To make these side effects less, doctors might change how they give the shot or where they give it
2Centre for Liver & GI Research, Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, UK
However, some critical questions remain to be answered before clinical application
Common Deficiency Symptoms Common symptoms of Vitamin B12 deficiency include: Fatigue Weakness Pale skin Shortness Mouth Issues: Sore, red tongue, mouth ulcers, bleeding gums Gastrointestinal: Loss of appetite, weight loss, nausea, diarrhea, constipation Nerve issues like numbness/tingling Mood changes (depression, irritability) Memory problems Key Differences: NAD+ vs B12 NAD+ and B12 both boost energy, but NAD+ acts as a deep cellular, anti-aging repair agent, while B12 provides immediate metabolic energy and red blood cell support
However, in contrast, a 2020 analysis that looked at berberine studies found essentially no significant weight loss effect at all (just 0.25 pounds on averageabout the weight of a small apple)
