vitamin b12 doses injection B-12 Cyanocobalamin B12 Injection Dosage and Frequency:

Serious or Rare Side Effects These are less common but require immediate medical attention : Severe nausea or vomiting leading to dehydration Persistent stomach pain (which could indicate pancreatitis) Gallbladder issues such as gallstones or inflammation Rapid heartbeat or dizziness Allergic reactions (rash, swelling, or difficulty breathing) Who Should Be Cautious

Yup I know about temporal inflamed arteries but my problem is different as prominent veins are appearing not only in head area but hands and feet too

To put this finding in practical terms: If 2,000 people shifted their circulating B12 from the lowest quartile ( 531 pmol/L), one additional lung cancer case would be expected over approximately 6 years

They receive nutrients primarily through diffusion from adjacent vertebral endplates