Page 1 - Reviews - Rainbow Light, Counter Attack®, 30 Tablets - iHerb
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Customer Ratings & Reviews

100% authenticOur products are sourced directly from brands or authorized distributors.Show more
4.6
Based on 735 ratings
530
122
56
14
13
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What customers say
Customers generally find this product effective in boosting the immune system, particularly when taken at the first signs of a cold or flu. Many users report reduced severity and duration of symptoms during illness. The product is praised for its high-quality ingredients and competitive pricing, although some find it slightly expensive for regular use. Several reviews highlight difficulty swallowing the tablets due to their size, taste, and coating, with some experiencing digestive issues. Despite these drawbacks, many appreciate its effectiveness in preventing colds and supporting overall immunity. The product is well-received by both adults and children who can swallow tablets, though it's recommended for use only when needed rather than daily.
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Snejana
Posted on Jan 7, 2021
Netherlands
73
11
3
66
Amazing shield!
Verified purchase
I can only say that when we (me and my husband) had doubts about our health, these pills kept our immune system strong enough to not get sick. We took those tablets during a questionable period when we had to connect with many people, and pass through lots of crowds (airports, public service facilities, etc.). ***However, I strongly reccomend to check your daily intake of vitamin C, and keep in mind that one serving of 2 tablets has already 400% of daily value. Two servings (4 tabs) = 800%, and if you take other cold medicine that also contains vitamin C, you could easily overdose. Please be careful and informed about what happens if you take more than advised - too much of a good thing is NOT a good thing. Stay healthy!
Therealsamz
Gold
Posted on May 5, 2025
Saudi Arabia
403
104
0
31
Nice
Verified purchase
Very good and clean ingredients and it has good quality
todleroni
Gold
Posted on Feb 17, 2022
1,511
1
4
182
Verified purchase
One of the best! I use it during illness and it helps me out of bed and on my feet. I know that you should rest but being a mom with 3 kids one of those a toddler doesn't always allow you to. So i have to get up and be functional. CounterAttack just makes you feel better quicker, heal quicker. I never tried to take it as preventative measure. Highly recommend it.
KP
Gold
Posted on Oct 14, 2025
Switzerland
527
0
6
58
Seems to work!
Verified purchase
These are easy and unscented pills that seemed to help me overcome a cold more quickly. I love rainbow light and saw the reviews and had to try them!
iHerb customer
Gold
Posted on Sep 1, 2025
Singapore
348
2
0
22
Go to for colds
Verified purchase
This is my go to formula and enmesh for colds. Always nips until in the butt for sure. for carrying this exclusive formulation for maintenance of goof she thru throughout the year regardless off he’s said a!
Shirley
Posted on Jul 26, 2025
United States
14
0
0
0
Great supplements
Verified purchase
I take these every time I get sick to restore vitamins, my preferred dosage is 2 capsules 3 times a day. The ingredients are super clean and I can tell these are great quality.
iHerb customer
Posted on Jul 12, 2025
United States
32
0
4
14
I love this stuff
Verified purchase
when they stopped making it, I thought they were nuts. I felt betrayed. I've been taking this at least 20 years... They came back, it's more expensive, but it's better than any other immune support supplement I've had. this is all anecdotal of course.
iHerb customer
Posted on Apr 1, 2026
Hong Kong
63
0
0
2
Best
Verified purchase
Our family use this to boost immunity, it works best when you first feel you are down with something, then you take a dose and you will be able to fight it off. Great supplement we use on need basis. Good quality stuff. Taste a bit herbal. We bring it to trip's every time
iHerb customer
Posted on May 2, 2025
Austria
67
0
0
19
Strong immune support during cold season
Verified purchase
I always keep this product on hand during the fall and winter months. It’s a powerful blend of immune-supporting ingredients, and I reach for it at the very first sign of a sore throat or fatigue. When taken early, it helps reduce the severity and duration of symptoms. I also appreciate that it doesn’t upset my stomach, even on an empty one. The tablets are a bit large, but totally worth it for the results. Excellent choice for natural immune defense!
iHerb customer
Posted on Dec 2, 2024
139
1
7
49
Verified purchase
This has been one of the best cold-shortening supplements I have found and used, together with black seed oil and sambucus. It has gone up in price so much over the years, no wonder. However the taste is a bit strong and my kids don't like taking it which is a shame.