dizziness after taking glutathione Injections Vitamin Deficiency May Cause Dizziness

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

10.1016/j.tibs.2016.07.009 Trends Biochem

Limited Human Data: Most benefits are derived from animal studies, so long term safety and efficacy in humans remain uncertain

doi: 10.1016/j.aquaculture.2017.06.032

Their feedback can provide encouragement during plateau periods and confirmation that improvements are real rather than imagined