Plant Protein VS Whey Protein There is no single "best" protein for everyone. The right choice depends on your fitness goals, dietary preferences, digestion, allergies, and lifestyle. Choose plant protein if you follow a vegan or vegetarian diet, want more dietary fibre, have lactose intolerance, or prefer environmentally sustainable food choices. Choose whey protein if you tolerate dairy well and want a protein source naturally rich in essential amino acids, especially leuci