can too many b12 injections be harmful Are Vitamin Shots Right for You? Vitamin B12 Side Effects: How

Environmental Conditions : Exposure to high temperatures, moisture, and light can accelerate degradation

Support During Pregnancy: Adequate B12 levels are important for a healthy pregnancy

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[6] [25] At levels only slightly below normal, deficiency can result in fatigue, headaches, feeling faint, rapid breathing, pale skin, numbness or tingling, poor appetite, heartburn, poor balance, difficulty walking, poor reflexes, blurred vision, memory problems, depression, irritability, inattention, cognitive decline, dementia, and even psychosis

For most people with a vitamin B12 deficiency, oral supplements are an effective way to bring your levels up to normal, says Foxx, and research backs this up (2)