Casein protein powder is generally considered safe for most people when consumed in moderation as part of a balanced diet. Casein is a slow-digesting protein that is commonly used in supplements and protein powders, as it provides a sustained release of amino acids into the bloodstream, which can be beneficial for promoting muscle growth and recovery.
However, some individuals may be intolerant or allergic to casein, and consuming casein protein powder can cause digestive symptoms such as bloating, gas, and diarrhea. Additionally, casein is a dairy-based protein, so individuals who are lactose intolerant or have a dairy allergy should avoid casein protein powder.
In conclusion, casein protein powder is generally safe for most people when consumed in moderation as part of a balanced diet. However, it's always a good idea to check with your healthcare provider, especially if you have any pre-existing health conditions or dietary restrictions.