Thyroid Hormone

Uses

How it works

Benefits

Risks & contraindications

Interactions

Comparisons

Background

Evidence quality

Where it comes from

Highlighted claims

• An overactive thyroid causes constant restlessness, difficulty relaxing, and difficulty consuming enough food to maintain body weight. — Thyroid Function and Metabolic Balance
• The thyroid gland controls metabolism throughout the body and regulates how quickly or slowly bodily processes operate. — Thyroid Function and Metabolic Balance
• An underactive thyroid causes fatigue, low energy, slowed bodily processes, and easy weight gain. — Thyroid Function and Metabolic Balance
• Selenium is required for conversion of inactive thyroid hormone T4 into the active form T3. — 12 Amazing Benefits of Selenium
• The thyroid gland concentrates iodide from the environment regardless of whether that iodide is stable or radioactive. — Iodide Tablets and Nuclear Events
• The patient's low T3 hypothyroidism was not Hashimoto's thyroiditis and had no autoimmune pathology. — Bile Salts, Fertility Recovery, and Mold Illness
• High estrogen levels oppose thyroid function and significantly interfere with its proper operation. — Thyroid Function and Metabolic Balance
• Selenium enables the conversion of inactive T4 thyroid hormone into the active T3 form, which is essential for metabolic regulation. — One Brazil Nut a Day for Selenium
• T4 is the inactive form of thyroid hormone; it is largely useless until converted to the active T3 form. — DIY Home Test for Hypothyroidism (Low Thyroid)
• The thyroid produces T4 (inactive) and T3 (active) hormones, and conversion of T4 to T3 depends heavily on healthy liver and kidney function. — Cruciferous Vegetables Can Help Thyroid Function, Not Kill It