Triple Boron Three Forms for Enhanced Bioavailability Source Naturals Triple Boron contains three bioavailable forms of the trace mineral boron, including one chelated form for enhanced delivery. Current research suggests boron is a factor in maintaining strong, healthy bones partly due to its positive effects on vital components of the body's own bone maintenance cycles. Preliminary studies also suggest boron may play an important part in supporting prostate and joint health as well as cognitive function.* 3 mg Capsule Option Available: 100, 200 Suggested Use: 1 capsule daily with a meal. Allergies: Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no sugar, salt, preservatives, or artificial color, flavor or fragrance.