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.
Thyroid function. Figure 2: Pituitary-thyroid feedback. The thyroid gland uses iodine from the diet to make thyroid hormone (thyroxine). Thyroid hormone is stored in the thyroid gland and released into the blood stream as needed by the body.The release of thyroid hormone is controlled by the pituitary gland which makes a hormone called thyroid stimulating hormone (i.e.TSHTSH-Thyroid stimulating hormone; also known as thyrotropin.hyroid function. Figure 2: Pituitary-thyroid feedback. The thyroid gland uses iodine from the diet to make thyroid hormone (thyroxine). Thyroid hormone is stored in the thyroid gland and released into the blood stream as needed by the body.