Dr. Sarah Mitchell is a Registered Dietitian (RD) with over 12 years of clinical experience specializing in metabolic health, weight management, and clinical nutrition. She serves as the Lead Medical Reviewer for FastBMI, ensuring that all calculators, formulas, and educational guides meet the highest standards of clinical accuracy.
Before joining the FastBMI Medical Review Desk, Dr. Mitchell worked as a clinical dietitian in preventive cardiology, helping patients understand the relationship between body composition, nutrition, and long-term health outcomes. She believes in an evidence-based, non-judgmental approach to health metrics.
At FastBMI, Dr. Mitchell audits the mathematical algorithms used in our TDEE and Body Fat calculators against published clinical research. She also reviews and approves all blog content for scientific accuracy.