Page 1 - Reviews - Kirkman Labs, TMG , 120 Capsules - iHerb
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Customer Ratings & Reviews

100% authenticOur products are sourced directly from brands or authorized distributors.Show more
4.7
Based on 609 ratings
507
60
35
3
4
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What customers say
Customers generally praise the Kirkman Labs TMG 500 mg capsules for their high quality, effective dosage, and positive impact on mood, mental capacity, and immune system. Many appreciate the affordability, fast delivery, and easy-to-swallow capsules with no bad smell. The product is often recommended by health professionals and is noted for its role in maintaining healthy serotonin levels and reducing homocysteine to support cardiovascular health. Some users follow Dr. David Sinclair's advice to take it with NMN supplements for increased bioavailability. However, a few customers mentioned that they did not notice immediate effects or had allergic reactions due to fermentation processes. Overall, the product is well-regarded for its efficacy and adherence to GMP guidelines.
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peterc77
Posted on Feb 25, 2025
Canada
51
0
0
1
great product
Verified purchase
I find this product to have a great benefit/costs...great product.
iHerb customer
Posted on Aug 8, 2022
Canada
19
0
0
1
Verified purchase
This vitamin's works great for me, the small size makes it easy to swallow, easy open package, pure ingredients, effect is wonderful, extremely high quality good dosage, great price! Thank you very much!!!
iHerb customer
Gold
Posted on Oct 4, 2024
336
0
4
287
Good
Verified purchase
Is it helping my liver? I have no idea but I’m not reacting to it so that’s a good for a start. Decent quality and ingredients.
Sirisha
Silver
Posted on Mar 12, 2026
United Arab Emirates
177
0
2
24
Kirkman Labs, TMG , 120 Capsules
Verified purchase
Pros Supports Methylation: TMG donates methyl groups, assisting in processes like DNA methylation, neurotransmitter production, and detoxification. Heart & Liver Health: Helps convert homocysteine to methionine, supporting cardiovascular health and liver function. Neurological Support: Indirectly supports cognitive function and mood via proper methylation. Pure & Allergen-Free: Kirkman Labs is reputable for high-quality, hypoallergenic supplements suitable for sensitive individuals, including children. Convenient Capsule Form: Easy to take; can be opened and mixed with food for pediatric use. Cons / Considerations
iHerb customer
Posted on Nov 28, 2023
United States
517
0
0
465
Great
Verified purchase
It's expensive, but the quality is excellent! I buy this particular company, I no longer give it to my child with autism because he has high homocysteine. I give it with other B vitamins .Trimethylglycine (TMG) affects the health of the heart, as it helps to maintain the already normal level of homocysteine, which ensures the normal functioning of the cardiovascular system. If my review was useful, then please like👍 ingredient good, size ok
iHerb customer
Posted on Mar 11, 2026
Australia
16
0
3
5
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
iHerb customer
Gold
Posted on Dec 17, 2025
Macau
479
0
0
0
Прекрасно!
Verified purchase
Thank you very much for this product, it suited me, I like the packaging, comfortable and stylish, I will order more of these products, and recommend them to all my friends and relatives! good!!
iHerbCustomer
Gold
Posted on Nov 27, 2025
Portugal
304
0
2
4
Verified purchase
Great product I recommend! Good dosage and combination price quality.
iHerb customer
Silver
Posted on Oct 21, 2025
United States
176
0
1
2
Great
Verified purchase
Great stuff, dosage and benefit, take for my son's health
Rucha
Silver
Posted on Jan 16, 2025
United Arab Emirates
126
0
0
13
Verified purchase
This brand is known for its quality products, and best quality ingredients. My son's energy level is high all day. Mandatory supplement for gut health. The capsules are of medium size.