September, 12th, 2009 - Duke Johnson, MD: Is a multi-vitamin a bad idea? Understanding the science.
![Healthy by Nature Show show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/041/942/small/healthy-by-nature-show.jpg)
Summary: September, 12th, 2009 - Duke Johnson, MD: Is a multi-vitamin a bad idea? Understanding the science.
Summary: September, 12th, 2009 - Duke Johnson, MD: Is a multi-vitamin a bad idea? Understanding the science.