Natrol Boron Plus Tabs, 240 ct

What the brand says

Natrol Boron Plus is a synergistic combination of three natural, highly utilizable, chelated sources of the trace mineral boron, calcium, magnesium, vitamin D3 plus trace minerals zinc, manganese and copper. Zinc, manganese and copper are integral co-factors for several enzymes involved in bone metabolism. Studies indicate that boron improves calcium metabolism and utilization.