Protein powder are very popular among health conscious people. A wide variety of it is available in the market. The question here is that can taking only protein powder provide all essential nutrients. In the gym people are asked to take protein powder ,because they get a huge profit margin ,that’s why they promote it. Normally people believe it and start consuming it. If protein powder is of good quantity and added to nutritious diet they can give good results.Quality and quantity matter a lot. So if you are health conscious and want to take protein powder take a good quality one. Other wise the better option is to eat foods rich in protein,they can give you all other essential nutrients as well. Eat healthy stay healthy.