Black henna can contain many things except henna. It is likely to contain indigo or other more permanent dyes and it's not safe, it can cause allergic reactions in many cases. Normal henna leaves a brownish color. I'm not sure where you are or what your means are but home hair dyes are a much better alternative.
Prior to the availability of the pure levothyroxine, desiccated animal thyroid extract was the only treatment for hypothyroidism. Today, some individuals prefer dessicated thyroid extract as a more natural thyroid hormone.
TSH â thyroid stimulating hormone TSH is a hormone made by the pituitary gland after it samples the circulating levels of thyroid hormones. The pituitary gland responds to low levels of thyroid hormone by making more TSH and to high levels of thyroid hormone by making more TSH in most cases.