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A 150 mcg dose = 0.045 mL = about 45 units on a U-100 syringe
Oral B12 supplements are absorbed at roughly 1 to 5% in healthy adults, and even less in people with low intrinsic factor, atrophic gastritis, or gut absorption issues
This product is not recommended for use when selenium intake from pasture is high or provided by other means (such as top dressing, vaccine, pellets or selenium drenches)
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