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Studies have shown that long-term use of metformin may be associated with B12 deficiency
They give you a single chart and pretend it works for everyone
It's about how you drive, not where you're going
Summary: Feeling worse after a B12 injection typically reflects your body adjusting to replenished vitamin levels, triggering metabolic processes that may temporarily cause fatigue, headaches, or injection site discomfort
Vitamin B12 foods: animal and plant-based sources of vitamin B12 Vegan and Vegetarian Sources of Vitamin B12 Can a vegan diet cause vitamin B12 deficiency
High levels: Elevated vitamin B12 levels are generally rare and are usually not a cause for concern
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