For those of you who eat meat, really good-quality red meat is an excellent option - liver in particular is very high in B12
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
Interactions with Medications Vitamin B12 has the potential to interact with certain medications, including diabetic prescriptions, metformin, proton pump inhibitors, antagonists and antibiotics
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Luckily, both B12 injections and oral supplements are able to help regulate this deficiency
Examples of these health conditions include those with a lack of stomach acid, those who have undergone bariatric surgery, anemia caused by the inability to absorb the vitamin, other autoimmune digestive diseases, as well as several medications