Increase muscle mass through resistance training
Eat more protein-rich foods
Consume creatine supplements if appropriate
Avoid overhydration before testing
Reduce excessive fluid intake
Stop fasting before lab tests unless instructed
Avoid intense exercise right before testing
Review medications that may lower creatinine with a doctor
Treat underlying kidney or muscle conditions with medical guidance
Follow a clinician’s advice if low creatinine is due to malnutrition or illness