side effects of taking vitamin b12 injection Are Shots Right for You? Benefits of Vitamin B12 Injections

AOD-9604 Regulatory Status As of June 2026, AOD-9604 is not FDA-approved for any therapeutic use

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)

People who take these shots often mention sharper focus, feeling less tired, and being able to exercise more, all of which are crucial to staying consistent with your goals

We typically recommend injecting around the belly button, because the area is easily accessible, and its also where people tend to store the most fat

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Oral B12 might need several weeks to boost blood levels