People with a milk allergy or sensitivity should not consume whey protein. It could cause an allergic reaction and should be avoided. If you have kidney disease, it is important to check with a doctor before using any type of protein powder. Based on current research, whey protein is generally considered safe for athletes who want to add more protein to their diet.
However, the National Institutes of Health (NIH) recommends caution when consuming large amounts of protein, as more data is needed on the possible adverse effects. Some of the dangers of whey protein include stomach aches and cramps when taken in high doses. While athletes and coaches still commonly use whey protein supplements, recent research suggests that whey protein isn't the healthy muscle builder that marketing claims it is. Whey protein can be beneficial when added to a rehydrating solution containing carbohydrates and electrolytes ingested after exercising in hot conditions. It can also help children with rapidly progressing HIV infection, as well as elderly patients with chronic obstructive pulmonary disease (COPD).
In a small study of 11 obese women, taking 60 grams of a whey protein supplement helped reduce liver fat by approximately 21%.It is wise to avoid consuming whey protein if you are taking medications for osteoporosis XA, a form of arthritis in which the protective tissues that line bone joints gradually wear out and worsen over time. If you're experiencing uncomfortable symptoms, consider eating protein-rich foods instead, or try switching to whey isolate or non-dairy protein powder. If dietary approaches aren't enough to meet your training goals, whey protein supplements are an option. However, people who are already taking medications for high blood pressure should be careful, as whey supplements can lower their blood pressure too much. It is important to consult with a doctor before taking any type of supplement.
