HASHIMOTO'S THYROIDITIS What is Hashimoto's thyroiditis? Hashimoto's thyroiditis is an autoimmune condition in which the immune system attacks the thyroid gland. Over time, this can damage the thyroid and Our bodies need vitamin B12 to maintain healthy red blood cells, nerves, and brain function. If a person has vitamin B12 deficiency (their body does not have enough vitamin B12), they can Hashimoto's and Fatigue: 3 Tips to Deal with Pernicious Anemia #perniciousanemia #b12 #thyroid #hashimotos #bvitamins #fatigue #gerd #ibs #hypothyroidism #injection #rootcause #atrophicgastritis #gastritis #thyroidproblems #drautoimmune