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5 Conclusion This systematic review and meta-analysis indicate that sublingual and oral vitamin B12 administration provide efficacy comparable to intramuscular injection in improving serum cobalamin levels and reducing hyperhomocysteinaemia
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PMID: 23055539
While many dietary supplement brands claim to boost metabolism, suppress appetite, or promote weight loss, research is lacking on these claims
Xing Y, Zhang Y, Li Y, et al
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