Guaranteed income supplement. Seniors may be eligible for the guaranteed income supplement (GIS), which is a monthly benefit paid to residents of Canada who receive a full or partial OAS pension. If a senior is single, his or her income should be below $14,352.
TSH (thyroid stimulating hormone) increases the activity of the Sodium-Iodine Symporter (NIS) that drives iodine into the thyroid and into the cells of the other organs. That is the reason that the TSH blood levels increase when patients are taking iodine â the TSH is needed to drive iodine into the cells.
1 A low TSH level with a high FT4 level and a high FT3 level: hyperthyroidism (over-active thyroid) 2  Abnormal TSH levels together with normal FT4 levels indicate you may be at risk of developing a thyroid disorder.  A low TSH level together with a low FT4 level can indicate a disorder of the pituitary gland.