Kasivit Hair, Skin and Nails Essentials
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Kasivit

Kasivit Hair, Skin and Nails Essentials

Kasivit Radiant Glow Complex: multivitamin-mineral with biotin, zinc, iron, vitamins A, C, D and E, B vitamins and a plant blend (horsetail, fo-ti, nettle and others). 60 capsules, for adults only. Contains iron and soy.

💊Adults only: take two (2) capsules a day with food (supplier's suggested use). Do not take this supplement within one hour of taking medications. Do not exceed the recommended dose.
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🧪 Third-Party Tested
🇺🇸 Manufactured in the USA using globally sourced ingredients
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🔬 Evidence-Rated
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Bronze Evidence Rating

Emerging research tier · Limited human research exists on the main ingredient. This describes published research, not this product.

🛡️

This rating describes how much published human research we found on the main ingredient. It is not a test or review of this product, it does not mean the product treats or prevents any condition, and it is not medical advice. View the Evidence Standard →

Why It Works

Key Benefits

🧪
Vitamins, Minerals and a Plant Blend
The supplier's ingredient list names vitamins A (as beta-carotene), C, D, E, B1, B6, folate, B12, biotin and B5; calcium, iron, magnesium, zinc, manganese and potassium; and a proprietary blend that includes horsetail, fo-ti, bamboo extract, stinging nettle, saw palmetto, spirulina and alfalfa. Check the product label for amounts. No study of this product is cited.
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Biotin: Evidence Is Mostly in People With a Deficiency
A review found that biotin improved hair or nails in people with an underlying cause such as biotin deficiency, and that evidence for healthy people is lacking. A 2024 review of oral biotin for hair growth found three studies, and the placebo-controlled study found no difference from placebo. Biotin can also distort some blood test results (see the precautions below).
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Brittle Nails: Biotin Trials Are Small
A review reported that clinical trials showed improvement in firmness, hardness and thickness of brittle nails with oral biotin, and called for larger controlled trials. These studies tested biotin alone, not this formula.
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Vitamin C and Skin Collagen
A review noted that normal skin contains high concentrations of vitamin C, which stimulates collagen synthesis. It also noted that whether supplements help skin beyond an adequate diet is poorly understood. This product contains no collagen.
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Hair Loss Has Many Causes: Check First
A review of vitamins and minerals in hair loss concluded that deficiency may be a modifiable risk factor but that large placebo-controlled trials are needed. A dermatology review found insufficient evidence to recommend iron supplements for hair loss in people who have iron deficiency without anemia, and left the decision to clinical judgment. Hair loss can have medical causes, so speak with a doctor if it is sudden, patchy or persistent.
⚠️
Contains Iron, Soy and a Fo-Ti Plant Blend: Read the Precautions
This product contains iron, and the supplier warns that accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under six. It also contains soy. Its blend includes fo-ti (He Shou Wu); in a series of 29 patients in Beijing, He Shou Wu was linked to liver injury, with one death from liver failure. No benefit of the plant blend is claimed here.
✅This product is for you if…
Adults who want a multivitamin-mineral supplement that includes biotin, zinc and a plant blend, and who have checked the precautions below
Adults who have asked a doctor or pharmacist whether an iron-containing supplement suits them
Adults with hair loss or brittle nails who have first spoken with a doctor about possible causes
⚠️Consult your healthcare provider if…
You are pregnant or breastfeeding: ask your doctor first (the supplier's caution advises this)
The person is under 18: the supplier says the product is for adults only. The product contains iron: keep out of reach of children (accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under six)
You take any medication: the supplier says not to take this supplement within one hour of taking medications and to consult a healthcare professional first; ask your prescriber or pharmacist
You have hemochromatosis or another iron-overload condition: this product contains iron; ask your doctor first
You are allergic to soy (the supplier states the product contains soy) or to any other ingredient
You have liver disease or have had liver problems (the blend contains fo-ti; liver injury has been reported with He Shou Wu): speak with your doctor before use
You smoke, used to smoke or were exposed to asbestos: the supplier lists vitamin A as beta-carotene, and beta-carotene supplements at 20 to 30 mg a day were linked to more lung cancer in two trials; ask your doctor first
You take thyroid medicine such as levothyroxine: the product contains calcium, which reduced levothyroxine absorption by about 20-25% in a study; ask your prescriber or pharmacist about timing. Biotin can also affect thyroid blood tests
You have blood tests planned, especially thyroid or heart tests: biotin can distort some results; tell your doctor and the laboratory
You take blood thinners such as warfarin, or other prescribed medicines: ask your prescriber or pharmacist before using a multi-ingredient supplement
You have kidney disease: routine vitamin A and E supplements are not supported in chronic kidney disease; ask your doctor first
You also take other vitamin, mineral or herbal supplements, including a multivitamin: the totals add up, so ask a pharmacist to check the combined amounts
Your hair loss is sudden, patchy or persistent, or your nails have changed: see a doctor, because these can have medical causes
Never stop or change a prescribed medicine without asking your prescriber
Formula

