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The powder should dissolve within 1-5 minutes, resulting in a clear solution
Most people can prevent vitamin B12 deficiency by eating foods that have vitamin B12
The choice depends on your goals, with systemic healing favoring injection and gastrointestinal healing favoring oral delivery
Other issues, like atrophic gastritis (a thinning of the stomach lining), reduce the production of stomach acid, which is essential for releasing B12 from food
"Vitamin B-containing plant food sources for vegetarians"
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