Question: what is the best supplement shake to lose weight?
Answer: Coffee-Flavored Protein. Share on Pinterest. ...  Whey Protein. Whey protein is probably the most popular protein powder today. ...  Casein Protein. Casein, the other milk protein, is digested much slower than whey but shares many of its weight loss properties. ...  Soy Protein. ...  Protein Fortified With Fiber. ...  Egg White Protein. ...  Pea Protein.