Ingredients & Dosages

Serving size: Adults only: take two (2) capsules a day with food (supplier's suggested use). Do not take this supplement within one hour of taking medications. Do not exceed the recommended dose.

Ingredient Amount Per Serving Purpose
Biotin 5000 mcg Keratin synthesis — structural protein for hair, skin, and nails
Vitamin C (Ascorbic Acid) 120 mg Collagen production and antioxidant skin protection
Vitamin A (Beta-carotene) 750 mcg RAE Skin cell turnover and sebum production for scalp health
Vitamin E (DL-Alpha Tocopheryl) 15 mg Fat-soluble antioxidant — protects cell membranes from oxidative damage
Zinc (Zinc Oxide) 11 mg Hair follicle repair and sebaceous gland function
Vitamin D (Cholecalciferol) 25 mcg Supports hair follicle cycling — low Vitamin D associated with hair loss
Vitamin B6 (Pyridoxine HCl) 2 mg Protein metabolism essential for keratin and collagen synthesis
Folate 400 mcg DFE Supports rapid cell division in hair follicles and nail matrix
Vitamin B12 (Cyanocobalamin) 6 mcg Red blood cell formation — delivers oxygen and nutrients to follicles
Iron (Ferrous Fumarate) 18 mg Iron deficiency is a leading nutritional cause of hair loss in women
Botanical Blend 200 mg Horsetail Extract, Fo-Ti, Bamboo Extract, Saw Palmetto, Stinging Nettle, Spirulina — scalp circulation and follicle support
Pantothenic Acid B5 6 mg Supports adrenal function — stress-related hair thinning often linked to B5 insufficiency

† Daily Value not established. Other ingredients: Cellulose (vegetable capsule), Rice Flour, Magnesium Stearate, Silicon dioxide.

Science

Clinical Evidence

Published research relevant to this product. These studies were generally not conducted on this specific product.

