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If you require injectable vitamin B12, your doctor will advise on the dosage

long-term, a good diet will help sustain them

Your doctor may determine if you have a deficiency based on your medical history, lab work and signs or symptoms

Some research also suggests that if you become vitamin B12 deficient, it can increase your risk of age-related macular degeneration (AMD), which is a gradual type of vision loss common in people over 50

Moreover, it is found as a potent inhibitor of platelet aggregation and adhesion to the vascular wall [59]

The Foundation of Safety: Why B12 Is Different To understand the safety of B12 injections, it helps to understand the vitamin itself