One of the top body builders I had regressed had told me that 80% of their effort was food and only 20% was the rigorous exercises that they did.
And nutrition being an integral part of our life I did invest some significant time to research and I feel that the summary of it all is in these two documentaries
- The Game Changers
https://youtu.be/rTGM2KjNGUU?si=JJqeHgzD-BcXlRSQ
- You Are What You Eat: A Twin Experiment By Stanford
Let me know what you think?