When symptoms are attributed to high B12 intake, they typically include: Skin reactions : Acne-like eruptions or rosacea-type rashes, particularly with hydroxocobalamin injections (listed as rare adverse effects in the product information) Gastrointestinal disturbances : Mild nausea, diarrhoea, or abdominal discomfort Headaches : Occasional reports of headache following B12 injections Anxiety or restlessness : Anecdotal reports, though causation remains unestablished It is crucial to distinguish between symptoms caused by elevated B12 levels and those arising from the underlying conditions that elevate B12
Korphaisarn K, Loree JM, Nguyen V, Coulson R, Holla V, Litzenburger BC, Chen K, Mills GB, Maru DM, Meric-Bernstan F, Shaw KRM, Kopetz S
Anita S
Zhang, C
How is NAD+ given, IV, injection, or oral
Figure 3 (b) Glycolysis pathway, demonstrating niacins (B3) role in the conversion of 1,3-bisphosphoglycerate to 3-phosphoglycerate, and its links to both the Pentose Phosphate Pathway and the Krebs Cycle ( (c) Krebs Cycle, illustrating its connection to glycolysis, Electron Transport Chain, and Fatty Acid Beta-Oxidation pathway