More Americans than ever are turning to protein dietary supplement powders for a quick and convenient way to add protein to their diet. Brown University notes that many people unfortunately spend a lot of money on powdered protein supplements in the hopes that the protein will go straight to their muscles, when in actuality, excess protein can have many side effects. Brown University suggests that you probably do not need a protein powder supplement if you are eating a well-balanced diet. Please consult your doctor prior to buying or using any protein supplements.
Fat Storage
Many people think that protein can only benefit their body composition, but the truth is, excess protein will be stored on your body as fat. Researchers at Oregon State University explain that "too much protein equals too much body fat." There is a limit to exactly how much protein your body can use over a given period of time. If you ingest too much protein, it will be simply stored as fat, according to The Ohio State University. Your recommended daily allowance for protein is 0.8 g for every 1 kilogram of body weight. Oregon State recommends that you should focus on your solid food diet and skip the protein supplements. Protein supplements are only meant to be a "supplement" for a healthful diet -- nothing can replace good eating habits.
Reduced Kidney Function
Excess protein consumption could stress your kidneys. According to Harvard University, too much protein may cause reduced kidney function. Researchers at Brigham and Women's Hospital stress that this concern is very important given the popularity of protein supplements. In contrast, according to John's Hopkins University, a low-protein diet may reverse kidney disease.
Osteoporosis
Another hidden danger of protein powder is the potential increased risk of developing osteoporosis. According to the Massachusetts Institute of Technology, increased levels of protein could increase the amount of calcium that is excreted in your urine. If this remains for a prolonged period of time, you may develop a calcium deficiency. Calcium deficiency or calcium loss causes osteoporosis, according to Michigan State University, adding that if you double your protein intake above that which is required, it could result in a 50 percent increase in calcium loss. This is especially concerning for postmenopausal women or seniors who are often the most prone to osteoporosis. This stresses the importance of having an ongoing dialogue with your doctor if you are taking protein supplements or if you are on a high-protein diet.
References
- Brown University: Nutrition Supplements
- Oregon State University: Protein: Supplement or a Sandwich?
- The Ohio State University: Protein
- "Harvard University Gazette": Too Much Protein May Cause Reduced Kidney Function
- John's Hopkins University: Low-Protein Diet May Reverse Kidney Disease
- Massachusetts Institute of Technology: Important Minerals
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