If you've increased your protein intake recently and aren't feeling quite right, excess protein could be to blame. As registered dietitians with years of experience guiding clients toward balanced nutrition, we've identified key signals your body sends when protein is too high. Spotting these early helps you adjust for optimal health.
Even with steady water intake, high-protein diets rich in meat, Greek yogurt, and similar foods can leave you dehydrated. These foods are high in nitrogen, which your body excretes through urine. Excess protein ramps up this process, increasing urination and fluid loss, leading to dehydration.
Dehydration from overconsumption often triggers headaches and weakness. These symptoms can also stem from ketosis, common on protein-heavy, low-carb diets where your body burns fat for fuel instead of glucose. Low sugar stores leave you feeling drained and tired.
High-protein dieters frequently report bad breath, often described as fruity or rotten. This arises from acetone production during ketosis—the same compound in nail polish remover. Sulfur-containing amino acids like cysteine and methionine in proteins exacerbate the issue.
Elevated protein often means fewer carbs, and thus less fiber. Women need 21-25 grams of fiber daily from sources like whole grains and legumes to keep bowels regular. Low fiber hardens stools, promoting constipation.
For those with pre-existing kidney issues, chronic high protein intake poses risks. Animal proteins (meat, eggs, seafood) boost uric acid buildup, fostering stones. They also lower urinary citrate, a natural stone inhibitor.
Image: Livestrong.com