But what about combining the best of both worlds—even in one bottle? Mixing formula and breast milk is an option if you want to breastfeed your newborn but need to supplement your milk supply.

Discover whether water or milk creates the ideal protein shake for your fitness goals. Learn how this simple choice affects ...

Protein shakes are said to be extremely important for those seeking to build muscles, boost bone health, and achieve weight loss. So the big question is how to make your shake—with water or milk?