I know that a whey protein supplement is good for when you workout to help lose weight and build muscle, but what is the best kind or brand to buy? What factors, like what protein it comes from and how much protein should each serving have, should I look at? And which ones do you find taste good as well?

My diet doesn’t allow me to have dairy (which kills my stomach anyways) like whey protein, and have disowned grains and legumes like soy protein, but need a good protein powder I can use to make my almond milk strawberry banana protein smoothies before working out. Any ideas?
Why am I getting advertisements? I need an answer to the question stated above.