First of all, fitness instructors usually recommend these things to you, and take as much commission as they sell. Secondly, these supplements, including protein powder, contain some hormones to some extent, which are helpful for muscle growth, but bring health threats to the body, such as endocrine disorders, and boys will also affect the health of kidneys.
As for Amway, I have been to America. Amway is made in America, but Americans never use it. His so-called pure nature is bluffing. My food engineering student told me that since you bought a bucket, it's not a big problem to eat, but don't keep eating, it's expensive and not delicious.
I have been teaching privately in Shanghai for three years, and I have never advised students to buy these messy things, because it is not worthwhile to ruin their health in pursuit of short-term muscle growth. Fitness can completely rely on the usual diet to ensure the nutrition needed for muscle growth.
It is best to eat mushrooms and other fungi and fish and shrimp, but because of the high price, you should usually eat more beef (it is recommended that the beef tenderloin is cheaper and the fat content is very low), drink more milk and eat more eggs (don't skip eating egg yolk, the fat contained in egg yolk is good for your health), and add some nuts if you have nothing to do, and pay attention to a balanced nutrition.