Solgar Boron 3 mg in vegetable capsules. Each capsule provides 3 mg of boron. Encased in convenient, easy-to-swallow plant-based capsules. A premium mineral supplement. Boron is a trace element found in the diet and in the body in tiny amounts. Suitable for vegan, vegetarian, and kosher diets. Vegetarian, Vegan, Kosher, Gluten-free, Dairy-free.