Page 1 - Reviews - NutriBiotic, Grapefruit Seed Extract, High Potency, 125 mg, 100 Tablets - iHerb
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Customer Ratings & Reviews

100% authenticOur products are sourced directly from brands or authorized distributors.Show more
4.8
Based on 5,467 ratings
4,808
422
170
38
29
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What customers say
Customers highly praise the NutriBiotic Grapefruit Seed Extract (GSE) tablets for their effectiveness and convenience. Many users appreciate the small, easy-to-swallow tablets, especially compared to the liquid form, which some found unpleasant. The product is frequently mentioned as a potent natural antibiotic and immune booster, helping with conditions like colds, flu, digestive issues, and Candida overgrowth. Several customers noted significant health improvements and fewer infections since using GSE regularly. The product is also valued for its affordability and quality from iHerb. Overall, it is recommended for its versatility in supporting gut health and immunity.
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English
Translated reviews
Anna
Silver
Posted on Oct 2, 2021
Cambodia
237
0
6
18
Verified purchase
Great for immunity.
Auto-translated from Russian
iHerbCustomer
Silver
Posted on Feb 6, 2026
Israel
159
0
32
19
It's easier to wake up in the morning, I'm less tired
Verified purchase
I feel much better since I started taking these vitamins. It's easier to wake up in the morning, I'm less tired. I feel more energetic and active.
iHerb customer
Posted on Sep 24, 2025
United States
24
0
0
4
good as part of a candida protocol
Verified purchase
i've been taking this as part of a candida protocol, and i can tell you it definitely kills my urge to eat after a meal, seems to be doing its job well.
D
Gold
Posted on Oct 30, 2025
Jordan
552
0
1
30
Verified purchase
I tried this GSE supplement for a few weeks. The tablets are vegan, easy to swallow, and clearly labeled with 125 mg extract plus full‑spectrum bioflavonoids. NutriBiotic +2 Amazon +2 I felt a mild uptick in immune resilience and a lighter digestive feel on off‑days. Results are subtle, not dramatic. On the downside, you may need consistent use and possibly higher doses or complementary support for stronger effects. Overall: a clean, reliable option for gentle immune and digestive‑system support.
Erken
Gold
Posted on Nov 9, 2025
United States
1,083
0
0
67
Verified purchase
I am into holistic health. I have found this grapefruit seed supplement to help me in this journey. They are effective, easy to use and are high quality supplements.
iHerb customer
Posted on Oct 30, 2025
Korea, Republic of
32
0
0
0
최고!
Verified purchase
Quality is super! The ingredients are great! Size arranged! What you need! Performance is felt! the product arranged, perfectly packed, the effect is definitely there! I will order more! Just as quickly delivered
iHerbCustomer
Posted on Aug 3, 2025
Philippines
348
2
0
100
My Body Feels Stronger and More Resilient!
Verified purchase
I’ve taken this product multiple times and have seen steady improvements in my energy levels and overall health. I feel less tired, more active, and I recover faster. It’s affordable and very easy to use. I highly recommend everyone give it a try—you won’t regret it!
iHerb customer
Posted on Oct 31, 2024
Canada
21
0
0
13
Effective and easy to take
Verified purchase
These are very effective but still gentle. The tablets seem to absorb better/act faster than capsules, and are also easier to swallow due to the dry texture and small size. Because these are pretty mild, you can increase/decrease the dosage as needed. I prefer that to the very potent kind of GSE which can cause irritation or side effects. Great digestive benefits and for any infections.
g
Gold
Posted on Oct 14, 2024
Singapore
7,041
0
0
935
Verified purchase
NutriBiotic Grapefruit Seed Extract tablets offer a convenient and concentrated way to harness the potential antimicrobial and immune-boosting properties of grapefruit seed. The 125 mg dose is easy to incorporate into a daily supplement routine, especially for individuals looking to support their immune system or improve gut health. Many appreciate its natural approach to combating bacterial or fungal issues, though results may vary based on individual needs and conditions. However, the taste of grapefruit seed extract can be quite strong for some, even in tablet form, and it’s important to use this supplement cautiously, as high doses may lead to digestive discomfort.
Doctor Diana
Gold
Posted on Jan 9, 2026
624
1
2
208
OK
Verified purchase
No issues with this product at this time. Matches the listing and quality is acceptable based on current use and first impressions.