For any anaerobic activity, like chronic cardio, you need the carbs. Not primal but that's the choice you make pursuing chronic cardio. White rice and potatoes are the best choice of carbs if you insist on this type of activity. Doesn't mean you want be doing long term harm, just less than if using grains for the carbs
Four years Primal with influences from Jaminet & Shanahan and a focus on being anti-inflammatory. Using Primal to treat CVD and prevent stents from blocking free of drugs.
Eat creatures nose-to-tail (animal, fowl, fish, crustacea, molluscs), a large variety of vegetables (raw, cooked and fermented, including safe starches), dairy (cheese & yoghurt), occasional fruit, cocoa, turmeric & red wine