Check out this site suggested by the T. Colin Campbell Foundation.
Nutrition Facts
The new website by Dr. Michael Greger, NutritionFacts.org, is an amazing, fresh resource for plant-based scientific information. Here you can watch videos, narrated by Dr. Greger, which help cut through the fog surrounding plant-based nutrition. You can also read his blog posts about scientific articles that have been recently published. These short, easily comprehended videos are an invaluable resource for anyone learning about a whole food, plant-based diet.