Highly effective and natural-source sublingual vitamin D3 1000 IU spray, enhanced with vitamin K2. Ensures immediate absorption by the body through the oral mucosa, bypassing the digestive system. Vulnerable groups for Vitamin D deficiency: Individuals with long-term bed rest due to accident or illness. Elderly in institutions, with low sun exposure. Elderly with bone pain and muscle weakness. Individuals over 50 years old. Pregnant women. Individuals with dark skin. Suggested dose: 2 sprays daily under the tongue or as advised by your treating physician. Each spray contains 1000iu of vitamin D3. Shake well before use.