How Much Vitamin B12 Should you Take for Your Thyroid? VITAMIN B12 (Generic) Injectable Solution, 1000 mcg mL, 100 mL vial Easy Refills Chewy Rx Vitamin B12 & Hypothyroidism: What You Must Know #perniciousanemia #b12 #thyroid #hashimotos #bvitamins #fatigue #gerd #ibs #hypothyroidism #injection #rootcause #atrophicgastritis #gastritis #thyroidproblems #drautoimmune Symptoms of vitamin b12 deficiency. Studies show that low levels of vitamin b12 may be more common in people with hypothyroidism. Vitamin b12 is also involved in making and metabolizing thyroid 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