I use products from a top nutritional company that has pioneered the work in nutrition, hydration, and muscle repair/recovery. I can work out 6 days a week, and my husband can run 40 miles a week (up from 12). It's all food (but not milk based), and it's balanced with all the vitamins, minerals, trace elements, phytonutrients (plant-based), and more. The thing I like, besides the products, is that a consultant from the company follows you during the first few months (no charge) on whatever basis you want, helping you to tweak the product amounts if needed. There's a 30 day guarantee too.