vitamin b12 injection subcutaneous How to Give a Injection: Step-By-Step Instructions B12 Injection Subcutaneous Or Intramuscular

Symptoms often include fatigue, lightheadedness, pale skin, shortness of breath, and cognitive fog

According to the National Institutes of Health, only about 1 to 2 percent of an oral dose actually makes it into your bloodstream

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If you are low in B12, you may also want to look into whether you may have other nutrient depletions as well, including depletions in iron, vitamin A, vitamin E, the B vitamins, potassium, and iodine , which are all required for proper thyroid function

There are no other absolute contraindications reported for hydroxocobalamin use in deficiency states, but caution is advised in individuals with conditions such as early Lebers optic neuropathy (a rare hereditary optic atrophy) due to the theoretical risk of worsening vision