Headache or nausea is uncommon
What are some facts about B12 deficiency
What is included with each AOD-9604 Vial
Groups at increased risk of B12 deficiency include: Vegans and strict vegetarians , who avoid all animal products and are at significant risk without supplementation or fortified foods Older adults , in whom reduced stomach acid production impairs B12 absorption People with pernicious anaemia , an autoimmune condition that destroys intrinsic factor-producing cells Those who have undergone gastric surgery , including bariatric procedures, which can reduce intrinsic factor availability Individuals taking long-term metformin for type 2 diabetes, as this medication is associated with reduced B12 absorption the MHRA has issued specific safety advice on monitoring B12 levels in this group [6] [7] People with conditions affecting the small intestine , such as Crohn's disease or coeliac disease Symptoms of B12 deficiency can include fatigue, weakness, pins and needles, memory difficulties, and a sore or inflamed tongue (glossitis)

Often, people will notice the effects of B12 injections within 24 to 72 hours after their first dose
Oral supplements have also been shown to be effective at treating vitamin B12 deficiency