Is a vitamin d supplement good for you?
When taken on a regular basis Vitamin D helps support immune health and cellular activity.  It has also been show to support cardiovascular function is some people and can reduce your risk for multiple sclerosis.  You can also get Vitamin D by spending plenty of time in sun.  You can absorb Vitamin D from a healthy dose of sunshine through your skin too.
Instruction: Is a vitamin d supplement good for you?
Context: 
Response: When taken on a regular basis Vitamin D helps support immune health and cellular activity.  It has also been show to support cardiovascular function is some people and can reduce your risk for multiple sclerosis.  You can also get Vitamin D by spending plenty of time in sun.  You can absorb Vitamin D from a healthy dose of sunshine through your skin too.