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21st Century Biotin 5000 mcg 110 Capsules
21st Century Biotin 5000 mcg 110 Capsules
21st Century Biotin 5000 mcg 110 Capsules
21st Century Biotin 5000 mcg 110 Capsules
21st Century Biotin 5000 mcg 110 Capsules

21st Century Biotin 5000 mcg 110 Capsules

(4,564 reviews)

Maximum Strength Biotin 5,000 mcg 110 Caps - Biotin is an essential nutrient in the B vitamin complex. 21st Century Maximum Strength Biotin provides 5,000 mcg of biotin per serving. Biotin aids in cell growth and the production of fatty acids. It needed for the normal metabolism of carbohydrates, proteins and fats. No added sugar, salt, yeast, preservatives, artificial flavors or colors.

Maximum Strength Biotin 5,000 mcg 110 Caps - Biotin is an essential nutrient in the B vitamin complex. 21st Century Maximum Strength Biotin provides 5,000 mcg of biotin per serving. Biotin aids in cell growth and the production of fatty acids. It needed for the normal metabolism of carbohydrates, proteins and fats. No added sugar, salt, yeast, preservatives, artificial flavors or colors.

$13.17 - $62.28

in 3 offers

The lowest price for 21st Century Biotin 5000 mcg 110 Capsules right now is $13.17 at iHerb, compared across 3 retailers.

The all-time low was $6.28 on 16 Nov 2024 — today's price is 110% above the lowest ever. It has been notably cheaper before — worth setting a price alert.

Prices last updated 13 Sept 2026.

21st Century Biotin 5000 mcg 110 Capsules

$13.17

(4,564 reviews)

Maximum Strength Biotin 5,000 mcg 110 Caps - Biotin is an essential nutrient in the B vitamin complex. 21st Century Maximum Strength Biotin provides 5,000 mcg of biotin per serving. Biotin aids in cell growth and the production of fatty acids. It needed for the normal metabolism of carbohydrates, proteins and fats. No added sugar, salt, yeast, preservatives, artificial flavors or colors.

Maximum Strength Biotin 5,000 mcg 110 Caps - Biotin is an essential nutrient in the B vitamin complex. 21st Century Maximum Strength Biotin provides 5,000 mcg of biotin per serving. Biotin aids in cell growth and the production of fatty acids. It needed for the normal metabolism of carbohydrates, proteins and fats. No added sugar, salt, yeast, preservatives, artificial flavors or colors.

Price comparison

Price data powered by pricesAPI.io

Last updated at 13/09/2026 03:13:44

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
https://www.google.com/s2/favicons?domain=amazon.com.au&sz=64Amazon.com.au

$23.99

21st Century Biotin 5000 mcg Capsules, 110 Count

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

https://www.google.com/s2/favicons?domain=au.iherb.com&sz=64iHerb

$13.17

21st Century, Biotin, 5,000 mcg, 110 Capsules

Delivery $40

https://www.google.com/s2/favicons?domain=gosupps.com&sz=64GoSupps.com

$62.28

21st Century Biotin 5000 mcg Capsules 2 Count 220 Count (Pack of 1)

