How to produce/secrete Vitamin D through bulb or tube light?

In Bangladesh, a serious health issue has come to light with a Vitamin D deficiency affecting a wide range of the population, from infants to postmenopausal women. Despite the country receiving plenty of sunlight, which is essential for the natural production of Vitamin D in the human body, startling statistics from a 2022 review in the Asia Pacific Journal of Clinical Nutrition show deficiency rates varying from 27.2% to a full 100% across different demographic groups. This situation calls for innovative solutions beyond traditional sunlight exposure or dietary supplements. The challenge lies in finding a technological solution that can simulate the benefits of sunlight for Vitamin D synthesis indoors, providing an alternative source of this essential nutrient. This could involve developing special bulbs or tube lights that emit the same type of UV rays as sunlight, enabling the body to produce Vitamin D without direct sun exposure. Such technology needs to be safe, effective, and affordable to be accessible to the diverse population groups affected by this deficiency. Additionally, this solution must be easy to use within the daily lives of individuals and adaptable to various living conditions, ensuring that it can reach those in urban settings with limited sunlight exposure as well as rural areas. The ultimate goal is to offer a practical and scalable method to combat Vitamin D deficiency, improving the overall health and well-being of the Bangladeshi population. In summary, addressing the widespread Vitamin D deficiency in Bangladesh requires the development of a safe and effective technological solution that simulates sunlight exposure indoors, offering an innovative approach to enhance Vitamin D synthesis across all demographics.