vitamin b12 injections cause black stool What Causes Black-Colored Stool? stool, or melena, can result from: Dietary Factors: Foods like black licorice, blueberries, or iron supplements. GI Bleeding: Upper gastrointestinal bleeding (e.g., ulcers, gastritis, or esophageal varices) What Causes Black or Tarry
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Substituting one form for another should only happen with professional guidance

Some symptoms of a deficiency include lack of energy, insomnia, increased levels of depression and anxiety, loss of appetite, muscle weakness and yellow eyes
Be well, David Edelberg, MD

Individuals with a slow metabolism: Those who have slow metabolisms can benefit from the injections, as they provide a metabolic boost
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