There are many people in the bodybuilding/fitness community who have issues with their digestive system and it's not a surprise with all the weird shit that we put into our bodies - food, supplements, AAS, etc. Gregg Valentino has always sworn by Apple Cider Vinegar & he is 100 percent correct. This MuscleSport Minute is being brought to you by http://www.hotstuffnutritionals.com Thumbnail image: Flickr/Labeled For Reuse