Vitamin B12 is essential for good health, but some people may not be getting enough. Learn about the symptoms of a vitamin B12 deficiency and how it can be treated: https: wb.md 3XH8ks6 Walgreens Liquid B 12 5,000 mcg Berry Cyanocobalamin vs Hydroxocobalamin (Vitamin B12 forms) Key Clinical Differences Hydroxocobalamin is preferred in: Pernicious anemia Severe vitamin B12 deficiency Neurological symptoms (subacute combined degeneration, neuropathy) Cyanocobalamin is Super B Complex with Folic Acid Nature's Bounty