Keratin Hair Booster with Biotin & Resveratrol, 120 Capsules
Product Analysis
Transparency Excellent
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Niacin (as niacinamide) | 18 mg NE | 113% |
| Vitamin B6 (as pyridoxine HCl) | 2 mg | 118% |
| Biotin | 3000 mcg | 10,000% |
| Pantothenic Acid(as D-calcium pantothenate) | 14 mg | 280% |
| Zinc (as zinc oxide) | 15 mg | 136% |
| Copper (as copper sulfate) | 1.7 mg | 189% |
| Cynatine® HNS(Solubilized Keratin from Sheep's Wool) | 500 mg | * |
| Pro-Longevity Factors® BlendJapanese Knotweed Extract (root) (Polygonum cuspidatum) and Organic Wine Grape (skin and seed) (Vitis labrusca) containing 20 mg of trans-Resveratrol, with naturally occurring epicatechin, quercetin, gallic acid and catechin. | 30 mg | * |
Bioavailability Good
Absorption Rating
- Niacin (as niacinamide) Good
- Vitamin B6 (as pyridoxine HCl) Fair
- Biotin Good
- Pantothenic Acid(as D-calcium pantothenate) Good
- Zinc (as zinc oxide) Poor
- Copper (as copper sulfate) Fair
- Cynatine® HNS(Solubilized Keratin from Sheep's Wool) Fair
- Pro-Longevity Factors® BlendJapanese Knotweed Extract (root) (Polygonum cuspidatum) and Organic Wine Grape (skin and seed) (Vitis labrusca) containing 20 mg of trans-Resveratrol, with naturally occurring epicatechin, quercetin, gallic acid and catechin. Good
Other Ingredients Excellent
Fillers & Additives
- Vegetable Cellulose
- Rice bran and silicon dioxide
Efficacy Very Good
Dosage Analysis
- Niacin (as niacinamide) 18 mg NE Effective
- Vitamin B6 (as pyridoxine HCl) 2 mg Effective
- Biotin 3000 mcg Effective
- Pantothenic Acid(as D-calcium pantothenate) 14 mg Effective
- Zinc (as zinc oxide) 15 mg Effective
- Copper (as copper sulfate) 1.7 mg Effective
- Pro-Longevity Factors® BlendJapanese Knotweed Extract (root) (Polygonum cuspidatum) and Organic Wine Grape (skin and seed) (Vitis labrusca) containing 20 mg of trans-Resveratrol, with naturally occurring epicatechin, quercetin, gallic acid and catechin. 30 mg Under-dosed
Supplement Facts
| Ingredient | Amount | % Daily Value |
|---|---|---|
| Niacin (as niacinamide) | 18 mg NE | 113% |
| Vitamin B6 (as pyridoxine HCl) | 2 mg | 118% |
| Biotin | 3000 mcg | 10,000% |
| Pantothenic Acid(as D-calcium pantothenate) | 14 mg | 280% |
| Zinc (as zinc oxide) | 15 mg | 136% |
| Copper (as copper sulfate) | 1.7 mg | 189% |
| Cynatine® HNS(Solubilized Keratin from Sheep's Wool) | 500 mg | * |
| Pro-Longevity Factors® BlendJapanese Knotweed Extract (root) (Polygonum cuspidatum) and Organic Wine Grape (skin and seed) (Vitis labrusca) containing 20 mg of trans-Resveratrol, with naturally occurring epicatechin, quercetin, gallic acid and catechin. | 30 mg | * |
Other Ingredients
Vegetable Cellulose Safe
Rice bran and silicon dioxide Unknown
Price Comparison
Price History
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Is Reserveage Beauty Keratin Hair Booster with Biotin & Resveratrol, 120 Capsules a good supplement?
Reserveage Beauty Keratin Hair Booster with Biotin & Resveratrol, 120 Capsules received a product quality score of 88/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 8 active ingredients with 60 servings per container. Of the 2 inactive ingredients, 1 are rated safe and 0 are flagged for review. The manufacturer, Reserveage Beauty, holds a brand trust score of 62/100.
What are the ingredients in Reserveage Beauty Keratin Hair Booster with Biotin & Resveratrol, 120 Capsules?
Reserveage Beauty Keratin Hair Booster with Biotin & Resveratrol, 120 Capsules contains 8 active ingredients: Niacin (as niacinamide) (18 mg NE), Vitamin B6 (as pyridoxine HCl) (2 mg), Biotin (3000 mcg), Pantothenic Acid(as D-calcium pantothenate) (14 mg), Zinc (as zinc oxide) (15 mg), Copper (as copper sulfate) (1.7 mg), and 2 more. Notable high-dose ingredients include Biotin at 10,000% DV, Pantothenic Acid at 280% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.
Is Reserveage Beauty Keratin Hair Booster with Biotin & Resveratrol, 120 Capsules safe to take?
Reserveage Beauty Keratin Hair Booster with Biotin & Resveratrol, 120 Capsules has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.
Is Reserveage Beauty a trustworthy supplement brand?
Reserveage Beauty receives a brand trust score of 62/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2009 and headquartered in Boca Raton, FL, United States, the company offers 28 products in their lineup.
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The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.
What does vitamin d do?
This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 250,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.
How much vitamin d3 per day for a woman?
The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.
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