Vitamin D3 B12 OD-EffTabs ? Strong Bones, Sharp Mind, and Lasting Energy. Vitamin D3 is a fat-soluble vitamin that aids calcium and phosphorus absorption, essential for strong bones. It helps prevent bone disorders like rickets and osteomalacia and is produced when the skin is exposed to sunlight. Vitamin B12 supports nerve and blood cell health, aids DNA production, and helps prevent megaloblastic anemia, which causes fatigue and weakness. Role of each ingredient Vitamin D3: Vitamin D3, Cholecalciferol, and Calcitriol regulate calcium and bone mineral metabolism, working with PTH on the kidneys, bones, and intestines. They influence gene expression, control their own synthesis, and maintain calcium/phosphorus balance by increasing specific protein synthesis. Vitamin B12: Vitamin B12 is a crucial B vitamin. It is needed for nerve tissue health, brain function, and the production of red blood cells. Cobalamin is another name for vitamin B12. Health benefits of Vit D3 OD EffTabs Fights disease Reduces depression Formation of red blood cells Creates and regulates DNA Synthesis of fatty acids and energy production Ingredients Vitamin D3 Vitamin B12 Listing and template services provided by inkFrog