To protect bone health vegans may require a supplemental source of vitamin D-2.
Hope this helps XoX :)
Your question is not clear...please reread your question and retype it.
Explanation/Answer: If you begin to be safe at home you can learn to be safe in other places
It would not be answer C because a majority of supplements are not approved by the FDA. This does not make them anymore effective. The answer is D.
Intensity, how hard a person exercises. The speed or workload used in a given exercise period.
