This impact appears to be more pronounced in people who consume meat than in vegans or vegetarians. The implications of this effect usually are not properly understood and require extra analysis. Bitter orange is the common name for the botanical Citrus aurantium. Very low ranges of thyroid hormone could indicate an autoimmune response to the thyroid gland itself. This means you may have to take thyroid hormone supplements orally, often the steady kind T4 , which your physician can prescribe for you. Your physique will rework this into the active T3 hormone when needed.