Advanced Formula Hair, Skin & Nails, 50 Tablets
Product Analysis
Transparency Excellent
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Vitamin A (as Palmitate) | 750 mcg RAE | 83% |
| Vitamin C (as Ascorbic Acid) | 50 mg | 56% |
| Vitamin D3 (as Cholecalciferol) (50 IU) | 1.25 mcg | 6% |
| Vitamin E (as dl-Alpha Tocopheryl Acetate) | 11.25 mg | 75% |
| Thiamin (Thiamin Mononitrate, B-1) | 5 mg | 417% |
| Riboflavin (Vitamin B-2) | 5 mg | 385% |
| Niacin | 7.5 mg | 47% |
| Vitamin B-6 (as Pyridoxine HCl) | 6.5 mg | 382% |
| Folate (25 mcg Folic Acid) | 42 mcg DFE | 10% |
| Vitamin B-12 (Cyanocobalamin) | 25 mcg | 1,042% |
| Biotin | 25 mcg | 83% |
| Pantothenic Acid (as d-Calcium Pantothenate) | 15 mg | 300% |
| Choline (as Choline Bitartrate) | 25 mg | 5% |
| Calcium (as Dicalcium Phosphate & Calcium Carbonate) | 125 mg | 10% |
| Iron (as Ferrous Fumarate) | 3.3 mg | 18% |
| Phosphorous (as Dicalcium Phosphate) | 58 mg | 5% |
| Iodine (as Potassium Iodide) | 150 mcg | 100% |
| Magnesium (as Magnesium Oxide) | 20 mg | 5% |
| Zinc (as Zinc Gluconate) | 0.6 mg | 5% |
| Manganese (as Manganese Sulfate) | 0.6 mg | 26% |
| Potassium (as Potassium Iodide & Potassium Sulfate) | 5 mg | <1% |
| Betaine HCl | 10 mg | ** |
| Inositol | 10 mg | ** |
| PABA | 10 mg | ** |
| DNA | 10 mg | ** |
| RNA | 10 mg | ** |
| Tyrosine | 7.2 mg | ** |
| Cysteine HCl | 3.5 mg | ** |
| Soy Protein (Amino Acid Blend)Glutamic Acid, Lysine, Leucine, Aspartic Acid, Isoleucine, Valine, Alanine, Arginine, Histidine, Serine, Threonine, Glycine, Ornithine HCl | 50 mg | ** |
| Proprietary Herbal Support BlendBrewers Yeast, Soy Protein, Horsetail Powder (Equisetum arvense) (aerial), Parsley Leaf, Rose Hips Powder (Rosa canina L.) (fruit), Watercress (Nasturtium officinale R.Br.) (whole herb), Kelp Powder (whole plant), Citrus Bioflavonoids, Lecithin, Rutin. | 310 mg | ** |
Bioavailability Good
Absorption Rating
- Vitamin A (as Palmitate) Good
- Vitamin C (as Ascorbic Acid) Fair
- Vitamin D3 (as Cholecalciferol) (50 IU) Good
- Vitamin E (as dl-Alpha Tocopheryl Acetate) Poor
- Thiamin (Thiamin Mononitrate, B-1) Fair
- Riboflavin (Vitamin B-2) Good
- Niacin Good
- Vitamin B-6 (as Pyridoxine HCl) Fair
- Folate (25 mcg Folic Acid) Fair
- Vitamin B-12 (Cyanocobalamin) Fair
- Biotin Good
- Pantothenic Acid (as d-Calcium Pantothenate) Good
- Choline (as Choline Bitartrate) Poor
- Calcium (as Dicalcium Phosphate & Calcium Carbonate) Fair
- Iron (as Ferrous Fumarate) Fair
- Phosphorous (as Dicalcium Phosphate) Fair
- Iodine (as Potassium Iodide) Good
- Magnesium (as Magnesium Oxide) Poor
- Zinc (as Zinc Gluconate) Good
- Manganese (as Manganese Sulfate) Good
- Potassium (as Potassium Iodide & Potassium Sulfate) Good
- Betaine HCl Fair
- Inositol Good
- PABA Good
- DNA Fair
- RNA Fair
- Tyrosine Good
- Cysteine HCl Fair
- Soy Protein (Amino Acid Blend)Glutamic Acid, Lysine, Leucine, Aspartic Acid, Isoleucine, Valine, Alanine, Arginine, Histidine, Serine, Threonine, Glycine, Ornithine HCl Fair
