Yes: calcium 600mg with vitamin D3 400 international units can be safely taken once daily. For people in areas of the US where there is little light- especially during winter, you might consider twice a day. This calcium and vitamin D should not lead to risk of heart attack, smoking and being on the birth control pill might.
Answered 3/19/2018
3.6k views
A doctor has provided 1 answer
A doctor has provided 1 answer
10 doctors weighed in across 3 answers
4 doctors weighed in across 2 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question