Delivery between 15–26 Sept $27.67

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Reviews

Excellent!
7 July 2023iHerb Customer

originally posted on iherb.com

I have been using 21st Century Biotin for a while now, and I am incredibly pleased with the results. This high-quality supplement has become an essential part of my daily routine, providing me with numerous benefits for my hair, skin, and nails.One of the standout features of this product is its potency. Each capsule contains 5,000 mcg of biotin, a B-vitamin that is known for its role in promoting healthy hair, skin, and nails. Biotin plays a crucial role in supporting the body's natural processes of keratin production, which is essential for strong and lustrous hair, vibrant skin, and strong nails. Since incorporating this supplement into my routine, I have noticed a remarkable improvement in the health and appearance of my hair, skin, and nails.I appreciate ...Ā MoreI have been using 21st Century Biotin for a while now, and I am incredibly pleased with the results. This high-quality supplement has become an essential part of my daily routine, providing me with numerous benefits for my hair, skin, and nails.One of the standout features of this product is its potency. Each capsule contains 5,000 mcg of biotin, a B-vitamin that is known for its role in promoting healthy hair, skin, and nails. Biotin plays a crucial role in supporting the body's natural processes of keratin production, which is essential for strong and lustrous hair, vibrant skin, and strong nails. Since incorporating this supplement into my routine, I have noticed a remarkable improvement in the health and appearance of my hair, skin, and nails.I appreciate that 21st Century prioritizes quality in their products. The biotin used in this supplement is of the highest quality and undergoes rigorous testing to ensure purity and potency. This commitment to quality and safety gives me confidence that I am receiving the maximum benefits from each capsule.The convenience of the 110 capsules per bottle is worth mentioning as well. It provides a generous supply that lasts for a significant period, eliminating the need for frequent reordering. The packaging is also well-designed, ensuring the capsules remain fresh and protected until they are consumed.Another aspect that I find impressive about this product is its gentle nature. I haven't experienced any adverse side effects or digestive discomfort since I started taking 21st Century Biotin. It is well-tolerated and compatible with my body, allowing me to enjoy the benefits without any concerns.In terms of value for money, 21st Century Biotin offers an excellent deal. The high potency, premium quality, and generous quantity make it a cost-effective option for supporting hair, skin, and nail health. The positive impact I have experienced in terms of improved hair strength and growth, vibrant skin, and stronger nails make it a worthwhile investment in my overall appearance and confidence.To conclude, I highly recommend 21st Century Biotin, 5,000 mcg, 110 Capsules to anyone looking to support their hair, skin, and nail health. Its potency, quality, and convenience make it a standout supplement. Since incorporating it into my routine, I have noticed significant improvements in the health and appearance of my hair, skin, and nails. With 21st Century's commitment to quality and safety, you can trust that you are giving your body the best support for healthy hair, skin, and nails. Give it a try and experience the benefits for yourself!

Good for hair, skin and nails support
2 June 2023iHerb Customer

originally posted on iherb.com

21st Century Biotin 5000mcg is a fantastic supplement that I have been using for some time now, and I am impressed with the results it has delivered. Biotin, also known as vitamin B7, is well-known for its benefits for hair, skin, and nails, and this product lives up to its promises.One of the standout features of 21st Century Biotin is its high potency. With a dosage of 5000mcg per capsule, it provides a substantial amount of biotin to support healthy hair, skin, and nails. This higher dosage is particularly beneficial for individuals with specific concerns or who may have a deficiency in biotin.I have experienced positive changes in my hair and nails since incorporating 21st Century Biotin into my daily routine. My hair feels thicker and more vibrant, and my ...Ā More21st Century Biotin 5000mcg is a fantastic supplement that I have been using for some time now, and I am impressed with the results it has delivered. Biotin, also known as vitamin B7, is well-known for its benefits for hair, skin, and nails, and this product lives up to its promises.One of the standout features of 21st Century Biotin is its high potency. With a dosage of 5000mcg per capsule, it provides a substantial amount of biotin to support healthy hair, skin, and nails. This higher dosage is particularly beneficial for individuals with specific concerns or who may have a deficiency in biotin.I have experienced positive changes in my hair and nails since incorporating 21st Century Biotin into my daily routine. My hair feels thicker and more vibrant, and my nails have become stronger and less prone to breakage. Additionally, I noticed an improvement in the overall condition of my skin, with a healthier and more radiant appearance.The capsules are easy to swallow, and the recommended dosage is straightforward, making it convenient to incorporate into my daily supplement regimen. The product is also free from common allergens like gluten, soy, and dairy, a bonus for those with dietary restrictions or sensitivities.Furthermore, I appreciate that 21st Century is a reputable brand known for its commitment to quality and safety. The product undergoes rigorous testing to ensure its potency and purity, providing peace of mind for consumers.It is important to note that individual results may vary, and it is always advisable to consult with a healthcare professional before starting any new supplement. Biotin supplements are generally safe when taken within the recommended dosage, but it is essential to follow the instructions and not exceed the recommended intake.Overall, I highly recommend 21st Century Biotin 5000mcg to individuals looking to improve the health and appearance of their hair, skin, and nails. Its high potency, convenience, and trusted brand make it a reliable choice. Try this supplement and enjoy its potential benefits for your beauty and wellness routine.

