Vitamin D3 deficiency causes weakness and inadequate development. Please recommend the finest supplement to make up for this shortfall.
For vitamin D3 deficiency causing weakness, the best supplement depends on severity?high-dose weekly (60,000 IU) for deficiency or daily low-dose (600?2000 IU) for maintenance. Take it after food (better absorption), and avoid self-medicating high doses, consult a doctor for correct dose based on your blood levels.