The answer will be in International Units of vitamin D, or IU. Vitamin D supplements are used to treat adults with severe vitamin D deficiency, resulting in loss of bone mineral content, bone pain, muscle weakness and soft bones (osteomalacia). The recommended daily allowance of vitamin D is 600 international units for adults, but infants, children, teens, and the elderly may need more. Part of the reason for this is that your parathyroid glands are usually less efficient at converting the storage form of vitamin D, D3, into the active form of vitamin D, D2. Vitamin D is essential for the normal functioning of many important systems in the body and is needed to support a healthy immune system and long-term bone health. Vitamin D Liquid by Seeking Health provides a potent 50 mcg (2,000 IU) dose of vitamin D3 per drop, in pure olive oil base. Metabolism of vitamin D may be altered in patients with chronic kidney disease Children between one and 10 should not take more than 50mcg a day. Vitamin D is required for the regulation of the minerals calcium and phosphorus found in the body. This liquid vitamin D product contains 100 IU (2.5 mcg) of vitamin D3 per drop. For adults, toxic effects increase above 4,000 IU per day. It also plays an important role in maintaining proper bone structure. A daily dose of vitamin D 1000 IU should prevent very low vitamin D levels, and should be sufficient to help most aging adults get the benefit — whatever it may be — of vitamin D. Furthermore, vitamin D 1000 IU/day is highly unlikely to cause harm to most older adults. Vitamin D-fortified alert icon products like cow’s milk (for children 12 months and older), yogurt, cereals, and some juices.Vitamin D supplements are another way to help children get enough vitamin D every day. Osteoporosis. Six drops would provide an adult with the recommended daily amount of vitamin D. Plus, some children may be at risk of a deficiency, particularly those who take epilepsy medication or have absorption issues ( 7 , 8 ). ; Eggs. A recent study found that use of high-dose vitamin D supplements increased over a 15-year period. So how much is too much? The recommended dietary dose of vitamin D is 600 IU each day for adults 70 and younger and 800 IU each day for adults over 70. Use this simple rule to calculate your basic vitamin D dosage, based on your body mass. Vitamin D is necessary for children as well as adults . If you are 50 and over, you need more vitamin D3. The NHS advises children aged 11 to 17 and adults not to take more than 100mcg of vitamin D a day as it could be harmful. Canadian (English) Canadian (French) United States (English) Step 1 – Basic Dose. Adults with a body mass index (BMI) greater than 30 kg/m² are at high risk for vitamin D deficiency due to storage of vitamin D in adipose tissue; doses higher than recommended daily allowance may be required, but must be carefully monitored to avoid toxicity. Please select your preferred language. Vitamin D3 Dosage in Adults 50 and Older. Make sure your child’s diet has foods with vitamin D. Some examples of foods with vitamin D include: Some fish external icon (for example, salmon or light canned tuna). Bear in mind high-dose vitamin D will be more expensive too.