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Dosage and Administration: Administer on the advice of your veterinarian
Adequate intake (AI): AI is the average intake level taken by people who areconsidered Trusted Source PubMed Central Go to sourceto be healthy in studies
Three RCTs met inclusion criteria The trials randomized 153 participants (74 participants to oral vitamin B12 and 79 participants to IM vitamin B 12 )
Supplement: Which is More Effective
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