$31.67 $1.05 per serving
Product analysis
Keratin Hair Booster provides zinc and biotin that may help with hair and nail concerns when low intake is involved. The keratin preparation cannot be assumed to provide the hair-condition benefits found for a different, specifically studied source.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality30
Copper sulfate has a less favorable form comparison, while biotin's exact form is unspecified. Quality comparisons for keratin and several other nutrients remain uncertain.
Ingredient Transparency73
Amounts and most nutrient forms are listed, making the main ingredients easier to compare. Keratin proportions and the herbal blend's full contents are not disclosed.
Value For Money49
Keratin compares favorably with the cost of a serving, while copper compares less favorably. Biotin falls between those comparisons, and value for several other nutrients remains uncertain.
Customer Satisfaction78
Customer ratings are positive. The size of the review pool helps put that satisfaction in context, without proving effectiveness or safety.
Product Focus38
The main nutritional role is supporting hair and nails when zinc or biotin intake is low. Keratin findings depend on the preparation, and undisclosed blend contents limit a full view of the formula.
- Format
Capsule - Container
- 60 Capsule(s)
- Per serving
- $1.05
- Also available
Keratin Hair Booster$79.54- Customer rating
- 4.4 · 2,101 ratings
Goals
Impact
Highest effect
Biotin · 3000 mcgKeratin · 500 mg
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Niacin (Niacinamide) | 18 mg NE | |
Vitamin B6 (Pyridoxine Hydrochloride) | 2 mg | |
Biotin | 3000 mcg | |
Pantothenic Acid (Calcium D-Pantothenate) | 14 mg | |
Zinc (Zinc Oxide) | 15 mg | |
Copper (Copper Sulfate) | 1.7 mg | |
Cynatine HNS (Keratin, Sheep's Wool) | 500 mg | |
Pro-Longevity Factors Blend | 40 mg |
Keratin (Sheep's Wool) · 500 mg OverallScore96
Biotin · 3000 mcg OverallScore78
Each serving provides 3,000 mcg of biotin, with other nutrients included in the price. The label says biotin without specifying its exact form. The biotin amount is stated separately.
How this ingredient is rated
Active Ingredient Quality & Bioavailability82
The label says biotin without specifying its exact form. No artificial colors or sweeteners are recorded in Other Ingredients.
Biologically Active d-Biotin Isomer
The label says biotin without specifying its exact form.
Excipient Purity
No artificial colors or sweeteners are recorded in Other Ingredients.
Dose, Safety & Label Transparency84
Each serving provides 3,000 mcg of biotin. The biotin amount is listed separately.
Biotin Potency for Health Goals
Each serving provides 3,000 mcg of biotin.
Label Transparency & Exact Disclosure
The biotin amount is listed separately.
Value60
The price covers other nutrients, including vitamin B6 and zinc, as well as biotin.
Price per 5,000 mcg Biotin
The price covers other nutrients, including vitamin B6 and zinc, as well as biotin.
Copper (Copper Sulfate) · 1.7 mg OverallScore53
The serving provides 1.7 mg of copper at a high cost per serving. The copper source is Copper Sulfate. The serving also provides 15 mg of zinc, giving a zinc-to-copper ratio within the stated 8:1 to 15:1 range.
How this ingredient is rated
Active Ingredient Quality & Bioavailability37
The copper source is Copper Sulfate. The amount and source are listed.
Copper Form Bioavailability
The copper source is Copper Sulfate.
Elemental Copper Labeling Clarity
The label states the copper amount and names Copper Sulfate as a source.
Dose, Safety & Label Transparency86
The selected serving provides 1.7 mg of copper, within the stated serving range. The serving also provides 15 mg of zinc, giving a zinc-to-copper ratio within the stated 8:1 to 15:1 range.
Copper Dosage Safety & Efficacy
The selected serving provides 1.7 mg of copper, within the stated serving range.
Zinc-to-Copper Balance
The serving also provides 15 mg of zinc, giving a zinc-to-copper ratio within the stated 8:1 to 15:1 range.
Value20
The cost per serving is high.
Price Per Serving Efficiency
The cost per serving is high.
Alternative products
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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.
- Menkes disease and response to copper histidine: An Indian case series.
- Trace element levels in alopecia areata.
- UV damage to hair and the effect of antioxidants and metal chelators.
- Preserving fibre health: reducing oxidative stress throughout the life of the hair fibre.
- The Effects of an Oral Supplementation of a Natural Keratin Hydrolysate on Skin Aging: A Randomized, Double-Blind, Placebo-Controlled Clinical Study in Healthy Women.
- Halloysite/Keratin Nanocomposite for Human Hair Photoprotection Coating.
- Annurca Apple Nutraceutical Formulation Enhances Keratin Expression in a Human Model of Skin and Promotes Hair Growth and Tropism in a Randomized Clinical Trial.
- Keratin/alginate hybrid hydrogels filled with halloysite clay nanotubes for protective treatment of human hair.
- Patient Satisfaction and Adverse Effects Following the use of Topical Hair Fiber Fillers.
- A pilot study evaluating the efficacy of topically applied niacin derivatives for treatment of female pattern alopecia.
- Topical adenosine increases thick hair ratio in Japanese men with androgenetic alopecia.
- The effects of minoxidil, 1% pyrithione zinc and a combination of both on hair density: a randomized controlled trial.
- Incubatory environment of the scalp impacts pre-emergent hair to affect post-emergent hair cuticle integrity.
- A comparison of hair quality and cosmetic acceptance following the use of two anti-dandruff shampoos.
- BMI and levels of zinc, copper in hair, serum and urine of Turkish male patients with androgenetic alopecia.
- Analysis of serum zinc and copper concentrations in hair loss.