Hello 83873 protein is easy to get from a plant based diet.If you get enough protein in your diet then your muscle tone will be maintained or built up further.A Water Fast in its truest sense is an extreme stresser on the body.Water fasting should be done under the supervision of an experianced healer do to its stress load on the body.All protein comes from plant life and man only eats herbivores for cleanliness reasons if he/she has any common sense.Nuts have more fat than protein and should be consumed in moderation.Nuts when overconsumed will slow down the bowels and cause alot of problems.Go to youtube.com and punch in rawfood in their search engine and look for David Wolf and Dr. Gabriel Cousens videos their are plenty of videos to watch for free.Dr. Gabriel Cousens book Conscious EATING is a very long and good book for someone wanting to eat a plant based diet.Sprouts are easy and fun to grow and have lots of amino acidss in them.I have some pictures of my sprouts in the Image Gallery in the photos section under grassmans sprouts.I just got 50lbs of barley seed in today and will start a spring cleaning very soon with lots of protein,enzymes and phyto-nutrients.