But if you're dragging despite sleep, dealing with unexplained weight resistance, or you've tested low for B12, it's worth the conversation
You can get most of the vitamins your body needs simply by eating right, but B12 is unique
But it seems most common to see B12 half-life in plasma reported as 6 days, for example in the cyanocobalamin pharmaceutical insert : s3-us-west-2.amazonaws.com/
Certain medications can interfere with the absorption or metabolism of Vitamin B12, potentially leading to a deficiency over time
Another side effect is a temporary increase in blood sugar
You could be irritable, anxious, weepy, or completely flat