[6] [3] [10] A mild deficiency may not cause any discernible symptoms, but moderate deficiency can cause various symptoms, such as feeling tired, lightheadedness, headaches, cold intolerance, pale skin, sore tongue, upset stomach, loss of appetite, hair and skin color changes, numbness or tingling (pins and needles) of the fingers and toes, and tinnitus, and vision, cognitive or psychological problems
Resources: Rahaman et al
If it doesnt drop below that temperature, mix in another cup of rock salt
This is the first day that I'm taking this
Seiwerth, Sven, et al
Human Equivalent Dose Calculations Using standard conversion formulas accounting for body surface area differences between species, a rat oral dose of 0.0045 mg/lb translates to approximately 0.00073 mg/lb in humans, yielding roughly 0.112 mg/day for a 154-pound person