Symptoms of vitamin D deficiency can be subtle and varied.
People often try to get their daily dose of D through diet, but it can be hard to get the vitamin D you need with food alone, said Lisa Lisiewski, a Stamford-based dietician and nutritionist who runs Nutrition Inc. Now. Most foods are not naturally rich in the nutrient, meaning the next best option are fortified products.
When trying to up a patient's vitamin D intake, Lisiewski said she will do a comprehensive survey of a client's blood work, existing diet and lifestyle choices before tailoring her approach. "I will look at their diet and their supplements and make sure they are taking the right kind and type and see where we can increase," Lisiewski said, who earned her master's degree in human nutrition from the University of Bridgeport.
When it comes to making up the difference with sunlight, she said can be difficult for Northeast dwellers, since the optimal sun for generating vitamin D, which is converted into a hormone by the body, is in the summer. If conditions are right, a person can generate about 10,000 to 20,000 IUs (international units) in about 10 minutes, without fear of an overdose, as your body regulates it naturally.