Biotin
Biotin is an integral component of several enzymes (carboxylases) involved in key metabolic pathways within the body. These enzymes are vital for gluconeogenesis (the creation of glucose), fatty acid synthesis, and the breakdown of certain amino acids. This makes biotin fundamental for energy production and nutrient utilization at a cellular level. Beyond its metabolic functions, biotin is often celebrated for its dermatological benefits. It contributes to the health and integrity of skin, hair, and nails by supporting the production of keratin, a primary protein in these tissues. Adequate biotin intake can help improve brittle nails, strengthen hair, and maintain healthy skin. Furthermore, biotin supports nervous system function and plays a role in gene regulation and cell signaling. While deficiencies are rare in healthy individuals, supplementation can be beneficial for specific conditions or to address inadequate dietary intake.
Egg yolksOrgan meats (liver, kidney)Nuts (almonds, peanuts, walnuts)Seeds (sunflower seeds)Sweet potatoesMushroomsAvocadosBroccoliYeastDairy products (milk, cheese)
Cheapest Biotin supplements
Compare the cheapest Biotin vitamins designed to support hair health, nail strength, skin radiance, and a boosted metabolism, helping you find the best value for your wellness goals.
Best Biotin supplements
Discover the best Biotin supplements for enhancing hair, nail, and skin health, plus boosting your metabolism.
Value Biotin supplements
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RDA (Men)30 mcg
RDA (Women)30 mcg
RDI30 mcg
Minimum100 mcg
Maximum500 mcg
Toxicity Threshold10000 mcg
Toxicity Effectno known toxicity
Impact
Highest effect
Typical dose:1000–5000 mcg
Biotin (Vitamin B7) is a cornerstone of hair health due to its role in the body's keratin infrastructure. While true deficiency is rare, supplementation can help improve hair quality, thickness, and strength, especially in individuals with suboptimal levels.
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Impact
Highest effect
Biotin (Vitamin B7) is essential for the function of carboxylase enzymes, which are vital for gluconeogenesis (creating glucose for energy) and the metabolism of both fatty acids and branched-chain amino acids. It is a key piece of the body's core metabolic machinery.
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Impact
Highest effect
Typical dose:2500–5000 mcg
Biotin (Vitamin B7) is a crucial coenzyme in the synthesis of keratin, the primary protein that makes up nails. Supplementation has been shown in multiple studies to improve nail firmness, hardness, and thickness, particularly in individuals with brittle nails.
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Impact
Situational effect
Biotin (Vitamin B7) is an essential cofactor for enzymes vital for healthy skin cells. Supplementation is most effective for individuals with a deficiency, which can manifest as dermatitis. For those with adequate dietary intake, its benefit is supportive rather than primary.
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add_circle_outline Positive Interactions
Vitamin B6
Works synergistically with Vitamin B6 and other B vitamins in metabolic pathways.
Vitamin B12
Collaborates with Vitamin B12 and other B vitamins in energy metabolism.
Folate
Functions alongside Folate and other B vitamins in essential enzymatic reactions.
Niacin
Contributes to overall B-vitamin complex functions with Niacin and others for optimal metabolism.
Riboflavin
Supports various metabolic processes in conjunction with Riboflavin and other B vitamins.
Thiamin
Enhances overall B-vitamin dependent metabolic activities when combined with Thiamin.
Vitamin B5
Participates in shared metabolic roles with Vitamin B5, contributing to energy production.
Zinc
Both are crucial for skin, hair, and nail health, potentially enhancing structural integrity when taken together.
Collagen
Biotin supports the body's natural production of collagen and keratin, reinforcing structural components of hair, skin, and nails.
Keratin
Essential for the synthesis and maintenance of keratin, the primary protein in hair, skin, and nails.
Sulfur
Biotin contains sulfur and is involved in sulfur metabolism, which is vital for the structure of keratin and collagen.
78 Best 
Biotin 10000 mcg
Natural Factors
4.8
★★★★★
(1611 ratings)
Biotin: 10000 mcg
A high-potency 10,000 mcg biotin capsule from Natural Factors, providing focused support for hair, skin, and nails from a respected brand.
76 Best 
Biotin 5000 mcg
AN Amazing Nutrition Amazing Formulas
4.5
★★★★★
(37 ratings)
Biotin: 5000 mcg
A high-value AN Amazing Nutrition biotin capsule, delivering 5,000 mcg of biotin in a large 200-count bottle for economical, long-term hair, skin, and nail support.
85 Best 
Biotin 5000 mcg
Spring Valley
4.7
★★★★★
(2119 ratings)
Biotin: 5000 mcg
A high-value Spring Valley biotin softgel, delivering 5,000 mcg of D-Biotin for strong hair, skin, and nail support at a very economical price.
