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Description
doi: 10.1172/JCI25102
When total B12 levels are difficult to interpret, measurement of holotranscobalamin (active B12), methylmalonic acid (MMA) , or homocysteine can provide a clearer picture of functional B12 status, though availability and interpretation vary (for example, MMA rises in renal impairment)
Preservative-Enhanced: Contains 0.9% benzyl alcohol to inhibit bacterial growth, supporting multiple withdrawals for medication reconstitution
Format: Lyophilised powder
