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The most common protocol is 250mcg twice a day, injected under the skin
Cells, 11 (9), 1555
Avoid High-Heat Cooking with Glutathione-Rich Foods While you can get some precursors from foods like spinach, avocado, and asparagus, heat often destroys the delicate tripeptide
Discovering the definitive answer to the question: What is the best place for B12 injection? for optimal administration and effectiveness
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