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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
Description
Substituting one form for another should only happen with professional guidance

Some brands and types require refrigeration, while others are stable at room temperature

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The peptide is not a fast-acting intervention
Side effects such as nausea, constipation, acid reflux, stomach pain, vomiting, diarrhea, and injection site reactions are common
[PubMed: 8817670] 127
