Customer Ratings & Reviews

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4.8

Based on 22,898 ratings

19,410

2,319

843

162

164

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What customers say

(3,642)

dodori

Silver

Posted on 30/12/2025

South Korea

153

Verified Purchase

Containing highly absorbable, active forms of B vitamins and the patented Quatrefolic ingredient, this product boasts exceptional quality. One capsule per day is sufficient, and its convenient, easy-to-swallow size makes it easy to take every day. I'm very satisfied with the tangible effects, including increased energy and a reduction in chronic fatigue.

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iHerbCustomer

Silver

Posted on 1/09/2025

Jordan

269

Customer request, please click like and don’t underestimate my source of livelihood. Click like and you and your parents will be among the people of Paradise.

Verified Purchase

Customer request, please click like and don’t underestimate my source of livelihood. Click like and you and your parents will be among the people of Paradise.

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Sunshine

Posted on 30/08/2025

352

Best supplement

Verified Purchase

If you're looking for a high-quality and effective vitamin B supplement, this product may be a good choice. All B vitamins are in their active form and are optimally absorbed. Urine color changes: a natural bright yellow color due to the presence of vitamin B2.

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iHerbCustomer

Silver

Posted on 8/08/2025

Saudi Arabia

242

amazing

Verified Purchase

High quality, effective ingredients, sufficient quantity, folic acid is beneficial for the nerves, gives high energy, facilitates the flow of niacin, suitable packaging, good effect, high effectiveness, strengthens and supports the nervous system, helps in metabolism, acceptable taste, supports and protects nerve endings

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AVISINA

Posted on 23/07/2025

Uzbekistan

Thorne complex B

Verified Purchase

I have been looking for a quality B-complex for a long time, and Thorne has fully met my expectations. The quality is top-notch — the brand is professional, the ingredients are carefully selected, bioavailable forms of vitamins provide excellent absorption. The composition is thought out to the smallest detail: active forms of all the main B vitamins, including folic acid (in the form of methylfolate) and niacin (in the form of nicotinamide, does not cause burning or redness). This is especially important for supporting the nervous system and normalizing metabolism. The ingredients are clean, without artificial additives, gluten, soy — ideal even for sensitivity and adherence to a strict diet. The capsules are medium in size, easy to take. The packaging is reliable, a dense jar with a protective film — you can feel the premium approach. After just a week of taking it, I felt a surge of energy, constant fatigue went away, my mood and concentration improved. I became more resilient during training, and my muscles get tired less. Although it does not contain protein, this complex is an excellent addition to sports nutrition, helping the body cope with the load. The taste is neutral, the capsules are easy to swallow and do not cause discomfort. Real results were not long in coming: sleep returned to normal, digestion improved, irritability decreased. The effectiveness is especially noticeable during mental stress and stressful periods. The benefits of Thorne B-Complex are obvious - it is reliable support for those who care about the health of the nervous system, energy and overall tone of the body. I recommend it!

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Karolina Orlovska

Silver

Posted on 15/07/2025

Ukraine

120

Verified Purchase

Contains 9 important B vitamins in enzymatically active forms. Necessary for nervous system balance, immune regulation, female hormonal balance, and healthy glucose, fat, and alcohol metabolism.

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iHerb Customer

Posted on 27/05/2026

South Korea

I bought the rain during Oh My God.

Verified Purchase

Among Thorne products, what more needs to be said about the quality of Vitamin B? lol. I bought it to get an energy boost. The size is just right, and since it was recommended by Pharmacist Go, the ingredients are trustworthy. The packaging is ordinary. If it works well, I will keep buying it.

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Judy

Posted on 27/05/2026

Hong Kong

Excellent!

Verified Purchase

I bought a few bottles of this brand of vitamins and have been taking them for a month. I think they are good. I will continue to buy them next time!

Karakum

Silver

Posted on 25/05/2026

Ukraine

117

Verified Purchase

A high-quality complex that gives me energy at the start of the day. I chose it based on its ingredients, as it's made from organic ingredients. The taste is a bit sour, but the size is very pleasant. My metabolism has improved.

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Inna

Posted on 9/05/2026

Kyrgyzstan

Vitamin complex.

Verified Purchase

I've been taking this complex for some time now and have had very positive experiences. The capsules are convenient and easy to take. After starting to take them, I felt more energy throughout the day. I liked that there was no unpleasant aftertaste. The packaging is high-quality and everything is sealed well. The ingredients seem well-thought-out and balanced. The complex has fit perfectly into my daily beauty routine. I've also noticed that it's easier to cope with workload and stressful days. I really like that the product doesn't feel heavy. The jar lasts a long time, so it's economical to use. I haven't experienced any discomfort during my use. It's convenient to take with me on trips. The quality is truly palpable. Now this is one of those products I'll be ordering again.

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