Page 3 - Reviews - KAL, Deep Thought™, 60 Tablets - iHerb
Your preference has been updated for this session. To permanently change your account setting, go to My Account
As a reminder, you can update you preferred country or language anytime in My Account
> beauty2 heart-circle sports-fitness food-nutrition herbs-supplements pageview
Click to view our Accessibility Statement
}
checkoutarrow
Supplements
Sports
Bath
Beauty
Grocery
Home
Baby
Pets
Brands A-Z
Health Topics
Deals
Best Sellers
BOGO
New
Wellness Hub

Customer Ratings & Reviews

100% authenticOur products are sourced directly from brands or authorized distributors.Show more
4.6
Based on 37 ratings
23
12
2
0
0
Write a Review
What customers say
(36)
 
Rating

Rating

Languages
English
Languages
Show auto-translated reviews(27)
Show reviews with images only
Review images
English
Translated reviews
Mila
Silver
Posted on May 6, 2026
Latvia
240
0
0
6
Great
Verified purchase
Deep Thought™ Brain Support Formula is designed to support mental clarity. I'm taking it for the first time. I'm so stressed out, and my memory isn't improving over the years. I hope it helps.
Auto-translated from Russian
iHerb customer
Posted on Jul 7, 2025
Kazakhstan
7
0
0
1
deep thought
Verified purchase
Good quality product, size is a bit big. I take it to maintain my tone.
Auto-translated from Russian
Jenya
Posted on Mar 26, 2025
Ukraine
88
0
0
5
Verified purchase
I work a lot mentally. I drink this supplement and see the result. Better concentration, memory, speed of thinking. Excellent, I will drink it on a regular basis in courses.
Auto-translated from Russian
iHerb customer
Silver
Posted on Nov 17, 2025
Korea, Republic of
278
0
1
5
curious
Verified purchase
I bought it, but it looks like it can't be shipped to Korea anymore???
Auto-translated from Korean
oleg
Gold
Posted on May 17, 2024
717
4
0
64
Fine
Verified purchase
there is a very rich composition here. contains group B, vitamin C, chromium, lecithin, centella, eleutherococcus, ginkgo biloba, ginger, pycnogenol. everything for mental health. very good ingredients in the composition. taken to improve memory.
Auto-translated from Russian
iHerb customer
Posted on Jul 18, 2024
Jordan
229
0
0
24
Verified purchase
For mental clarity, it is good for my father who suffers from early Alzheimer's. I hope it will be useful to him. I will return for the evaluation
Auto-translated from Arabic
iHerb customer
Gold
Posted on Oct 18, 2025
Korea, Republic of
919
0
0
26
I would repurchase. I am satisfied.
Verified purchase
I would repurchase. I am satisfied.
Auto-translated from Korean
iHerb customer
Silver
Posted on Apr 12, 2025
Ukraine
100
5
0
40
I recently tried KAL Deep Thought™, a 27-ingredient cognitive support supplement, and I want to share my experience.
Verified purchase
I recently tried KAL Deep Thought™, a 27-ingredient cognitive support supplement, and I want to share my thoughts. Pros: Ingredients: The formula is surprisingly versatile – it contains B vitamins (B1, B2, B3, B12), vitamin C, phosphatidylserine, DMAE, L-glutamine, ginkgo biloba, centella, eleutherococcus and more. All of this is aimed at supporting memory, concentration and clarity of thought. For example, ginkgo biloba and phosphatidylserine are known for supporting cerebral circulation, and B12 adds energy. Effect: After two weeks of taking it (2 tablets per day with food), I noticed that I could concentrate on tasks more easily and felt less mental fatigue at the end of the day. The effect is not sharp, but gradual, which is a plus for me – I feel natural support. Quality: KAL is a well-known brand with a good reputation, and the ActiTab™ technology promises fast dissolution of the tablets (within 30 minutes), which promotes better absorption. The packaging is convenient, the tablets do not have a strong odor. No drowsiness: Unlike some other supplements, Deep Thought™ does not cause drowsiness, which is ideal for daytime use. Cons: Tablet size: They are quite large, which may be inconvenient for those who have difficulty swallowing. I did not have any problems, but it is worth considering. Time to effect: It takes at least 7-10 days of regular use to feel a change. If you are looking for instant results, this may be disappointing. Warning: The package states that it should not be taken with MAO inhibitors, as well as during pregnancy and lactation. Also, niacin (B3) can cause temporary redness of the skin in some people - I did not have this, but it is stated in the instructions. Price: The product is not the most budget-friendly, especially when compared to individual supplements such as pure ginkgo or B12. But the comprehensiveness of the composition partially justifies the cost. Overall impression: KAL Deep Thought™ is a well-thought-out complex for those who want to support brain activity, especially during periods of high mental load, such as studying or intense work. I liked the mild effect and the lack of side effects, but the size of the tablets and the need for patience may be a minus for some. I rate it 4.5 out of 5 - a great product if you are willing to give it time and consult a doctor before starting. I recommend it for those looking for natural support for memory and concentration, but I advise you to check the composition for compatibility with your needs! 😊
Auto-translated from Ukrainian
fc6f14d1-9c81-4b94-94da-4f511299fd9d
Kristina
Silver
Posted on Mar 10, 2025
Ukraine
130
2
8
49
Verified purchase
I buy it for my husband, because he does a lot of mental work. The composition is very well selected, a great supplement.
Auto-translated from Russian
iHerb customer
Posted on Sep 19, 2024
China
48
4
2
2
Great
Verified purchase
Started trying it, and it seems to be helpful, a good start.
Auto-translated from Chinese, Simplified