90 Best 
Biotin 10000 mcg
Best Naturals
4.7
★★★★★
(244 ratings)
Biotin: 10000 mcg
An extremely cost-effective capsule providing a massive 10000 mcg dose of biotin, ideal for budget-conscious individuals seeking maximum beauty support.
65 Budget 
Children's Multivitamin Gummies
Equate
4.7
★★★★★
(2776 ratings)
Biotin: 38 mcg
This product is a practical, palatable multivitamin gummy for children, offering basic daily nutritional support in an easy-to-consume format.
89 Best 
Biotin 15000 mcg
AN Amazing Nutrition Amazing Formulas
4.8
★★★★★
(20 ratings)
Biotin: 15000 mcg
An incredibly high 15000 mcg Biotin capsule at an exceptionally low price, offering potent support for hair, nails, skin, and metabolism.
70 Value 
One Daily Women's
21st Century
4.7
★★★★★
(34510 ratings)
Biotin: 1000 mcg
This women's multivitamin offers a comprehensive, budget-friendly blend of essential vitamins and minerals, including a high dose of Biotin, to support daily health and specific needs like hair and nail wellness.
68 Value 
One Daily Men's Health
Equate
4.7
★★★★★
(2147 ratings)
Biotin: 75 mcg
This is a comprehensive and budget-friendly multivitamin for men, providing a wide array of essential vitamins and minerals for daily nutritional support.
92 Value 
Biotin 5000 mcg
Swanson
4.8
★★★★★
(9026 ratings)
Biotin: 5000 mcg
An extremely affordable capsule delivering a high 5000 mcg dose of biotin, making it an excellent value for focused hair, skin, and nail support.
77 Budget 
Biotin 600 mcg
Life Extension
4.7
★★★★★
(7970 ratings)
Biotin: 600 mcg
A cost-effective and moderate-dose biotin supplement from Life Extension, suitable for daily foundational support of hair, skin, and nails.
70 Budget 
B-50 Complex
21st Century
4.7
★★★★★
(8505 ratings)
Biotin: 50 mcg
<p>This B-50 Complex provides a diverse set of B vitamins at a 50mg/mcg level for daily wellness, along with added calcium for bone support, all in a very affordable tablet form.</p>
78 Best 
Biotin 1000 mcg
Nature's Bounty
4.7
★★★★★
(4889 ratings)
Biotin: 1000 mcg
A very affordable Nature's Bounty biotin tablet offering 1,000 mcg of D-Biotin, ideal for daily maintenance and budget-conscious users.
80 Best 
Biotin 10000 mcg
The Vitamin Shoppe
4.8
★★★★★
(110 ratings)
Biotin: 10000 mcg
A high-potency 10,000 mcg D-Biotin capsule from The Vitamin Shoppe, offering strong value for those seeking robust support.
88 Best 
Biotin 10000 mcg
California Gold Nutrition
4.7
★★★★★
(30249 ratings)
Biotin: 10000 mcg
A highly potent 10,000 mcg D-Biotin softgel from California Gold Nutrition, offering exceptional value and immense popularity for comprehensive hair, skin, and nail support.
85 Value 
Biotin 10000 mcg
Spring Valley
4.8
★★★★★
(3922 ratings)
Biotin: 10000 mcg
A high-potency 10,000 mcg D-Biotin softgel from Spring Valley, offering great value and a generous supply for comprehensive hair, skin, and nail support.
82 Best 
Hair
Codeage
4.5
★★★★★
(5312 ratings)
Biotin: 10000 mcg
A comprehensive daily supplement packed with numerous vitamins, minerals, omegas, and blends targeting hair, skin, and nail health, alongside general wellness support.
68 Budget 
Daily Vits
NOW
4.7
★★★★★
(11036 ratings)
Biotin: 300 mcg
This multivitamin is a convenient, basic option covering fundamental vitamin needs with some well-absorbed minerals, although doses for key minerals like calcium and magnesium are quite low.
82 Best 
Ultra Biotin 10000 mcg Drop ins Natural Mixed Berry Flavor
KAL
4.5
★★★★★
(4470 ratings)
Biotin: 10000 mcg
A high-potency 10,000 mcg biotin liquid 'drop-ins' from KAL, featuring a natural mixed berry flavor for easy and flexible daily supplementation.
78 Value 
Biotin 10000 mcg
AN Amazing Nutrition Amazing Formulas
4.6
★★★★★
(5940 ratings)
Biotin: 10000 mcg
A 200-count bottle of 10000 mcg biotin capsules, offering high-strength support for beauty and metabolism at an economical price.