Great quality, nice results
13 July 2023iHerb Customer

originally posted on iherb.com

I recently started taking biotin supplements from iHerb, and I'm amazed by the positive impact they have had on my overall well-being. Not only has my hair become noticeably healthier and stronger, but my nails have also become more resilient. I appreciate the high-quality formulation of iHerb's biotin supplements, which provide the perfect dosage to support my body's needs. I highly recommend these supplements to anyone looking to improve the health of their hair, skin, and nails. Thank you, iHerb, for offering such a fantastic product!

Specification

General
Units in Package110
DirectionsTake one (1) capsule daily with any meal for maximum daily results, or as directed by your healthcare provider. Do not exceed recommended dosage.
IngredientsOther Ingredients: Cellulose, Gelatin, Stearic Acid, Magnesium Silicate, Magnesium Stearate.
WarningsKeep out of reach of children. Do not use if product appears to be tampered with or seal is broken. Store at room temperature.

Price comparison

Updated 1 day ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
https://www.google.com/s2/favicons?domain=amazon.com.au&sz=64
Amazon.com.au

$23.99

21st Century Biotin 5000 mcg Capsules, 110 Count

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

https://www.google.com/s2/favicons?domain=au.iherb.com&sz=64
iHerb

$13.17

21st Century, Biotin, 5,000 mcg, 110 Capsules

Delivery $40

https://www.google.com/s2/favicons?domain=gosupps.com&sz=64
GoSupps.com

$62.28

21st Century Biotin 5000 mcg Capsules 2 Count 220 Count (Pack of 1)

Delivery between 15–26 Sept $27.67

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Reviews

Excellent!
7 July 2023

I have been using 21st Century Biotin for a while now, and I am incredibly pleased with the results. This high-quality supplement has become an essential part of my daily routine, providing me with numerous benefits for my hair, skin, and nails.One of the standout features of this product is its potency. Each capsule contains 5,000 mcg of biotin, a B-vitamin that is known for its role in promoting healthy hair, skin, and nails. Biotin plays a crucial role in supporting the body's natural processes of keratin production, which is essential for strong and lustrous hair, vibrant skin, and strong nails. Since incorporating this supplement into my routine, I have noticed a remarkable improvement in the health and appearance of my hair, skin, and nails.I appreciate ...Ā MoreI have been using 21st Century Biotin for a while now, and I am incredibly pleased with the results. This high-quality supplement has become an essential part of my daily routine, providing me with numerous benefits for my hair, skin, and nails.One of the standout features of this product is its potency. Each capsule contains 5,000 mcg of biotin, a B-vitamin that is known for its role in promoting healthy hair, skin, and nails. Biotin plays a crucial role in supporting the body's natural processes of keratin production, which is essential for strong and lustrous hair, vibrant skin, and strong nails. Since incorporating this supplement into my routine, I have noticed a remarkable improvement in the health and appearance of my hair, skin, and nails.I appreciate that 21st Century prioritizes quality in their products. The biotin used in this supplement is of the highest quality and undergoes rigorous testing to ensure purity and potency. This commitment to quality and safety gives me confidence that I am receiving the maximum benefits from each capsule.The convenience of the 110 capsules per bottle is worth mentioning as well. It provides a generous supply that lasts for a significant period, eliminating the need for frequent reordering. The packaging is also well-designed, ensuring the capsules remain fresh and protected until they are consumed.Another aspect that I find impressive about this product is its gentle nature. I haven't experienced any adverse side effects or digestive discomfort since I started taking 21st Century Biotin. It is well-tolerated and compatible with my body, allowing me to enjoy the benefits without any concerns.In terms of value for money, 21st Century Biotin offers an excellent deal. The high potency, premium quality, and generous quantity make it a cost-effective option for supporting hair, skin, and nail health. The positive impact I have experienced in terms of improved hair strength and growth, vibrant skin, and stronger nails make it a worthwhile investment in my overall appearance and confidence.To conclude, I highly recommend 21st Century Biotin, 5,000 mcg, 110 Capsules to anyone looking to support their hair, skin, and nail health. Its potency, quality, and convenience make it a standout supplement. Since incorporating it into my routine, I have noticed significant improvements in the health and appearance of my hair, skin, and nails. With 21st Century's commitment to quality and safety, you can trust that you are giving your body the best support for healthy hair, skin, and nails. Give it a try and experience the benefits for yourself!

