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For sustainable results, it should be integrated into a balanced plan that includes proper nutrition, exercise, and stress management
The pill may be preferable for people who dislike injections, but it must be taken very precisely on an empty stomach each morning
When taken orally, B12 may not absorb efficientlybut an injection bypasses the digestive system and goes directly into the bloodstream, ensuring maximum effectiveness
doi: 10.7326/0003-4819-148-10-200805200-00215
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