Page 1 - Reviews - Source Naturals, BioPerine®, 10 mg, 120 Tablets - iHerb
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Customer Ratings & Reviews

100% authenticOur products are sourced directly from brands or authorised distributors.Show more
4.7
Based on 2,105 ratings
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What customers say
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English (UK)
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iHerb Customer
Silver
Posted on 22/08/2025
United Kingdom
109
0
0
21
Simple & Effective Booster
Verified Purchase
I use BioPerine 10mg regularly with my daily supplements. It helps them work better. The pill is small and easy to take, but it does have a slight peppery taste. It's effective and I will keep using it.
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iHerb Customer
Posted on 29/03/2026
United Kingdom
28
0
0
0
Verified Purchase
Capsules are small and quite spicy!! Usually I take it with my other vitamins to help absorption.
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Oleg
Posted on 27/06/2026
United States
92
10
3
7
Bio perin
Verified Purchase
A nutritionist recommended Bioperine for better absorption of other supplements, such as curcumin, berberine, and coenzyme Q10. The tablets are small, easy to take, and tasteless. The quality is excellent, and the ingredients meet all regulatory standards. It's a good product for those who want to get the most out of their vitamins and supplements.
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iHerbCustomer
Gold
Posted on 20/05/2026
Azerbaijan
346
26
0
39
Verified Purchase
An indispensable thing for maximum absorption of other vitamins! I buy Bioperine (black pepper extract) specifically for taking with curcumin, iron and some other supplements. It increases their bioavailability and effectiveness several times. The tablets are small, easy to swallow. The product really works, and the jars of 120 pieces are enough for several full courses.
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iHerbCustomer
Posted on 22/02/2026
Ukraine
44
84
0
37
Bioperine – a turbo button for your supplements
Verified Purchase
This Source Naturals product is the "secret ingredient" for any medicine cabinet's effectiveness. BioPerine (black pepper extract) isn't a vitamin itself, but it works as a powerful bioavailability enhancer for other supplements. I buy BioPerine specifically to prevent my main supplements from "passing through." It temporarily slows metabolism in the intestines, allowing nutrients to be better absorbed into the bloodstream. It works perfectly when paired with Curcumin (increases absorption tenfold!), Coenzyme Q10, Selenium, and Vitamin C. With BioPerine, even small doses of vitamins become significantly more effective. I truly feel the benefits of taking my supplements have increased. Caution! BioPerine can enhance the effects of not only vitamins but also some medications. If you take serious prescription medications, be sure to consult your doctor before purchasing. For regular vitamins, this is the best way to ensure 100% bioavailability!
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iHerbCustomer
Silver
Posted on 31/10/2025
103
49
0
52
I took it with turmeric
Verified Purchase
The product offers good quality for its price and delivers generally satisfactory performance. The design is sleek and easy to use, and the packaging is excellent, protecting the product during shipping. Overall, the experience was positive, with results appearing after a short period of regular use. Results may vary from person to person depending on usage, but generally, the product is worth trying for those looking for quality at a reasonable price. 👌
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Posted on 31/07/2025
China
12
18
0
2
Genuine Piperine Supplement
Verified Purchase
The packaging is intact and of good quality, with no signs of damage or deterioration. The dosage and ingredients are safe and reasonable. The portion size is as advertised. It has a spicy, peppery flavor, and the tablets are flat and small, making them easy to swallow. It helps with nutrient absorption.
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iHerb Customer
Posted on 27/03/2026
United States
2
0
0
1
Perfect for permanent muscle Mass gains
Verified Purchase
Been looking for this supplement for muscle building, this has been in lots of previous supplements, so wanted to isolated with other supplements I take and I love it. It’s Not easy to put on some permanent size, this definitely impacts muscle growth:) highly recommended for hard muscle gaining 963
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Lilyofthevalley
Gold
Posted on 17/01/2026
Romania
403
55
4
139
Bun
Verified Purchase
We tras about piperine that is very good to take with Berberine, Turmeric and other good stuff. It helps them absorbs faster and better. The pills are white, round and small, so very easy to swallow.
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BOWON
Silver
Posted on 1/01/2026
South Korea
164
0
0
43
Verified Purchase
I took it on an empty stomach as instructed, and it says it increases the absorption of nutrients, but I can't really tell just by feeling it. This is my second bottle. Should I keep taking it?
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