OstroVit ® Boron is a dietary supplement in capsule form, designed to supplement the daily diet of adults. The formula contains boron in the form of boric acid . Why is it worth choosing OstroVit ® boron? 3 mg of boron per serving, suitable for vegetarians and vegans, 1 capsule a day, 4 months of regular supplementation.Boric acid is a naturally occurring substance. The compound can be found in some fruits and vegetables, as well as in sea salt. A package of 120 pieces of Boron by OstroVit ® will provide you with up to 4 months of boric acid supplementation.