Comments & ratings on the side effects, benefits, and effectiveness of horsetail.
Most voted positive review
129 People found this comment helpful
Have to take horsetail with a thiamin supplement. Horsetail contains thiaminase (enzyme that breaks down thiamin) which can cause your body's thiamin (vitamin B-1) levels to drop. Started feeling numb in my extremities, recalled this fact, took a thiamin supplement and ten minutes later was homeostatic (normal). Usually enough just to eat with, has done wonders in a week for my hair/nail streng...
Most voted negative review
18 People found this comment helpful
This was in Purvana for Hair, Skin, and Nails and after taking it about a month I began having burning in my stomach; I hadn't been nervous but worried then about ulcers or cancer and didn't realize to stop taking it yet. I took Prilosec for 2 weeks. I was still having the burning; but perhaps that helped me some. I continued perhaps another week with Purvana and then realized it could be the ...
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