Herbal healthcare major Himalaya Drug Company has forayed into the Rs. 461-crore osteoporosis and hormone replacement therapy segment with the launch of Reosto and Menosan tablets. "Our focus on women's healthcare led to these two products, which have no side effects that are generally associated with Hormone Replacement Therapy (HRT), calcium supplementation and VIT D analog, " Philipe Haydon, senior manager, pharma marketing of the company said.