Each component has been independently studied for its potential roles in cellular protection, tissue remodeling, and biological regulation
an unusual or allergic reaction to cyanocobalamin, cobalt, other medicines, foods, dyes, or preservatives
Verify any product against a third-party Certificate of Analysis
[4] [5] Readers should note that these figures reflect specific trial protocols and may not represent the doses used in ongoing phase 3 studies or any future licensed product
Common Symptoms of a Vitamin B12 Deficiency If you think you may be low, watch out for these symptoms: Feeling tired, fatigue and weakness Loss of appetite Constipation Weight loss Megaloblastic anemia Numbness and tingling Poor balance or coordination Confusion Memory loss Depression (21) Soreness of mouth and/or tongue (22) Be aware that many symptoms of B12 deficiency overlap with symptoms of other health conditions, so it's important to see your doctor for a definitive diagnosis