Ortho Molecular, Vitamin D3 50,000 IU, 10 15 Capsules Blisters, 150 CapsulesRecent studies have shown that many people, especially the elderly, have a challenge in absorbing adequate levels of vitamin D from their normal diets and sunlight exposure. This underscores the potential benefit of Vitamin D supplementation. Vitamin D 50,000 IU: Recent evidence suggests that higher doses of vitamin D supplementation may be of benefit to patients, including the elderly, who are particularly low in vitamin D levels. Vitamin D3 50000IU