Men should be taking boron.... Boron doesn’t just promote the eccretion of Fluoride in your body, it is also a literal Fluoride antidote Fluoride: - increases PTH - reduces vitamin D levels - wrecks calcium metabolism - lowers Testosterone Boron: - decreases PTH - increases vitamin D levels - improves calcium metabolism - increases Testosterone On top of that, boron-doped nanohydroxyapatite outperforms Fluoride as well in terms of making your teeth stronger and improving microhardness.