do b12 injections work better than pills Vitamin Injections: Good or Bad? B12 Injections vs Oral Supplements:
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for some, it's a medical necessity
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PMID: 57 FrerichsKAMinnemaMCLevinM-DBroijlABosGMJKerstenMJet al
While B12 is naturally present in animal-based foods such as meat, fish, and dairy, many people struggle to get adequate amounts due to dietary restrictions, absorption issues, or certain medical conditions
