You should not take cyanocobalamin-based products if you: Have a known cobalt allergy Have Lebers hereditary optic neuropathy , as B12 can worsen vision in this condition Discuss nasal B12 with your clinician first if you have: Severe megaloblastic anemia Polycythemia vera or other bone marrow disorders Low iron or folate Kidney disease Are undergoing chemotherapy or using bone marrowsuppressing drugs Are pregnant or breastfeeding Possible Side Effects Most side effects reported with B12 nasal products are mild and temporary: Slight nasal irritation, burning, or dryness Runny or stuffy nose, sneezing, or sore throat Mild headache Nausea or a brief metallic taste Tingling or pins and needles sensations, especially early on as nerves recover Serious reactions are rare but require immediate medical care: Rash, hives, or intense itching Swelling of the face, lips, tongue, or throat Trouble breathing or swallowing Fever, chills, or signs of infection that dont match a simple cold If anything feels out of proportion or youre unsure, stop the product and speak with your healthcare provider or seek urgent care
But they do not rebuild tissue
Sourcing BPC-157 from unregulated suppliers increases the risk of receiving impure or mislabeled products, which may lead to harm
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Mistake 3: using water that is too cold or too warm Bacteriostatic water should be at room temperature when you add it to the vial
This led us to a debate about how, when you know a bit more about B12 deficiency and Pernicious Anaemia than your GP surgery, it comes as a bit of a surprise when bureaucracy outweighs common sense
