The Claim
In healthy obese adults, a low-carbohydrate high-protein diet administered for 24 months is associated with a transient increase in creatinine clearance by up to 20.8 mL/min at 12 months and a sustained elevation in serum urea by up to 14.4% at 3 months, without alteration in albuminuria or serum electrolyte balance, indicating glomerular hyperfiltration without acute renal injury.
What the research says
Supports is higher
Support is ahead, but a single strong opposing study can change this.
These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.
In healthy obese adults, a low-carbohydrate, high-protein diet for 24 months causes a temporary rise in creatinine clearance and a lasting increase in serum urea, with no change in albuminuria or electrolyte levels, indicating increased kidney filtration without signs of kidney damage.
See the scientific wording
In healthy obese adults, a low-carbohydrate high-protein diet for 24 months is associated with a transient increase in creatinine clearance by up to 20.8 mL/min at 12 months and a sustained elevation in serum urea by up to 14.4% at 3 months, without evidence of harm to albuminuria or serum electrolyte balance, suggesting that such diets induce glomerular hyperfiltration without acute renal injury in this population.
Eating more protein increases amino acids in the blood, which causes the kidney's filtering units to open wider on the input side and narrow on the output side, forcing more blood through and increasing filtration. This clears creatinine faster, lowering its blood level without changing how much the body makes. At the same time, the liver turns excess amino acid nitrogen into urea, which builds up in the blood and is flushed out in urine, pulling extra water with it. The kidneys handle this without leaking protein or disturbing salt levels.
What the research says
1 studyStudy: Comparative effects of low-carbohydrate high-protein versus low-fat diets on the kidney.
This study found that when obese people eat a low-carb, high-protein diet for two years, their kidneys temporarily filter blood faster and their blood urea goes up—but their kidneys stay healthy, with no signs of damage or electrolyte problems.
Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.