Vitamin D Deficiency Common in Sunny Singapore Despite Abundant Sunshine
Many residents in Singapore experience vitamin D deficiency despite the country's tropical climate. Newborns are routinely administered vitamin K shots.
Despite Singapore's year-round sunshine, a significant portion of its population suffers from vitamin D deficiency. Studies at Singapore General Hospital (SGH) indicate that at least 30 percent of individuals tested have insufficient levels of the nutrient. This deficiency is particularly noted among pregnant women, with some studies revealing rates as high as 90 percent.
Vitamin D plays a crucial role in immune function, muscle strength, and bone health by regulating calcium absorption. It is primarily synthesized in the skin upon exposure to sunlight. Healthcare professionals suggest that the emphasis on sun protection, sedentary lifestyles, and indoor activities in Singapore may contribute to these low levels.
Recommended daily intakes for vitamin D vary, with higher requirements for pregnant and breastfeeding individuals. Deficiency can lead to weakened bones, such as rickets in children and osteoporosis in adults. In healthcare settings, vitamin K injections are administered to newborns to prevent hemorrhagic disease.
Dietary sources of vitamin D include eggs, fatty fish like salmon and mackerel, and fortified foods. Many dairy and plant-based products naturally contain minimal amounts of vitamin D unless specifically enhanced.