Yes: In fact, calcium is poorly absorbed in the absence of vit D3. There is otherwise no proof that most other vitamins supplements are beneficial in the absence of a deficiency. However about 70% of Americans are considered vit D3 deficient or insufficient.
Answered 7/11/2019
216 views
A doctor has provided 1 answer
9 doctors weighed in across 4 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