Top critical review
17 people found this helpful
Disappointing - not as effective as another brand
on 22 August 2015
I’ve been happily taking Solgar Methylcobalamin 5,000 mcg for several months, ever since being diagnosed with B12 deficiency, but decided to try Jarrow’s as they’re considerably cheaper. I was aware that some of the posters on a chronic fatigue forum found Jarrow’s Methylcobalamin changed from one of the best B12 supplements to becoming much less effective a couple of years ago, but as the supplements still get 5-star reviews from a considerable number of people, I thought it unlikely I'd be sensitive enough to notice any difference.
I changed from 2 x 5,000mcg Solgar daily to 1 x Solgar and 1 x Jarrow’s. After ten days, I found my fingers were tingling and the skin on my forearms was burning – signs of peripheral neuropathy that the Solgar had kept at bay for months. I changed back to 2 x Solgar, and the symptoms went.
While I’m glad I tried them in the interests of saving money, the bottom line is that, for me, Jarrow's don’t work as well as Solgar and I won’t use them again. Which is a bit of a relief because they take forever to dissolve (and in fact rarely seem to dissolve all the way; after about 20 minutes they leave some sort of nasty tasting paste under my tongue with what feel like stringy bits in it) and they’re large with quite sharp edges, making them a little uncomfortable to keep under the tongue for that long. They also contain citric acid, and I’m not sure how good for tooth enamel long-term usage of these would be.