CPT1 Deficiency Metabolic Risk and Safe Fasting Calculator

Calculates safe fasting duration and carnitine dosing in carnitine palmitoyltransferase I (CPT1A) deficiency, with special consideration for the Arctic/Inuit CPT1A c.1436C>A variant and hypoketotic hypoglycemia risk.

Weight
Height
Clinical Guidance

BMI is a screening measure of body size, not a direct measure of body fat. The standard WHO categories are underweight (<18.5), normal (18.5–24.9), overweight (25–29.9), and obese (≥30).

BMI can overestimate body fat in athletes with high muscle mass and underestimate it in older adults with low muscle mass. Interpret it alongside waist circumference and clinical context rather than as a standalone diagnosis.

⚕ Clinical Disclaimer: These calculators are for educational and reference purposes only. Always verify results with qualified clinical judgment and current clinical guidelines. Do not use as a sole basis for medical decisions.
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How to Use

Enter the values for the scenario you are assessing. Calculates safe fasting duration and carnitine dosing in carnitine palmitoyltransferase I (CPT1A) deficiency, with special consideration for the Arctic/Inuit CPT1A c.1436C>A variant and hypoketotic hypoglycemia risk. Use the cpt1 safe fasting result to inform your calculation.

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Frequently Asked Questions