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Insider's takeaway The Institute of Medicine has not established a tolerable upper intake level of B12 because studies show no adverse health effects when taking excess levels of B12, either through food or supplements
10 Signs of B12 deficiency Nausea Vomiting Loss of appetite Poor absorption of food Constipation Gas Weight Loss Fatigue/ Lethargy Abdominal Pain Diarrhea Recommended Weekly Dosage of Vitamin B12 During FIP Treatment For non-anemic adult cats, up to 250-500 microgram (mcg) every weeks
You will also need alcohol swabs for disinfection, bacteriostatic water for reconstitution (if using lyophilized powder), a sterile mixing syringe if reconstituting, and a sharps container for safe needle disposal
Or three 10mg vials (weeks 1-8) plus three 30mg vials (weeks 9-16)
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