🔬
A review reported that clinical trials showed improvement in firmness, hardness and thickness of brittle nails with oral biotin, and that there are case reports of improvement in some other nail conditions; the authors said larger controlled trials are necessary to determine efficacy and optimal dosing
Lipner SR, Scher RK. J Dermatolog Treat. 2018;29(4):411-414. ↗
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A review of biotin for hair and nails found 18 reported cases, all in patients with an underlying pathology for poor hair or nail growth; the authors concluded that biotin may help in biotin deficiency, brittle nail syndrome or uncombable hair, but that evidence for supplementation in healthy people is insufficient
Patel DP et al. Skin Appendage Disord. 2017;3(3):166-169. ↗
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A review of oral biotin for hair growth found three studies; the double-blind, placebo-controlled study found no difference between biotin and placebo, and the other two were in specific groups (isotretinoin users; women after sleeve gastrectomy) and had a risk of bias; the authors concluded that biotin as a hair supplement is not supported by high-quality studies
Yelich A et al. J Clin Aesthet Dermatol. 2024;17(8):56-61. ↗
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In 15 patients with alopecia areata and low serum zinc, 12 weeks of oral zinc gluconate (50 mg a day) was followed by hair regrowth in 9 (66.7%), a result that was not statistically significant; the authors suggested zinc could be an adjuvant therapy for patients with low zinc
Park H et al. Ann Dermatol. 2009;21(2):142-6. ↗
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A review concluded that vitamins and minerals have a role in the hair follicle cycle and that deficiency may be a modifiable risk factor for hair loss, but that large double-blind placebo-controlled trials are needed to determine the effect of supplementation on hair growth
Almohanna HM et al. Dermatol Ther (Heidelb). 2019;9(1):51-70. ↗
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A review found insufficient evidence to recommend universal screening for iron deficiency in patients with hair loss, and insufficient evidence to recommend iron supplements for patients with hair loss and iron deficiency without anemia; the decision should be based on clinical judgment
Trost LB et al. J Am Acad Dermatol. 2006;54(5):824-44. ↗
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A review noted that normal skin contains high concentrations of vitamin C, which stimulates collagen synthesis and assists antioxidant protection against UV photodamage, and that the efficacy of vitamin C in skin beyond an adequate dietary intake is poorly understood
Pullar JM et al. Nutrients. 2017;9(8):866. ↗
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In a series of 29 patients with liver injury linked to He Shou Wu (fo-ti, Polygonum multiflorum), the main pattern was moderate to severe hepatitis with or without cholestasis; most patients recovered, but one died of liver failure and three had chronic persistent liver injury
Wang Y et al. Liver Int. 2019;39(2):389-400. ↗
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In 6 healthy adults taking 10 mg a day of biotin for 7 days, biotin interference was found in 9 of 23 biotin-streptavidin immunoassays (39%) and in none of 14 assays that do not use biotin; the 11 analytes included thyroid hormones, parathyroid hormone, prolactin, vitamin D, prostate-specific antigen and ferritin, and results were falsely high in some assays and falsely low in others
Li D et al. JAMA. 2017;318(12):1150-1160. ↗
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Biotin above 20 ng/mL can reduce recovery in one troponin T assay and could lead to false-negative results in suspected heart attack. In 850 emergency patients 1 of 797 samples exceeded that level, and the authors (including employees of the assay maker) modelled the risk of a missed heart attack as extremely low
Mumma B et al. Clin Chem Lab Med. 2020;58(11):1931-1940. ↗
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In a trial of 29,133 male smokers in Finland, those given beta-carotene (20 mg a day) had a higher incidence of lung cancer than those who were not (18% higher; 95% CI 3 to 36%)
Alpha-Tocopherol, Beta Carotene Cancer Prevention Study Group. N Engl J Med. 1994;330(15):1029-35. ↗
🔬
In a trial of 18,314 smokers, former smokers and asbestos-exposed workers, beta-carotene (30 mg a day) with vitamin A (25,000 IU a day) was linked to a higher incidence of lung cancer (relative risk 1.28; 95% CI 1.04 to 1.57); the trial was stopped early
Omenn GS et al. N Engl J Med. 1996;334(18):1150-5. ↗
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In 8 healthy adults, calcium carbonate, citrate and acetate (500 mg elemental calcium) each reduced levothyroxine absorption by about 20-25%; the authors advised hypothyroid patients to separate levothyroxine from calcium
Zamfirescu et al. Thyroid. 2011;21(5):483-6. ↗
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A review of vitamin use in chronic kidney disease concluded that routine supplementation of vitamins A and E is not supported because of potential toxicity, and that supplementing water-soluble vitamins should be individualized
Wang AY et al. Am J Kidney Dis. 2024;83(3):370-385. ↗
🔬
A gene review describes hemochromatosis (HFE-related) as increased intestinal iron absorption leading, in clinical disease, to excess iron in the liver, pancreas, heart, skin, joints and pituitary gland
Barton JC, Parker CJ. GeneReviews. Seattle (WA): University of Washington; 1993-2026 (updated 2024). ↗
🔬 All studies referenced are peer-reviewed and published in indexed medical journals. This information is for educational purposes and does not constitute medical advice.

