

Kirshenbaum adds protein powder to her kids’ macaroni and cheese.Īll of the nutritionists we spoke to stressed that no one should attempt to survive on protein powder alone.

“Protein powder is great for vegetarians,” says nutritionist and personal trainer Aynsley Kirshenbaum.

And while they’re popular for their ability to help people gain and retain muscle, these supplements aren’t just for body builders - or even people with regular gym memberships. Protein powders can be found in thousands of formulations on tens of thousands of shelves across the country.