- Proprietary Herbal Support BlendBrewers Yeast, Soy Protein, Horsetail Powder (Equisetum arvense) (aerial), Parsley Leaf, Rose Hips Powder (Rosa canina L.) (fruit), Watercress (Nasturtium officinale R.Br.) (whole herb), Kelp Powder (whole plant), Citrus Bioflavonoids, Lecithin, Rutin. Fair
Other Ingredients Poor
Fillers & Additives
- Cellulose
- Stearic Acid
- Maltodextrin
- Croscarmellose Sodium
- Artificial colors (fd&c blue #2 carmine, fd&c red #40) High
- Gelatin
- Magnesium Silicate
- Magnesium Stearate
- Polyethylene Glycol Low
- Polyvinyl Alcohol
- Silicon Dioxide
- Titanium Dioxide High
Efficacy Poor
Dosage Analysis
- Vitamin A (as Palmitate) 750 mcg RAE Effective
- Vitamin C (as Ascorbic Acid) 50 mg Under-dosed
- Vitamin D3 (as Cholecalciferol) (50 IU) 1.25 mcg Under-dosed
- Vitamin E (as dl-Alpha Tocopheryl Acetate) 11.25 mg Under-dosed
- Thiamin (Thiamin Mononitrate, B-1) 5 mg Effective
- Riboflavin (Vitamin B-2) 5 mg Effective
- Niacin 7.5 mg Under-dosed
- Vitamin B-6 (as Pyridoxine HCl) 6.5 mg Effective
- Folate (25 mcg Folic Acid) 42 mcg DFE Under-dosed
- Vitamin B-12 (Cyanocobalamin) 25 mcg Effective
- Biotin 25 mcg Under-dosed
- Pantothenic Acid (as d-Calcium Pantothenate) 15 mg Effective
- Choline (as Choline Bitartrate) 25 mg Under-dosed
- Calcium (as Dicalcium Phosphate & Calcium Carbonate) 125 mg Under-dosed
- Iron (as Ferrous Fumarate) 3.3 mg Under-dosed
- Iodine (as Potassium Iodide) 150 mcg Effective
- Magnesium (as Magnesium Oxide) 20 mg Under-dosed
- Zinc (as Zinc Gluconate) 0.6 mg Under-dosed
- Manganese (as Manganese Sulfate) 0.6 mg Under-dosed
- Potassium (as Potassium Iodide & Potassium Sulfate) 5 mg Under-dosed
- Betaine HCl 10 mg Under-dosed
- Inositol 10 mg Under-dosed
- PABA 10 mg Under-dosed
- Tyrosine 7.2 mg Under-dosed
- Cysteine HCl 3.5 mg Under-dosed
- Soy Protein (Amino Acid Blend)Glutamic Acid, Lysine, Leucine, Aspartic Acid, Isoleucine, Valine, Alanine, Arginine, Histidine, Serine, Threonine, Glycine, Ornithine HCl 50 mg Under-dosed
Supplement Facts
| Ingredient | Amount | % Daily Value |
|---|---|---|
| Vitamin A (as Palmitate) | 750 mcg RAE | 83% |
| Vitamin C (as Ascorbic Acid) | 50 mg | 56% |
| Vitamin D3 (as Cholecalciferol) (50 IU) | 1.25 mcg | 6% |
| Vitamin E (as dl-Alpha Tocopheryl Acetate) | 11.25 mg | 75% |
| Thiamin (Thiamin Mononitrate, B-1) | 5 mg | 417% |
| Riboflavin (Vitamin B-2) | 5 mg | 385% |
| Niacin | 7.5 mg | 47% |
| Vitamin B-6 (as Pyridoxine HCl) | 6.5 mg | 382% |
| Folate (25 mcg Folic Acid) | 42 mcg DFE | 10% |
| Vitamin B-12 (Cyanocobalamin) | 25 mcg | 1,042% |
| Biotin | 25 mcg | 83% |
| Pantothenic Acid (as d-Calcium Pantothenate) | 15 mg | 300% |
| Choline (as Choline Bitartrate) | 25 mg | 5% |
| Calcium (as Dicalcium Phosphate & Calcium Carbonate) | 125 mg | 10% |
| Iron (as Ferrous Fumarate) | 3.3 mg | 18% |
| Phosphorous (as Dicalcium Phosphate) | 58 mg | 5% |
| Iodine (as Potassium Iodide) | 150 mcg | 100% |
| Magnesium (as Magnesium Oxide) | 20 mg | 5% |
| Zinc (as Zinc Gluconate) | 0.6 mg | 5% |
| Manganese (as Manganese Sulfate) | 0.6 mg | 26% |
