
How would you check and maintain your B12?
Vitamin B12 is a critical yet misunderstood topic in vegan and raw vegan communities, often cited as a reason against plant-based diets. B12 absorption depends not only on dietary intake but also on digestive health. Even those consuming animal products may experience deficiencies due to poor absorption.
B12, or cobalamin, is essential for red blood cell production, DNA synthesis, and nerve function. Unlike most water-soluble vitamins, B12 can be stored in the liver for years. However, deficiencies can lead to anemia and irreversible nerve damage. The body requires an intrinsic factor from the stomach for absorption.
Animals obtain B12 from bacteria in soil, but modern farming depletes cobalt, leading to fortified feeds. Those on a natural lifestyle avoid animal products and supplements, yet some raw vegans maintain adequate B12 levels, possibly through intestinal bacteria synthesizing B12 from dietary cobalt.
Testing is crucial—modern tests measure active B12 and MMA levels for accuracy. If deficient, supplementation may be necessary. Methylcobalamin is the preferred form over cyanocobalamin, which contains cyanide and is less absorbable. Some may require lifelong supplementation if their body cannot synthesize B12 naturally.
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