Source of Recommendation
Last Updated: January 21, 2025
NutriLens Nutrition Sources
NutriLens meal and macro recommendations are generated by our custom AI model,
which combines your weight, activity level, and goals with well-established nutrition science.
While NutriLens provides guidance to support healthier eating habits, it is not intended for
diagnosis, prevention, or treatment of any disease or medical condition. Always consult a healthcare professional for
personalized medical advice.
How We Build Plans
How We Build Plans
Calorie Needs
Calculated using the Mifflin-St Jeor equation, a widely accepted formula for estimating basal metabolic rate (BMR) and energy needs.
👉 Mifflin-St Jeor Equation (MDCalc)
Daily Targets & Macronutrients
Informed by the Dietary Guidelines for Americans 2020–2025, which recommend healthy ranges for carbs, protein, and fat.
👉 Dietary Guidelines 2020–2025
Food Nutrition Data
Sourced primarily from USDA FoodData Central.
👉 USDA FoodData Central
Protein Recommendations
Reference ranges supported by the NIH Office of Dietary Supplements.
👉 NIH – Protein Fact Sheet