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Contraindications: Some peptides may have contraindications for certain medical conditions
Seek immediate medical attention for signs of a severe allergic reaction including hives, swelling of the face, lips, tongue, or throat, difficulty breathing, or chest tightness
Pernicious anemia symptoms can take years to surface
Vitamin B12 injections are significantly more expensive than oral supplements when accounting for the full cost of treatment including office visits, injection fees, and ongoing maintenance appointments
Vitamin B12 requires an intrinsic factor-mediated active transport for absorption, therefore, lack of or inhibition of intrinsic factor results in pernicious anemia
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