MSN: Shark Tank's Namita Thapar says 'normal' haemoglobin may not mean you're healthy, urges women to check ferritin levels Shark Tank's Namita Thapar says 'normal' haemoglobin may not mean you're healthy, urges women to check ferritin levels MSN: Ferritin Levels: What They Are and When to Get Yours Tested Low ferritin is one of those health issues that quietly slips under the radar for many Indians. You may feel constantly tired, notice more hair on your pillow than usual, or struggle to focus, yet ...