Iron deficiencies, especiallly the ones that occur deep within your cells. What causes them? To understand why you’re not processing Iron, you have to view the key B Vitamins that help your body utilize Iron. The best way to check on these levels is an Intracellular Micronutrient Test. See what your deficient in, raise those iron levels, and then watch your POTS Symptoms disappear! #pots #potssyndrome #potsawareness #iron #irondeficiency | Dan Purser MD