warum nehme ich trotz kaloriendefizit nicht ab — what symptoms are typical?

A calorie deficit does not guarantee weight loss due to multiple compensatory mechanisms. Typical symptoms or reasons include: metabolic adaptation (basal metabolic rate drops with prolonged restriction), water retention (from stress, high sodium, or hormonal shifts), hormonal changes (elevated cortisol, low leptin), hidden calories (sauces, drinks, oils), inaccurate deficit calculation (overestimating exercise, underestimating intake), and medical conditions like hypothyroidism or insulin resistance. Medications (antidepressants, beta-blockers) can also impair weight loss. Genetic variants (e.g., FTO, MC4R, PPARG) have modest effects but are rarely the sole cause. A gut microbiome test may reveal altered energy extraction but lacks strong clinical evidence for actionability. If weight is stable for >2–4 weeks despite a verified deficit, consult a doctor for blood work (TSH, fasting insulin, cortisol).