[1] If during injection a patient experiences chest pain, difficulty breathing, hives, or swelling of the face or throat, it could indicate anaphylactic shock
Breast cancer is a disease that can be prevented by taking B12 vitamins and B6 and folate
Still, side effects from B12 supplements are possible, especially at higher doses, and include: Headache Nausea Vomiting Fatigue Weakness Diarrhea Tingling in the hands and feet Nasal spray Vitamin B12 is also available in a nasal spray
Most people having B12 injections (intramuscular) will see an improvement in the first 24 hours, but the hematological response, including the quick production of new red blood cells, may take several days to months for a full response
In this case study, sheep ate far too much cracked barely at once, for instance - Moldy feedstuffs can contain certain enzymes that produce thiaminases, as well