You can put it in porridge or add some vegetables.

Nutrition will be more balanced.

It is not recommended to supplement these privately. The best nutrients are obtained from food.

If it is not particularly lacking, do not supplement. For example, calcium tablets, protein powder, zinc, etc. cannot be supplemented casually. You should follow the doctor's advice.

A normal diet will not lack protein, so there is no need to supplement.

It is not recommended to drink protein powder casually, because protein is a part of the body's needs, but if you supplement it too much, it will cause deamination, converting the protein into sugar or fat storage. This process will produce nitrogen-containing substances that are harmful to the body.

Substances can be called toxins.

Generally, supplementation is required after seeing a doctor. Unless there are special circumstances, supplementation is not required.