This is the Evolution Diet Energy Index and Protein Index Calculator, offered for FREE by evolution-diet.com. The indeces are based on the below factors and a thoroughly tested equation. For more information on how to apply the Energy and Protein Indeces to your diet, read The Evolution Diet, or contact us here: info@evolution-diet.com. Note: this calculator involves macronutrients ONLY. It does not include vitamins and minerals, which are both vital to optimal health.