Health care professionals need to keep in mind that in general, 100 IU (2.5 mcg) of vitamin D per day can raise the vitamin D blood test only 1 ng/ml or just 2.5 nmol/L after 2 to 3 months.

KUALA LUMPUR: The ringgit opened higher against the US dollar today as investors remained cautious after Washington announced a 90-day pause in reciprocal tariffs for all countries except China.