iHerb Customer originally posted on iherb.com
Good for hair, skin and nails support
2 June 2023

21st Century Biotin 5000mcg is a fantastic supplement that I have been using for some time now, and I am impressed with the results it has delivered. Biotin, also known as vitamin B7, is well-known for its benefits for hair, skin, and nails, and this product lives up to its promises.One of the standout features of 21st Century Biotin is its high potency. With a dosage of 5000mcg per capsule, it provides a substantial amount of biotin to support healthy hair, skin, and nails. This higher dosage is particularly beneficial for individuals with specific concerns or who may have a deficiency in biotin.I have experienced positive changes in my hair and nails since incorporating 21st Century Biotin into my daily routine. My hair feels thicker and more vibrant, and my ...Ā More21st Century Biotin 5000mcg is a fantastic supplement that I have been using for some time now, and I am impressed with the results it has delivered. Biotin, also known as vitamin B7, is well-known for its benefits for hair, skin, and nails, and this product lives up to its promises.One of the standout features of 21st Century Biotin is its high potency. With a dosage of 5000mcg per capsule, it provides a substantial amount of biotin to support healthy hair, skin, and nails. This higher dosage is particularly beneficial for individuals with specific concerns or who may have a deficiency in biotin.I have experienced positive changes in my hair and nails since incorporating 21st Century Biotin into my daily routine. My hair feels thicker and more vibrant, and my nails have become stronger and less prone to breakage. Additionally, I noticed an improvement in the overall condition of my skin, with a healthier and more radiant appearance.The capsules are easy to swallow, and the recommended dosage is straightforward, making it convenient to incorporate into my daily supplement regimen. The product is also free from common allergens like gluten, soy, and dairy, a bonus for those with dietary restrictions or sensitivities.Furthermore, I appreciate that 21st Century is a reputable brand known for its commitment to quality and safety. The product undergoes rigorous testing to ensure its potency and purity, providing peace of mind for consumers.It is important to note that individual results may vary, and it is always advisable to consult with a healthcare professional before starting any new supplement. Biotin supplements are generally safe when taken within the recommended dosage, but it is essential to follow the instructions and not exceed the recommended intake.Overall, I highly recommend 21st Century Biotin 5000mcg to individuals looking to improve the health and appearance of their hair, skin, and nails. Its high potency, convenience, and trusted brand make it a reliable choice. Try this supplement and enjoy its potential benefits for your beauty and wellness routine.

iHerb Customer originally posted on iherb.com
Great quality, nice results
13 July 2023

I recently started taking biotin supplements from iHerb, and I'm amazed by the positive impact they have had on my overall well-being. Not only has my hair become noticeably healthier and stronger, but my nails have also become more resilient. I appreciate the high-quality formulation of iHerb's biotin supplements, which provide the perfect dosage to support my body's needs. I highly recommend these supplements to anyone looking to improve the health of their hair, skin, and nails. Thank you, iHerb, for offering such a fantastic product!

