Untreated hypothyroidism typically adds 2–5 kg of mostly water weight. It rarely explains 15+ kg of gain on its own.
Persistent fatigue, cold intolerance, dry skin, hair thinning, slow pulse. Ask for TSH, free T4, and TPO antibodies.
On correct thyroid replacement, weight-loss response returns to normal — the levers that work for everyone else work for you too.
See your calorie needs at a healthy TSH.
Calorie Calculator →
BMI can label muscular athletes as overweight or obese. Here's when BMI misses the mark and what to use instead.
The clearest waist guideline for women, based on the NHS and Ashwell Waist-to-Height ratio — no charts, just one rule.
How age changes your healthy weight range, and the simple WHO/CDC formula that answers "how much should I weigh?".