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B12 absorption declines with age (4)
Not intended to diagnose, treat, cure, or prevent any condition.
Due to the complicating factor of a shot and the extra cost, it seems the best route for most people is to focus on getting adequate B vitamins from food, and supplement as necessary.
Risk factors include vegetarian or vegan diets, age over 50 (reduced gastric acid impairs absorption), proton pump inhibitor use, prior gastric surgery, and Type 1 diabetes
The schedules below reflect standard clinical practice for the protocols prescribed at Perfect B
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