Contact your GP if: You have been found to have elevated B12 levels and have not received an explanation or follow-up plan You are taking high-dose B12 supplements without medical supervision You develop new symptoms whilst taking B12 supplements, particularly skin changes, persistent headaches, or gastrointestinal symptoms You have risk factors for liver disease (alcohol excess, viral hepatitis, obesity) and have elevated B12 You experience unexplained weight loss, night sweats, or persistent fatigue alongside elevated B12 Seek urgent medical attention if you experience: Jaundice (yellowing of skin or eyes) Severe abdominal pain or swelling Unexplained bruising or bleeding Confusion or altered consciousness Severe, persistent vomiting These symptoms may indicate serious underlying conditions such as acute liver failure, haematological emergencies, or other critical illness requiring immediate assessment

Heres what stands out: NAD+ therapy has been shown in multiple human studies to support mitochondrial health, cellular energy, cognitive function, and inflammation regulation
The published research base on CagriSema in particular has produced clinically meaningful findings that connect to broader questions about how multi-pathway metabolic intervention compares to single-pathway approaches
The answer depends on whether the vial is still lyophilized powder or has already been reconstituted into solution
AOD-9604 has human clinical trial data and FDA GRAS status