disclosed throughout, helping you compare servings. Several preparations, including biotin and collagen, are unspecified, limiting a full comparison of ingredient quality.
Value For Money45
Value is mixed, with favorable serving-price comparisons for some minerals but poor value for the collagen content. Moderate biotin value does not resolve the uncertainty around much of the wider blend.
Customer Satisfaction90
Customer feedback is generally very positive across a very large number of ratings. The extensive feedback gives a broad view of satisfaction without proving cosmetic benefits.
Product Focus43
The clearest role is addressing nutrient gaps that can affect hair, skin and nails. The small collagen and hyaluronic acid amounts do not match the preparations and exposures linked to the more specific cosmetic findings.
- Format
Softgel - Container
- 150 Softgel(s)
- Per serving
- $0.22
- Also available
Extra Strength Hair Skin & Nails Argan Oil Infused$24.99- Customer rating
- 4.6 · 115,433 ratings
Goals
Impact
High effect
Hyaluronic Acid · 30 mgZinc · 7.5 mgVitamin C · 60 mgCollagen · 50 mgSelenium · 12.5 mcgVitamin E · 10 mg
Impact
High effect
Collagen · 50 mgBiotin · 5000 mcgHorsetail · 3 mg
Horsetail Not classified
No linked studies yet.
Impact
High effect
Biotin · 5000 mcgZinc · 7.5 mgIron · 3 mgVitamin C · 60 mgCollagen · 50 mg
Horsetail Not classified
No linked studies yet.
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Calories | 15 Calorie(s) | |
Total Fat | 1 Gram(s) | |
Vitamin A (Retinyl Palmitate) | 1500 mcg | |
Vitamin C (Ascorbic Acid) | 60 mg | |
Vitamin E (D-Alpha-Tocopheryl Acetate) | 10 mg | |
Thiamine (Thiamine Mononitrate) | 3 mg | |
Riboflavin | 5 mg | |
Niacin (Niacinamide) | 25 mg | |
Vitamin B6 (Pyridoxine Hydrochloride) | 5 mg | |
Folate | 333 mcg DFE | |
Vitamin B12 (Cyanocobalamin) | 8 mcg | |
Biotin | 5000 mcg | |
Pantothenic Acid (Calcium D-Pantothenate) | 4 mg | |
Iron (Ferrous Gluconate) | 3 mg | |
Zinc (Zinc Gluconate) | 7.5 mg | |
Selenium (Selenium Yeast) | 12.5 mcg | |
Manganese (Manganese Gluconate) | 5 mg | |
Argan Oil (Argania spinosa) | 25 mg | |
PABA | 10 mg | |
Alpha Lipoic Acid | 10 mg | |
Horsetail | 3 mg | |
Collagen, Hydrolyzed | 50 mg | |
Hyaluronic Acid (Sodium Hyaluronate) | 30 mg |
Manganese (Manganese Gluconate) · 5 mg OverallScore92
The serving provides 5 mg of manganese at a low cost per serving. It uses manganese gluconate, and supplies a clearly stated amount of the mineral.
How this ingredient is rated
Active Ingredient Quality & Bioavailability80
Manganese Gluconate is an organic salt with good solubility.
Manganese Chemical Form
Manganese Gluconate is an organic salt with good solubility.
Dose, Safety & Label Transparency100
The manganese amount is clearly stated. The amount falls within the stated range for bone and joint support.
Manganese Dosage Efficacy & Safety
The serving supplies 5 mg of manganese, within the stated range for bone and joint support.
Elemental Weight Disclosure
The label states both the manganese amount and its source.
Value100
The cost per serving is low.
Price per Serving vs. Median
The cost per serving is low.
Biotin · 5000 mcg OverallScore82
Each serving provides 5000 mcg of biotin, and the package cost also covers other vitamins and minerals. The specific isomer is not stated. It also contains an artificial color.
How this ingredient is rated
Active Ingredient Quality & Bioavailability74
The label lists biotin without specifying its isomer. The label includes an artificial color.
Biologically Active d-Biotin Isomer
The label lists biotin without specifying its isomer.
Excipient Purity
The label includes an artificial color.
Dose, Safety & Label Transparency100
The 5000 mcg per serving falls in the range used here for hair and nail support. The label gives the exact biotin amount per serving.
Biotin Potency for Health Goals
The 5000 mcg per serving falls in the range used here for hair and nail support.