iHerb Customer originally posted on iherb.com
Not satisfied
26 September 2022

Good to have have for winter time!READ BELLOW!!I'm a fit girl and try not to overlook vitamin which may have a protective effect against Viruses, according to recent research of it's ingredients and at the same time has no taste.Also it's called vitamin of sun, but during the winter time when there is sun deficiency and there is no sun absorption through the body, you can take one big size package of this vitamins which are highest quality, and not only the immunity but also your bones will be healthy and strong. Regarding dosage, I take as written on package. THUMBS UP if you find this review helpful!!! I’m

iHerb Customer originally posted on iherb.com
So far so good!
17 August 2023

Since I moved to a new country a year ago, I’ve been having hair loss from the shower water. I’ve been taking this biotin for 6 weeks (about half the time before you should start seeing hair loss results) in addition to using a shower head filter. Here’s what I’ve noticed so far:- my hair is generally healthier and growth is super fast- all body hair grows thicker and faster, especially brows and legs- some new baby hairs at the hairline!!- can’t tell if hair fall has reduced yet- scalp is less greasy and I can go an extra day without washing.My hair overall just.. feels nicer. I’m also very acne-prone but haven’t had issues with this.Will update in 6 weeks! I’m very hopeful.

iHerb Customer originally posted on iherb.com
Trustworthy Brand with Good Quality Products
25 October 2023

My dry nails and hair seemed to show some improvement after I took biotin supplements. 21st Century is a reliable brand that produces high-quality products, and the price of biotin is not too expensive. Therefore, it was easy to purchase this biotin supplement. Since I took care of my nails and hair while taking this biotin supplement, it is difficult to say that this improvement came from the supplement alone. Still, I think it helped improve things more than not taking the biotin supplement.

iHerb Customer originally posted on iherb.com
Vitamins are quality, but be careful with the dosage!
21 December 2021

If you don't have a deficiency and the 5000+ dosage is not prescribed by your doctor, take 800mcg or even less.I have been taking it for about two months. Hair has not stopped falling out, but new hair has begun to grow! I also take vitamin D and iron along with biotin, because I am deficient.But after a while, I got a strange rash on some parts of my body. Itching and spots on the side of my left breast and thighs.I suspected Biotin because I had seen reviews of different adverse reactions. After taking the drug off, a few days later everything went away.Definitely a quality product with quality ingredients! I wouldn't underestimate it. Just be careful and don't take large doses without indications.

iHerb Customer originally posted on iherb.com
ok
30 April 2023

21st Century Biotin is a dietary supplement that contains 5,000 mcg (micrograms) of biotin per capsule. Biotin is a B-vitamin that plays an important role in maintaining healthy skin, hair, and nails, as well as supporting energy metabolism and nervous system function. This supplement can help to promote healthy hair growth, improve the strength and quality of nails, and support overall skin health. The bottle contains 110 capsules, providing a 3-month supply of biotin. This product is free from artificial colors and flavors, and is suitable for vegans and vegetarians. As with any supplement, it is recommended to consult with a healthcare professional before use.

iHerb Customer originally posted on iherb.com
ŠŸŃ€ŠµŠŗŃ€Š°ŃŠ½Š¾!
13 May 2023

Biotin 5000 mcg (21 Century) is a preparation based on natural vitamin B7, which helps to restore the body's defenses, normalize blood sugar levels, ensure the proper functioning of the digestive tract, and maintain healthy nails, hair and skin.Good quality, size and package.This biotin is one of the most budget options on iHerb. You need to buy immediately with magnesium, so that the vitamin is fully absorbed by the body.

iHerb Customer originally posted on iherb.com

Specification

General
Units in Package110
DirectionsTake one (1) capsule daily with any meal for maximum daily results, or as directed by your healthcare provider. Do not exceed recommended dosage.
IngredientsOther Ingredients: Cellulose, Gelatin, Stearic Acid, Magnesium Silicate, Magnesium Stearate.
WarningsKeep out of reach of children. Do not use if product appears to be tampered with or seal is broken. Store at room temperature.

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