Here are just a few key functions of B12: Supports red blood cell formation and oxygen transport Helps maintain nerve function and brain health Plays a role in mood regulation and focus Supports energy metabolism and fat/protein breakdown When your body doesnt get enough, symptoms like fatigue, brain fog, irritability, and weakened immunity often show up
If your results show a mild deficiency and your GP confirms you dont have absorption issues, you can then try a high-dose sublingual spray for 3 months and re-test
The clinical caution most people skip The GH/IGF-1 axis is not a free lunch
As an inhibitor of nicotinamide N-methyltransferase (NNMT), 5-Amino-1MQ helps shift the body away from energy conservation and toward increased metabolic activitysupporting fat reduction while preserving lean tissue
Over time, maintenance doses are scheduled at longer intervals
But if you dont have enough B12, those processes slow down and you feel tired and exhausted