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research shows no additional benefit above 1 mg daily Important: Doses above 1 mg (1,000 mcg) daily showed no additional metabolic benefits in clinical research
In contrast, the passive diffusion process of B 12 absorption normally a very small portion of total absorption of the vitamin from food consumption may exceed the haptocorrin- and IF-mediated absorption when oral doses of B 12 are very large, with roughly 1% efficiency
Going slowly reduces the chance you will feel a sting
At first, you might need shots more frequently, perhaps every day for a couple of weeks, until your symptoms start to improve
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