Yes, that is low. 36C is 96.8F.
Now the bad news. Hypothyroidism has numerous causes. Hypothalamus or pituitary dysfunction, hormone imbalances, low iodine, exposure to chlorine, fluorine or bromine compounds, chronic stress, poor T4 to T3 conversion, high rT3 levels, Hashimoto's thyroidosis.... Kelp, or iodine, will not work in all cases. And it will be hard to say for sure what is causing the problem. Sometimes it just takes experimentation to find what will work. Based on what you have said though I would still focus on cleansing the liver with bitters and B vitamins first. Although taking kelp is not going to hurt. In fact it is a good source of natural B vitamins. So is nettle leaf (also directly supports the thyroid), rice bran oat bran, nutritional yeast, and bee pollen. Ashwagandha is also excellent for the thyroid, as it supports the adrenals, which have a feedback with the thyroid, and increases T4 to T3 conversion.
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