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This synthetic vitamin B12 is the same type found in fortified cereals, so you may have ingested man-made vitamin B12 in your life already
They must, however, transit through the digestive system before entering the bloodstream
It also leads to perverse treatment outcomes
Others schedule maintenance to help keep levels steady, especially if they follow a plant-forward diet, take certain medications that affect absorption, or have a history of deficiency
If fatigue is ongoing, unexplained, or affecting your quality of life, it may be worth exploring whether B12 deficiency is a contributing factor
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