Page 1 - Reviews - Source Naturals, D-Mannose, 60 Capsules - 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 635 ratings
533
70
18
8
6
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What customers say
Customers generally find this D-Mannose supplement effective for preventing and managing urinary tract infections (UTIs). Many users report significant relief from UTI symptoms, often within a day or two of starting the supplement. The capsules are preferred over tablets for their effectiveness and ease of swallowing. Several customers appreciate the product's affordability compared to other options. Some users have experienced adverse reactions, possibly due to histamine intolerance or other sensitivities. A few reviews mention that the product did not work for them, but these are in the minority. Overall, the supplement is praised for its high-quality ingredients, good packaging size, and effectiveness in reducing UTI frequency and symptoms.
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iHerb customer
Gold
Posted on Mar 7, 2026
United Arab Emirates
5,672
2
2
918
Targeted "Velcro" Effect for Bacteria!
Verified purchase
It has effect on my comfort levels—it’s like an internal "rinse" for the urinary tract.
iHerb customer
Posted on Mar 22, 2022
United Arab Emirates
74
0
0
2
Verified purchase
Good product but should be taken for a long period
iHerb customer
Posted on Sep 29, 2025
United States
89
0
0
4
High-quality D-Mannose with clear benefits and mild taste
Verified purchase
I’ve been taking Source Naturals D-Mannose, and I’m impressed with the quality of this supplement. The main ingredient is pure and effective, giving me confidence in its use. The size of the bottle is convenient, and the dosage instructions are clear and easy to follow. The taste is mild and easy to swallow. I’ve noticed a real benefit in urinary tract health and overall comfort after consistent use.
iHerbCustomer
Posted on Sep 30, 2025
Bulgaria
19
0
0
8
Verified purchase
Good quality! It gives me a good benefit for my urine infection that save me of taking the pharmaceutical drugs. I take this daily for the moment to stop having the infection. The size of the capsule is perfect and follow the recommended dosage.
iHerb customer
Posted on Sep 10, 2024
Australia
33
0
5
36
Verified purchase
Thank you iherb for the quality of the ingredients of this product. It gives me a good benefit for my urine infection that save me of taking the pharmaceutical drugs. I take this daily for the moment to stop having the infection. The size of the capsule is perfect and follow the recommended dosage. Once again I say thank you for this product.
Anna
Gold
Posted on Dec 21, 2025
Switzerland
329
0
1
47
Fantastic product from iHerb
Verified purchase
This has become a go-to supplement that I reorder without hesitation. The quality is consistently excellent, it mixes or swallows easily with no unpleasant aftertaste, and I genuinely notice the positive benefits. The value for money on iHerb is unbeatable, and it always arrives quickly and well-packaged. Highly recommend adding this to your cart!
iHerb customer
Posted on Jun 28, 2025
Hong Kong
70
2
7
15
works good
Verified purchase
I had this one before prescribed from my gynecologist (this and other ones). it helps with urinary infection. PLEASE ADVICE YOUR DOCTOR ALWAYS. If you have any issues, first go to the doctor. I only want to share my positive experience with it. ingredients are good and clean to me. size is good. dosage depending on what doctor advice on how many to take. no taste. the size of the pill is big so be aware of it
iHerb customer
Posted on Feb 10, 2025
United States
48
0
1
38
Helps with a UTI
Verified purchase
If I feel a UTI starting, I take a couple of these 3 times a day and that usually heads it off before it gets bad,
iHerb customer
Posted on Jun 3, 2024
United States
36
0
0
56
Verified purchase
D-Mannose always works when I begin to get a urinary tract infection. I simply take it at least once daily, sometimes twice at the beginning. For me, it is important to keep taking it for a few days after I think the infection is over. This brand works as well as any other I have used.
iHerb customer
Silver
Posted on Oct 21, 2025
Saudi Arabia
166
4
4
17
Good
Verified purchase
High quality ingredients with no taste I love this product