Please choose the correct ending to complete the given sentence: Health: [header] How to boost metabolism as a thyroid patient [title] Talk to your doctor. [step] There are two types of thyroid patients. If your metabolism is too slow because your thyroid is not producing enough thyroid hormone, you suffer from hypothyroidism.

Ending1: Low thyroid levels are known to cause significant weight gain, bloating, upset stomach, and loss of appetite. Lifestyle changes to manage your thyroid levels and avoiding excess thyroid hormone can help you to strengthen your thyroid. Ending2: Hypothyroidism is an autoimmune disorder, where the hormone is produced through body creation by the thyroid. As a result, treatment for hypothyroidism is expensive and many doctors opt to opt to treat it on their patients. Ending3: If your metabolism is too fast, however, your thyroid is overactive and producing a surfeit of thyroid hormone. Only your doctor can help you determine if you have hypothyroidism or hyperthyroidism, and whether boosting your metabolism as a thyroid patient is safe. Ending4: Your doctor may suggest that you raise or lower your thyroid hormone levels to 50 hg or lower daily to boost your metabolism. [substeps] Your doctor may suggest that you increase your intake of magnesium (or borrow magnesium from an eu supplement) so your metabolism can improve.

Answer format: ending1/ending2/ending3/ending4