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In this guide, well break down: What each compound is and how it works

Preventing Deficiency Symptoms: Consistent B12 supplementation helps prevent the recurrence of deficiency symptoms such as fatigue, mood swings, and cognitive difficulties

Getting enough B12 helps your body produce red blood cells, keeps your energy levels up, and supports brain function

If the body cant get enough B12 from food or pills, shots are needed

Wang X, et al

For hematocrit and reticulocyte counts, recommendations are to repeat these tests daily from the 5th to 7th days of treatment and then frequently until the hematocrit returns to a normal range (11, 14, 15)