> [overweight] Have you had a blood test for TSH and [[vitamin D]]? High TSH is often the main factor in high blood pressure, so it should be low. A deficiency of [[calcium]] or [[vitamin D]] can increase parathyroid hormone, increasing serum [[calcium]] and blood pressure. Drinking two quarts of low fat [[milk]] per day will help to lose weight and lower blood pressure. [(Reference)](https://archive.ph/o/OJZkW/https://raypeatforum.com/community/threads/ray-peat-email-advice-depository.1035/page-15%23post-176171)