A member asked:

What are effective l-arginine and vitamin d supplements?

A doctor has provided 1 answer

Check it out: There are lots of products that sell l-arginine and vit. D. But the problem is that there is not good regulatory control so do your research on the brand you buy.

Answered 3/26/2013

5.5k views

Thank

Related Questions

A member asked:

Are vitamin d supplements as effective as the sun?

A doctor has provided 1 answer