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Choose a spot on the upper arm, thigh, or another recommended area, and clean it with a fresh alcohol wipe
The relationship between dose and response in humans is unknown
For people who cannot tolerate GI side effects or who have medical conditions that make GLP-1 agonists risky, this safety differential is not a minor footnote
One study found that high doses of oral B12 (1,000 mcg daily) could provide adequate absorption even in the presence of intrinsic factor deficiency
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