Mostly iceberg because I was able to get the outer leaves free. And they did well even though we know iceberg lettuce isn't the best lettuce. Next best is cheese. For non-vegetarians , of the animal proteins, fish is the best after eggs because of its high mineral content, easy digestibility, rapid assimilation, and high utilization. After fish comes poultry.
Meat comes last.
The correct amounts of each item should be properly proportioned in one to three meals daily. Every time I made a discovery with the mice I introduced it with my patients . I found with each discovery that when I introduced it into the diet of a patient, greater improvements resulted. I was excited. I was into new territory, and I saw no limit to the tremendous knowledge that could unfold.