Vitamin D deficiency (VDD) is a perennial problem in the UK ... 3000 international units (IU)/day for 8–12 weeks; 6 months to 11 years: 6000 IU/day for 8–12 weeks ≥12 years: 10 000 IU/d for 8–12 weeks ...
The recommended daily allowance of vitamin D varies by person. However, most adults should get 600 international units (IU) daily ... Rated at 4.7 stars by over 6,000 happy customers on Amazon ...