“Protein powder is great for vegetarians,” says nutritionist and personal trainer Aynsley Kirshenbaum. Or kids who are picky eaters. Kirshenbaum adds protein powder to her kids’ macaroni and ...

“I swirl it into my coffee, I drop it into the kids ... Premium price at $4.66 per serving ($3.99 with subscription) Ka’Chava All-In-One Nutrition Shake is more than just a protein powder ...