b12 and b complex injection Vitamin Complex: Package Insert / Prescribing Information Contains 100mg per mL of both Thiamine (B1) and Niacin. Vitamin B Complex With Vitamin

There are also certain drugs and health conditions that can increase the likelihood of developing a B12 deficiency such as: alcohol abuse, antacid use, smoking, celiac disease, other digestive concerns, pregnancy, a strict vegetarian or vegan diet, and even natural aging

Williams gynecology (4th ed.)

Energy Production & Metabolic Function

However, these are rare, and for the vast majority of the population, B12 injections can do nothing but good

Other factors that could lead to B12 deficiency are: Lack of adequate production of the intrinsic factor needed for B12 absorption B12 deficiency is common in elderly people as absorption of the vitamin reduces with age People who have had any intestinal surgery, such as that for weight loss Those with gut conditions such as Crohn's Disease, inflammatory bowel disease, or celiac disease SLIDESHOW See Slideshow Vitamin B12 injections Vitamin B12 supplements are given based on the condition that causes deficiency

If you are currently taking any other medications, let your doctor know before choosing a suitable B12 supplement