Kasivit Radiant Glow Complex (Hair, Skin and Nails Essentials) is a multivitamin-mineral dietary supplement for adults. The supplier's ingredient list names vitamins A (as beta-carotene), C, D, E, B1, B6, folate, B12, biotin and B5; the minerals calcium, iron, magnesium, zinc, manganese and potassium; and a proprietary blend of PABA, horsetail extract, fo-ti, bamboo extract, stinging nettle, Chinese peony, spirulina, saw palmetto, plant sterols, alfalfa and barley grass. It contains iron and soy. In reviews, biotin has been reported to help hair or nails mainly in people with a deficiency or a specific condition, and evidence for healthy people is limited. No study of this product itself is cited on this page, and amounts are on the product label.*

Evidence Rating★★★★★Limited evidence · Biotin has been reported to help hair or nails mainly in people with a deficiency or specific condition; evidence in healthy people is limited and no study of this product is cited

✓ Third-party tested  ·  GMP-certified manufacturing facility (NSF International)  ·  See testing standards ›

Ingredients: Vitamin A (as Beta-carotene), Vitamin C (as Ascorbic Acid), Vitamin D (as Cholecalciferol), Vitamin E (as DL-Alpha tocopheryl acetate), Thiamine (B1)(as Thiamine mononitrate), Vitamin B6 (as Pyridoxine HCL), Folate, Vitamin B12 (as Cyanocobalamin), Biotin, Pantothenic Acid (B5)(as D-Calcium pantothenate), Calcium (as Calcium Carbonate), Iron (as Ferrous fumarate), Magnesium (as Magnesium Oxide), Zinc (as Zinc Oxide), Manganese (as Manganese amino acid chelate), Potassium (as Potassium gluconate), Proprietary Blend (PABA, Horsetail extract, Fo-Ti, Bamboo extract, Stinging Nettle, Chinese Peony, Spirulina, Saw palmetto, Plant sterols, Alfalfa, Barley grass), Cellulose (vegetable capsule), Rice Flour, Magnesium Stearate, Silicon dioxide.

Contains: Soy.

Science behind this product

Biotin & Brittle Nails

A review found that clinical trials showed improvement in firmness, hardness and thickness of brittle nails with oral biotin, and that larger controlled trials are needed to determine efficacy and dosing.

Source

Biotin & Hair

A review of case reports and trials found that biotin improved hair or nails in patients who had an underlying pathology or biotin deficiency, and concluded that evidence supporting biotin for healthy people is lacking. A 2024 review found only three studies of oral biotin for hair growth; the placebo-controlled study found no difference from placebo.

Source · Source

Zinc & Alopecia Areata

In a 12-week study of 15 people with alopecia areata and low blood zinc, 9 had hair regrowth after zinc gluconate 50 mg a day, but the result was not statistically significant. The authors suggested zinc could be an adjuvant therapy in people with low zinc.

Source

Vitamins, Minerals & Hair Loss

A review found that vitamins and minerals play a role in the hair cycle and that a deficiency may be a modifiable risk factor for hair loss, but that large placebo-controlled trials are needed to show the effect of supplementation on hair growth.

Source

No study of Kasivit Radiant Glow Complex itself is cited on this page.

Manufacturer Country: USA

Product Amount: 60 caps

Gross Weight: 0.25lb (113g)

Suggested Use: For adults only. Take two (2) capsules a day with food. Do not take this supplement within one hour of taking medications. Do not exceed the recommended dose.

Caution: Pregnant or lactating women and anyone taking medications should consult a healthcare professional before using any nutritional product. If any adverse reactions occur, discontinue use and consult a healthcare professional.

Iron Warning: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under six (6). In case of accidental overdose, call a doctor or poison control center immediately.

Warning: Keep out of reach of children. Do not use if the safety seal is damaged or missing. Store in a cool, dry place.

The Food and Drug Administration has not evaluated these statements. This product is not intended to diagnose, treat, cure or prevent any disease.

Gluten-free Lactose-free Hormone-free

Questions

Frequently Asked Questions