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iHerb Customer Reviews

$8.37
$15.50
Savings of: $7.13 (46% off)
4.5 out of 5 based on 20 reviews
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Items 1-5 of 12 total

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B-1 High Potency 500 mg

7 people found the following review helpful

Posted by Reviewer1344414 on May 09, 2011

Recommended by my doctor for leg cramps. I cannot tell you enough about this product. Since I have been taking these 3 times a day for quite a while I do not have leg cramps. If on really hot days and I do too much and sweat a lot I will sometimes need to take an extra tablet, and the leg cramps are gone. No sleepless nights walking the floors anymore. I recommend them to anyone I talk to that has leg cramps and cannot get quinine anymore.

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Note: iHerb does not imply any medical claims from this review. Disclaimer.

For fibro energy

6 people found the following review helpful

Posted by 5619461052993656923 on Feb 27, 2014

I have fibromyalgia and have been testing various possibilities of supplements that are said to help with the fatigue. I have found that taking high dose vitamin b1 has made a marked difference. I take 4 tablets a day, divided throughout the morning, and it took around 3 weeks to clearly notice the improvement.

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Works well

6 people found the following review helpful

Posted by Reviewer1358842 on Jul 02, 2008

Vit B-1 is very valuable for mental stresses. I take 250-500mg daily. Take an equal of Vit C to avoid tooth brittleness. The tablets are pretty large but can be split into 1/2's or 1/4's. Works well for me.

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Good value

4 people found the following review helpful

Posted by Reviewer3359397 on May 13, 2010

Good quality, high dosage of B-1 and magnesium with no additional vitamins. If you're avoiding b-6, you can take this product. Vegetarian as all Source Naturals products. Pills are compressed, not capsules, and pretty large, which could be a problem for some, but I haven't had any trouble personally.

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Great for anxiety

3 people found the following review helpful

Posted by Reviewer2841686 on Nov 30, 2009

2-3 of these a day is great for anxiety. I also like that they use magnesium citrate because magnesium oxide tends to give me gastrointestinal problems.

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Items 1-5 of 12 total

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