Normal: You vitamin D level is exactly where it should be. Your tiredness may be a symptom of seasonal affective disorder. Get exposure to sunlight and exercise. You may consider getting a lamp that simulates sunlight.
Answered 1/16/2015
3.3k views
A doctor has provided 1 answer
4 doctors weighed in across 2 answers
2 doctors weighed in across 2 answers
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question