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In this review, we aim to summarise the complex pathway by which B12 is absorbed and metabolised and subsequently describe the inherited and acquired causes of B12 deficiency

The combination was actually studied by Khavinson's team and showed synergistic longevity effects in long-term clinical follow-up

Jan 16, 2026 Hey there

The trade-off is that the 1mg starting dose becomes just 10 units, which can be difficult to measure precisely on a standard syringe

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