I have recently discovered that i have some hypothyroid symptoms. (Constipation, low pulse rate & low basal body temp being the primary factors at play). I am strong, lean and in good shape and have improved my diet since coming across Ray Peat & Anabolic Men (which praises good advice for men looking to naturally maximize hormonal health). I was formally fasting 18 hours a day, which once i found out i was relatively hypo, i realized was a bad recipe. For the last month i have started eating more frequently, while tapering down portion size, including more OJ, dairy, gelatin, while reducing without eliminating muscle meats, starches, and monounsaturated fats. (Have been off PUFA's for a while). Problem is i still suffer from about 5-6 bowel movements a week (most are hard and too big) coupled with a low pulse and low basal temperature. I am wondering if i should hop on thyroid medication. I don't trust ENDO's and or most doctors as they usually seem to be relatively uneducated when it comes to the significance of certain hormones. I used to be on a bodybuilder type diet which probably threw off my digestion quite a bit. @haidut recommended a CO2 and cholesterol test which i will try, but i also want to gage other opinions.