The Best Apps to Track Protein lifehacker.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from lifehacker.com Daily Mail and Mail on Sunday newspapers.
Whether you're trying to lose weight or gain some, the old adage "calories in and calories out" is mostly true. But keeping track of those calories can be a pain, so why not make your life a bit easier with these apps.