Doctors Warn Protein Above 2 g/kg and Excess Supplements Can Strain Kidneys

1 articles · Updated · WPBF West Palm Beach · May 18

Registered dietitians and a Nephrologist said extra protein, Creatine, electrolytes and caffeine are not automatically harmful, but needs vary by person and unnecessary use can create health risks.
Protein intake is generally about 1 g/kg of body weight for average adults and up to 2 g/kg for muscle-building, while people with kidney disease may need less because excess protein can overwork the kidneys.
Creatine monohydrate was described as one of the most researched and generally safest supplements, but doctors said people with kidney disease should be evaluated before adding it; too much caffeine can also disrupt sleep and affect heart health.
Dietitians urged consumers to favor whole-food protein sources over ultra-processed high-protein snacks and to add supplements only after basics like sleep and balanced meals are in place.

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