Label Transparency & Exact Disclosure
The label gives the exact biotin amount per serving.
Value60
The package cost also covers other vitamins and minerals, so a biotin-only cost would not capture the full formula.
Price per 5,000 mcg Biotin
The package cost also covers other vitamins and minerals, so a biotin-only cost would not capture the full formula.
Niacin (Niacinamide) · 25 mg OverallScore79
A serving supplies 25 mg of niacin at a moderate cost per serving. It uses niacinamide. The amount and form are stated.
How this ingredient is rated
Active Ingredient Quality & Bioavailability100
Niacinamide is a form used for the stated skin-health goal.
Niacin Form & Goal Alignment
Niacinamide is a form used for the stated skin-health goal.
Precursor Source Quality
Niacinamide is the stated form.
Dose, Safety & Label Transparency67
A serving provides 25 mg of niacin. Niacinamide is a non-flushing form; no explicit no-flush claim is captured.
Clarity of Chemical Form
It uses niacinamide.
Form-Specific Dosage Efficacy
A serving provides 25 mg of niacin.
Flush Risk & Safety Labeling
Niacinamide is a non-flushing form; no explicit no-flush claim is captured.
Value60
The cost per serving is moderate for the niacin contribution.
Price Per Effective Serving
The cost per serving is moderate for the niacin contribution.
Alternative products
Report alternatives
Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- The Role of Sesbania grandiflora-Derived Biotin and Bambusa arundinacea-Derived Silica Extracts in Promoting Hair, Skin, and Nail Health: A Randomized, Double-Blind, Placebo-Controlled Clinical Study.
- Low serum biotinidase activity in children with valproic acid monotherapy.
- Vitamins A, B, C, and D: A Short Review for the Dermatologist.
- The Infatuation With Biotin Supplementation: Is There Truth Behind Its Rising Popularity? A Comparative Analysis of Clinical Efficacy versus Social Popularity.
- Low-Molecular-Weight Collagen Peptide Supplementation Improves Cellulite Severity, Skin Elasticity, and Hair Shaft Diameter: A Clinical Study with Pharmacokinetic Evaluation.
- Calcium and Vitamin D Supplementation with and Without Collagen on Bone Density and Skin Elasticity in Menopausal Women-A Randomized Controlled Study.
- Dietary Collagen Supplementation as a Strategy for Skin Health: A Narrative Review of Clinical Effects on Skin, Hair, Nails, and Wound Healing.
- Hair Loss After Metabolic and Bariatric Surgery: a Systematic Review and Meta-analysis.
- Quantitative Analysis of Selected Circulating Hematological Biomarkers, Essential Minerals, Vitamins, and Thyroid Hormones in Females Affected by Hair Loss.
- Twelve weeks of protracted venous infusion of fluorouracil (5-FU) is as effective as 6 months of bolus 5-FU and folinic acid as adjuvant treatment in colorectal cancer.
- Role of oxaliplatin combined with 5-fluorouracil and folinic acid in the first- and second-line treatment of advanced colorectal cancer.
- Phase I-II study of vinorelbine in combination with 5-fluorouracil and folinic acid as first-line chemotherapy in metastatic breast cancer: a regimen with a low subjective toxic burden.
- Efficacy and safety of non-cross-linked hyaluronic acid compound in the treatment of keratosis pilaris: A split-body randomized clinical trial.
- Intradermal Injections of 10% Glucose (Sihler G) for Scalp Hair Regrowth: A Randomized, Evaluator-Blinded Pilot Study.
- Efficacy of Dr. SKS Hair Booster Serum in the Treatment of Female Pattern Alopecia in Patients With PCOS: An Open-Label, Non-randomized, Prospective Study.
- Efficacy and safety of needle-free jet injector-assisted intralesional treatments in dermatology-a systematic review.
- Revitalizing Effect on the Scalp After Injection with a Mechanically Stabilized Hyaluronic Acid Complex in Subjects with Androgenetic Alopecia.
- The Association Between Alopecia Areata and Iron Deficiency Anemia: A Large-Scale Population-Based Case-Control Study.
- Iron Deficiency and Nonscarring Alopecia in Women: Systematic Review and Meta-Analysis.
- Comparative Analysis of Postoperative Hair Loss and Micronutrient Deficiencies After One-Anastomosis Gastric Bypass Versus Sleeve Gastrectomy.