pain at b12 injection site Injections for Energy: Benefits and How It Works What happens if you inject

Those experiencing fatigue, low energy, or mood swings

The tradeoff is the trip itself, though many patients combine a B12 shot with other errands or with a blood test or a physical

Warnings Patients who have early Leber's disease (LHON) a hereditary disease that causes optic nerve atrophy have been found to suffer severe and swift optic atrophy when treated with vitamin B12

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Many practitioners also recommend not washing B12 down with strong coffee or energy drinks, especially if you are sensitive to caffeine or prone to stomach upset. Can You Take Vitamin B12 with Other Supplements

Have been on B12 for years - no serious health consequences from consuming alcohol