Hypothyroidism
An underactive thyroid gland that slows metabolism, causing unexplained weight gain and fatigue.
Patient-Friendly Explanation
Hypothyroidism occurs when your thyroid gland does not produce enough thyroid hormone, slowing down your metabolism. This can lead to unexplained weight gain, fatigue, feeling cold all the time, and difficulty losing weight despite diet and exercise efforts.
Clinical Definition
Hypothyroidism is a condition of reduced thyroid hormone (T3 and T4) production, most commonly caused by Hashimoto's thyroiditis (autoimmune). It results in decreased basal metabolic rate, altered lipid metabolism, and reduced thermogenesis — all contributing to weight gain. Diagnosis is confirmed by elevated TSH with low or normal free T4.
Why It Matters
Untreated hypothyroidism can make weight loss extremely difficult despite best efforts. At NuLifeCare, we screen for thyroid dysfunction during weight management assessments and coordinate with your primary doctor to ensure your thyroid levels are optimised before starting a weight loss programme.
This library is for general education and does not replace individual assessment by a qualified healthcare professional. Always consult a doctor for medical advice, diagnosis, or treatment.
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