Condition-Specific Calorie & Metabolism Guides
Generic calorie calculators assume a “typical” body. These guides apply evidence-based adjustments for real conditions where metabolism, insulin, hormones, or muscle mass actually change the math — each with a dedicated calculator and cited guidance.
PCOS Calorie & Metabolism Guide
How polycystic ovary syndrome affects calorie needs, insulin resistance, and weight loss — with a PCOS-adjusted calculator, protein targets, and cited guidance.
Explore guide →PregnancyPregnancy Calorie & Nutrition Guide
Pregnancy calorie needs by trimester (IOM/ACOG), recommended weight gain, and a gestational-diabetes meal-carb tool — with cited, trimester-specific guidance.
Explore guide →DiabetesType 2 Diabetes & Prediabetes Nutrition Guide
How type 2 diabetes and prediabetes change calorie and carbohydrate targets, with a diabetes-adjusted calculator, protein guidance, and cited medical-nutrition-therapy ranges.
Explore guide →MenopauseMenopause Metabolism & Nutrition Guide
Why metabolism dips after menopause, how many calories you need, protein and resistance-training targets, and a menopause-adjusted calculator with cited guidance.
Explore guide →HypothyroidismHypothyroidism & Metabolism Guide
How an underactive thyroid affects BMR and weight, why treated (euthyroid) metabolism is normal, and a hypothyroid-adjusted calculator with cited guidance.
Explore guide →BariatricBariatric (Post-Surgery) Nutrition Guide
Post-weight-loss-surgery nutrition by phase: calorie and protein targets (ASMBS), with a bariatric calculator and cited staged guidance.
Explore guide →SarcopeniaSarcopenia & Senior Metabolism Guide
Age-related muscle loss (sarcopenia): how metabolism changes after 60, higher protein targets (ESPEN/PROT-AGE), and a senior-adjusted calculator with cited guidance.
Explore guide →Educational use only. These guides are not medical, nutritional, or dietary advice. Consult a registered dietitian or healthcare provider for personalized guidance.