Modern sports nutrition prescribes grams of protein, carbohydrate and fat — but two athletes on the same macros can perform very differently. This calculator personalises calories and macronutrients by body weight, training load and dosha, then translates every recommendation into a genuine Siddha ingredient (kollu, ragi, country chicken, drumstick, ghee) and the matching herbal infusion (thulasi, sukku, jeeraga).