No image
Extra Strength Hair Skin & Nails
Nature's Bounty Optimal Solutions
4.7
★★★★★
(69 ratings)
Biotin: 5000 mcg
This supplement provides a comprehensive mix of high-dose biotin, essential vitamins, and minerals, plus supporting beauty ingredients like collagen and hyaluronic acid, all aimed at enhancing hair, skin, and nail health.
75 Value 
One Daily Women's Health
Equate
4.7
★★★★★
(5571 ratings)
Biotin: 300 mcg
This multivitamin provides essential vitamins and minerals in a convenient daily tablet, formulated to help meet the general nutritional needs of women.
88 Value 
Biotin 5000 mcg
Spring Valley
4.8
★★★★★
(1191 ratings)
Biotin: 5000 mcg
An exceptionally high-value Spring Valley biotin softgel, providing 5,000 mcg of D-Biotin in a massive 240-serving bottle for long-term, economical support.
75 Budget 
Biotin 10000 mcg
Lake Avenue Nutrition
4.7
★★★★★
(2662 ratings)
Biotin: 10000 mcg
A high-potency 10,000 mcg biotin capsule from Lake Avenue Nutrition, offering exceptional value with a very low price per serving.
78 Value 
Biotin 10000 mcg
21st Century
4.7
★★★★★
(48531 ratings)
Biotin: 10000 mcg
A very high-dose 10000 mcg biotin tablet with added calcium, offering maximum beauty and metabolic support at a highly economical price.
88 Budget 
Women's Multivitamin Gummies with Collagen 50 mg Raspberry Flavored
Nature's Bounty Optimal Solutions
4.6
★★★★★
(1555 ratings)
Biotin: 600 mcg
This Nature's Bounty gummy provides a well-rounded multivitamin for women, featuring essential nutrients, biotin, and a small amount of collagen, all at an excellent, budget-friendly price point.
Average$29.19
Median$24.19
Average$0.72
Median$0.51
Average$0.50
Median$0.28
Reference amount: 100 mcg
D-Biotin is the stereoisomer of biotin that exhibits full vitamin activity. It acts as a coenzyme for carboxylase enzymes involved in fatty acid synthesis, gluconeogenesis, and amino acid metabolism. This highly bioavailable form is widely used in supplements for its role in supporting healthy hair, skin, and nails, and correcting biotin deficiencies.
- Highly bioavailable and active form
- Well-researched and widely used in supplements
- Effective for addressing biotin deficiency
- High doses can interfere with certain laboratory tests (e.g., thyroid function, troponin levels)
- Benefits for hair, skin, and nails are most pronounced in deficient individuals
Avg$25.16
Med$19.99
Avg$0.75
Med$0.38
Avg$0.43
Med$0.23
Price distribution
Biotin, also known as Vitamin B7, is a coenzyme for several carboxylase enzymes vital for key metabolic processes. These include gluconeogenesis (glucose production), fatty acid synthesis, and amino acid catabolism. It is commonly found in dietary supplements to support general health and is particularly recognized for its role in maintaining healthy hair, skin, and nails.
- Essential nutrient for overall health
- Supports multiple vital metabolic functions
- Widely available and recognized
- High doses can interfere with certain laboratory tests
- Benefits for non-deficient individuals, particularly for hair, skin, and nails, can vary
Avg$35.21
Med$30.99
Avg$0.77
Med$0.87
Avg$0.51
Med$0.35
Price distribution
This form of biotin is derived from a mix of organic fruits, vegetables, or other plant-based ingredients known to naturally contain biotin. The biotin is present within its natural food matrix, which may enhance absorption and provides additional synergistic nutrients and phytonutrients found in whole foods. The exact biotin content can vary depending on the specific ingredients in the blend.
- Whole-food, natural source of biotin
- Provides additional vitamins, minerals, and phytonutrients
- May offer enhanced absorption due to food matrix
- Biotin concentration can be variable and generally lower than isolated forms
- May be less effective for targeted, high-dose biotin supplementation
- Cost can be higher than synthetic forms
Avg$37.82
Med$34.84
Avg$0.79
Med$0.79
Avg$0.57
Med$0.54
Price distribution
Brown rice is a whole grain that provides a modest amount of naturally occurring biotin, alongside other B vitamins, fiber, and essential minerals. As a dietary component, it helps contribute to overall nutrient intake but is not considered a primary or concentrated source for therapeutic biotin supplementation. The biotin present is typically in bound forms within the grain matrix.
