Page 1 - Reviews - Solgar, Biotin, 300 mcg, 100 Tablets - iHerb
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Customer Ratings & Reviews

100% authenticOur products are sourced directly from brands or authorized distributors.Show more
4.7
Based on 9,502 ratings
7,819
1,103
421
98
61
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What customers say
Customers are highly satisfied with the product, praising its excellent quality and effective packaging. Many users have noticed significant improvements in their skin, hair, and nails, reporting stronger and longer nails, healthier hair growth, and better skin condition. The product is described as easy to swallow and a beneficial addition to daily supplement routines. Quick delivery and affordability are also highlighted. Several customers appreciate the brand Solgar for its reliable products. Overall, the product is recommended for its positive impact on hair loss, nail strength, and skin health.
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Nariman
Posted on Jan 26, 2022
United Arab Emirates
72
224
24
1,607
Verified purchase
My hair & nails became way stronger, hair has noticeable fewer fallouts and nails don't break easily as they used to do. The 300mcg dose is enough and didn't suffer from any acne like I horribly did when I tried to consume the 10,000mcg dose!! Totally recommend it!!! Thumbs up please if my review was helpful! <3
iHerb customer
Posted on Mar 3, 2021
United Arab Emirates
56
2
1
7
Verified purchase
I buy this product because I wanted to try different manufacturers, this dosage is less and the price bit higher compared with others, let’s see the effect later
grannysmith
Posted on Oct 25, 2025
Bosnia and Herzegovina
94
0
0
29
Verified purchase
Solgar Biotin is my secret ally for hair, skin, and nails. The 100-tablet bottle is practical and lasts long enough to see real results. At 300 mcg per tablet, the formula is strong enough to encourage hair growth and strengthen nails. Solgar is my favorite brand, trusted and consistently high-quality. The tablets are easy to swallow and gentle on my stomach. I notice my hair looks shinier and my nails stronger. This is a supplement that genuinely delivers on its promises.
nosrabeauty
Silver
Posted on Aug 31, 2025
Morocco
104
0
2
6
Прекрасно!
Verified purchase
Thank you very much for this product, it suited me, I like the packaging, comfortable and stylish, I will order more of these products, and recommend them to all my friends and relatives! good!!
Ay
Silver
Posted on Apr 9, 2026
Germany
125
0
154
79
Solgar, Biotin, 300 mcg, 100 Tablets
Verified purchase
Biotin with moderate dosage that avoids unnecessary megadosing. Ingredients are generally fine, though it contains dicalcium phosphate as a filler. Tablet size is manageable and daily dosage is appropriate for basic hair, skin and nail support. Benefit is steady metabolic and cosmetic support without overloading the system. A safe, conservative option with solid but not exceptional formulation.
iHerbLebanon
Silver
Posted on Dec 21, 2025
United States
270
18
0
13
good quality
Verified purchase
good quality Biotin, also known as vitamin B7, is a B vitamin that helps the body convert food into energy. It's often associated with promoting healthy hair, skin, and nails.
iHerb customer
Posted on Dec 2, 2025
United States
49
48
0
1
excellent
Verified purchase
quality benefit ingredient fiber quality benefit ingredient fiber package size benefit age gut diet taste composition quality benefit ingredient fiber quality benefit ingredient fiber package size benefit age gut diet taste composition quality benefit ingredient fiber quality benefit ingredient fiber package size benefit age gut diet taste composition quality benefit ingredient fiber quality benefit ingredient fiber package size benefit age gut diet taste composition
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iHerbCustomer
Gold
Posted on Nov 17, 2024
6,135
3
2
242
Verified purchase
Thank you for providing such outstanding supplements! The quality is exceptional, with thoughtfully selected ingredients that offer remarkable health benefits. Your products have made a significant positive impact on my overall well-being. I also appreciate the secure and reliable packaging. Thanks again, iHerb!
iHerbCustomer
Silver
Posted on Mar 16, 2017
102
4
6
30
Absolutely adore
Verified purchase
Let me start off by saying "The best I ever had"!!! I have been taken this Biotin for a month & 2 weeks. The result im getting is mind blowing. My dark brown skin has a glow & its not even summer yet. My face cleared up of breakouts. My nails are getting stronger. I went natural a month before I purchased this & my hair seems healthier. I've took Biotin in a different brand but didn't get the results im seeing now. I recommend this to anyone who wants the best.
iHerb customer
Silver
Posted on Dec 2, 2025
Ukraine
119
0
0
1
Verified purchase
Its okay it cleans very-well the texture is okay i use it every week good quality size should be bigger good package and i love the scent lets see the benefits its good for the hair and scalp i like the composition and it moisturize good for my age ingredients are ok no taste fir inflammation