These guys are researchers and scientists not competitive bodybuilders. What do they have to be huge for? I'm sure he eats a normal clean diet. People can eat balanced diets and still not meet there requirements. Thats why people take supplements
What requirements exactly?
I'm sure all the people living well beyond the age of 100 years took plenty supplements and spent their free time reading scientific "studies" about them.

Just eat healthy and EXERCISE (geez Brink) and let your genetics take care of the rest.