Page 1 - Reviews - NutriBiotic, DefensePlus®, Maximum Strength, 90 Vegan Tablets - iHerb
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Customer Ratings & Reviews

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4.9
Based on 3,604 ratings
3,256
248
71
11
18
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What customers say
Customers highly praise this immune-boosting supplement for its effectiveness in preventing and alleviating symptoms of colds, flu, and other illnesses. Many users report significant improvements in their overall health and reduced frequency of sickness since incorporating it into their daily regimen. The product is particularly valued for its ability to quickly address early signs of sore throats, sniffles, sinus issues, and even urinary tract infections. Long-term users attest to its consistent performance over the years. Despite some complaints about slow shipping, the quality and natural ingredients of the supplement are well-received. The capsules are easy to swallow with no unpleasant taste or smell. Users appreciate the added energy boost from grapefruit seed extract and plan to keep it as a staple in their home first aid kits.
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English
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iHerbCustomer
Silver
Posted on Nov 8, 2024
United Arab Emirates
157
0
1
5
Really maximum
Verified purchase
Great tablets during flu period. Our whole family takes them. I trust this brand and in my opinion the quality is great as it really works. The size is ok, but is better to buy more than one if family is big. No specific taste.
iHerbCustomer
Gold
Posted on Mar 9, 2026
United Arab Emirates
15,267
0
9
222
Verified purchase
good quality and size ,tast thank you we like it
EirikMyklebustRamsli
Silver
Posted on Oct 11, 2025
Norway
118
18
0
16
DefensePlus
Verified purchase
Quality of the supplement is wonderful . Ingredient is very nice. The size is fine for me. The dosage is individual. Benefit was for me that I started feeling way better towards my stomach. No heaviness after meals. The taste is herbal. I started feeling much more comfortable in my nutrition routine.
Kristal
Silver
Posted on Aug 18, 2025
United States
129
0
1
37
Powerful Immune Support
Verified purchase
I'm loving NutriBiotic's DefensePlus! This maximum strength formula is packed with potent ingredients that give my immune system a serious boost. The vegan tablets are easy to take, and I've noticed a significant difference in my overall health and resilience. The quality of the product is top-notch, and I appreciate the expertise behind NutriBiotic's formula. If you're looking for a strong immune support supplement, DefensePlus is a great choice. Highly recommend!
iHerb customer
Posted on Jul 29, 2025
United States
9
6
0
8
NutriBiotic, DefensePlus
Verified purchase
I've been using this supplement to support my immune system. Overall, DefensePlus is a great addition to my daily health routine, and I highly recommend it to anyone looking to boost their immune support naturally! Taste is good but tablet is a bit larger making it difficult to swallow
iHerb customer
Posted on Jun 12, 2025
United States
8
0
0
0
Defense is Right!
Verified purchase
I keep this in my medicine chest for when someone has a cold or flu. Taken right away, I find it averts a long illness. I'm usually up and back feeling good by the 3rd day, as opposed to being laid up for a week. As a senior, I have to be careful with colds/flu, so this is my go-to product and I keep it on hand.
JuliaSal
Gold
Posted on Apr 2, 2026
United States
595
0
2
39
Great
Verified purchase
Was recommended to my dad. He said it works great and the quality is good
iHerb customer
Posted on Feb 26, 2026
Poland
47
0
0
0
Verified purchase
This product showcases excellent quality and an ideal, user-friendly size. It is securely packaged and crafted from clean, premium ingredients. The advantages it offers are both evident and highly satisfying.
iHerb customer
Silver
Posted on Jan 3, 2026
Ukraine
197
66
0
2
It's working
Verified purchase
These DefensePlus tablets are my must-have during the autumn and winter season, especially when used together with their nasal spray. They help support overall wellness and immunity, offering protection against seasonal challenges.The size of the tablets is manageable to swallow. The quality is good - reliable, potent, and vegan-friendly. I can recommend this supplement for anyone looking to boost seasonal defenses and maintain wellness throughout the year to support immune function, reducing oxidative stress.
3cd68856-54e0-4f2f-81de-4c653ba10042
iHerb customer
Posted on Sep 13, 2025
United States
6
0
0
0
Good ingredients, It seems to work
Verified purchase
I use this during flu season, especially if I’m starting to feel under the weather. It may be anecdotal, but it seems to help me feel better faster.