does vitamin b12 injection cause sleepiness Side Effects and Safety When Do You Feel Less

The second option is to have vitamin B12 injections

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

The supervised approach is what lets you get the upside while someone qualified is watching for anything that doesn't fit

Also consider a folate supplement (680 to 1,360 mcg DFE, or 400 to 800 mcg folic acid), particularly if you're a woman in your childbearing years