Oh, sure thing! You can substitute in other powders or even use powdered peanut butter. Some alternatives include Chickpea Flour, Pea Flour, Lentil Flour, Hemp Seed Powder, Almond Flour, Soy Flour, Quinoa Flour, Sunflower Seed Powder, or Pumpkin Seed Powder. Just make sure it's powder and got that protein!