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Control mice, by comparison, gained 1.4% over the same period
Prepare the injection only as you were taught
This rapid response is due to the direct injection of Vitamin B12 into the bloodstream, which allows for quick uptake by the body
Intramuscular injection bypasses the digestive system entirely, which may be particularly relevant for patients with gastrointestinal conditions, medication interactions, or nutrient-specific absorption challenges
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