Feel like your protein shake isn't living up to its full flavor or nutritional potential? Consider these upgrades, from ...

a protein shake sits beside a scoop ... but play around with flavors to find your perfect shake. Try strawberry chocolate, for instance, or perhaps add mixed berries to a vanilla protein base.

There's no single better way to add a lunch of fresh flavor to a shake or smoothie than fresh fruit. Most fruit work but berries are particularly well suited to shakes since they are high in ...