Protein powder is generally considered safe for healthy individuals when consumed in moderation. However, consuming excessive amounts of protein, including protein powder, can put stress on the kidneys and potentially lead to kidney damage in some people, particularly those with pre-existing kidney disease.
Healthy kidneys are able to effectively process and filter waste products from protein metabolism. However, when too much protein is consumed, the kidneys may struggle to keep up with the increased workload, leading to the buildup of waste products in the blood.
In general, it's recommended to consume no more than 2 grams of protein per kilogram of body weight per day for healthy adults. This amount is typically sufficient for most individuals to meet their protein needs without putting excessive stress on the kidneys.
If you have pre-existing kidney disease, or if you are concerned about the impact of protein powder on your kidney health, it's a good idea to consult with a healthcare professional or a registered dietitian to determine an appropriate protein intake for your needs and to monitor your kidney function regularly.