- Natural dietary source of biotin
- Provides fiber and other beneficial nutrients
- Generally well-tolerated and a staple food
- Very low biotin concentration for targeted effects
- Not suitable for addressing biotin deficiency through supplementation alone
- Biotin content can vary
Avg$47.87
Med$44.44
Avg$0.82
Med$0.85
Avg$0.48
Med$0.38
Price distribution
Organic brown rice is a whole grain grown without synthetic pesticides, herbicides, or fertilizers, providing a modest amount of naturally occurring biotin. Like conventional brown rice, it contributes to overall nutrient intake and offers fiber, but it is not a concentrated source for targeted biotin supplementation. The biotin is typically in bound forms within the grain's matrix.
- Natural, organic dietary source of biotin
- Provides fiber and other beneficial nutrients
- Free from synthetic pesticides and fertilizers
- Very low biotin concentration for targeted effects
- Not suitable for addressing biotin deficiency through supplementation alone
- Biotin content can vary
Avg$39.61
Med$29.99
Avg$0.84
Med$0.89
Avg$0.87
Med$0.86
Price distribution
This form involves biotin naturally synthesized and incorporated into the cellular matrix of *Saccharomyces cerevisiae*, commonly known as yeast. Often referred to as 'food-grown' or 'yeast-bound' biotin, it is presented in a complex with other B vitamins and nutrients naturally found in yeast. Some believe this food-matrix delivery enhances bioavailability and absorption compared to synthetic, isolated forms.
- Food-matrix form, potentially enhanced bioavailability
- Provides other naturally occurring B vitamins and nutrients from yeast
- Natural and often preferred for whole-food supplementation
- May contain residual yeast components, which could be an issue for individuals with yeast sensitivities or allergies
- Biotin concentration can vary between different yeast products
Avg$31.26
Med$28.51
Avg$0.97
Med$1.06
Avg$0.07
Med$0.03
Price distribution
Vitamin B7 is the alternate nomenclature for Biotin, an indispensable nutrient that functions as a coenzyme for several carboxylase enzymes. These enzymes are fundamental to critical metabolic pathways, including fatty acid synthesis, gluconeogenesis, and the catabolism of amino acids. As a dietary supplement, Vitamin B7 is frequently utilized to support the health of hair, skin, and nails, and to ensure proper metabolic function.
- Essential nutrient for overall bodily function
- Supports multiple vital metabolic processes
- Commonly found and recognized in supplements
- High doses can interfere with certain laboratory tests
- Effectiveness for non-deficient individuals may be less pronounced
Avg$16.63
Med$17.90
Avg$0.21
Med$0.19
Avg$0.01
Med$0.01
Price distribution
PANMOL B-COMPLEX is a branded ingredient that delivers a comprehensive spectrum of B vitamins, including biotin, derived from the sprouts of organic quinoa. The B vitamins are naturally concentrated within the quinoa matrix, which is believed to enhance their bioavailability and provide synergistic benefits from other phytonutrients present in the sprouts. This form is often chosen for its whole-food, natural origin.
- Natural, whole-food source of biotin and other B vitamins
- Potentially high bioavailability due to food matrix
- Branded and quality-controlled ingredient
- Branded ingredient may be more expensive
- Specific biotin concentration can vary by product formulation
- Individuals with quinoa allergies should avoid
Avg$38.85
Med$29.79
Avg$0.95
Med$0.95
Avg$0.30
Med$0.30
Price distribution
This form of biotin is derived from the leaves of the organic *Sesbania grandiflora* plant, also known as the 'agathi' tree. It provides biotin within a natural plant-based food matrix, alongside other naturally occurring cofactors and phytonutrients. This source is often preferred by consumers seeking organic, vegan, and whole-food derived vitamins, believed to offer enhanced bioavailability.
- Natural, organic, and plant-based source of biotin
- Whole-food form, potentially enhancing absorption
- Provides additional phytonutrients from the plant extract
- Biotin concentration can vary between different extracts
- May be less standardized than synthetic forms
- Availability might be limited compared to more common forms
Avg$25.89
Med$25.89
Avg$1.29
Med$1.29
Avg$0.26
Med$0.26
Price distribution
Dicalcium Phosphate (DCP) is an inorganic salt utilized mainly as a dietary supplement for calcium and phosphorus, or more commonly, as an excipient in pharmaceutical and nutritional tablets and capsules. It functions as a diluent, binder, or disintegrant, aiding in the manufacturing process and ensuring product stability. Dicalcium Phosphate does not contain biotin and offers no biotin-specific physiological effects; its presence in a biotin supplement serves purely a structural or mineral-providing role.
- Safe and stable excipient in supplement formulations
- Provides elemental calcium and phosphorus if absorbed
- Widely used and recognized in the industry
- Is not a form of biotin and offers no biotin-related benefits
- Its purpose is typically structural or for mineral content, not active vitamin delivery
Avg$10.78
Med$10.78
Avg$0.17
Med$0.17
Avg$0.03
Med$0.03
Price distribution