| Potassium (as Potassium Iodide & Potassium Sulfate) | 5 mg | <1% |
| Betaine HCl | 10 mg | ** |
| Inositol | 10 mg | ** |
| PABA | 10 mg | ** |
| DNA | 10 mg | ** |
| RNA | 10 mg | ** |
| Tyrosine | 7.2 mg | ** |
| Cysteine HCl | 3.5 mg | ** |
| Soy Protein (Amino Acid Blend)Glutamic Acid, Lysine, Leucine, Aspartic Acid, Isoleucine, Valine, Alanine, Arginine, Histidine, Serine, Threonine, Glycine, Ornithine HCl | 50 mg | ** |
| Proprietary Herbal Support BlendBrewers Yeast, Soy Protein, Horsetail Powder (Equisetum arvense) (aerial), Parsley Leaf, Rose Hips Powder (Rosa canina L.) (fruit), Watercress (Nasturtium officinale R.Br.) (whole herb), Kelp Powder (whole plant), Citrus Bioflavonoids, Lecithin, Rutin. | 310 mg | ** |
Other Ingredients
Cellulose Safe
Stearic Acid Safe
Maltodextrin Generally_safe
Gelatin Safe
Magnesium Silicate Generally_safe
Magnesium Stearate Safe
Polyethylene Glycol Caution
Polyvinyl Alcohol Generally_safe
Silicon Dioxide Safe
Titanium Dioxide Caution
Price Comparison
Price History
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Is 21st Century Advanced Formula Hair, Skin & Nails a good supplement?
21st Century Advanced Formula Hair, Skin & Nails, 50 Tablets received a product quality score of 48/100 in GoodSupp's independent analysis, indicating several areas of concern that consumers should review. The product contains 30 active ingredients Of the 12 inactive ingredients, 6 are rated safe and 2 are flagged for review. The manufacturer, 21st Century, holds a brand trust score of 76/100 with 2 verified certifications including Consumerlab, Nsf Gmp.
What are the ingredients in 21st Century Advanced Formula Hair, Skin & Nails?
21st Century Advanced Formula Hair, Skin & Nails contains 30 active ingredients: Vitamin A (as Palmitate) (750 mcg RAE), Vitamin C (as Ascorbic Acid) (50 mg), Vitamin D3 (as Cholecalciferol) (50 IU) (1.25 mcg), Vitamin E (as dl-Alpha Tocopheryl Acetate) (11.25 mg), Thiamin (Thiamin Mononitrate, B-1) (5 mg), Riboflavin (Vitamin B-2) (5 mg), and 24 more. Notable high-dose ingredients include Thiamin at 417% DV, Riboflavin at 385% DV, Vitamin B-6 at 382% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.
Is 21st Century Advanced Formula Hair, Skin & Nails safe to take?
21st Century Advanced Formula Hair, Skin & Nails, 50 Tablets has been analyzed for ingredient safety across all its components. Of 12 inactive ingredients, 6 are rated safe. 2 ingredients are flagged for review: Polyethylene Glycol, Titanium Dioxide. 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.
Is 21st Century a trustworthy supplement brand?
21st Century receives a brand trust score of 76/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1991 and headquartered in Tempe, Arizona, United States, the company offers 231 products in their lineup. They hold 2 verified certifications including Consumerlab, Nsf Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: 21st Century has 4 historical regulatory incidents on record, which are factored into the trust score.
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