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For those truly low on B12, getting injectable B12 for humans can be transformative
What spoiled B12 looks like A vial that is cloudy, discoloured, has visible particles or an unusual smell should not be used
One consideration that partially offsets the bioavailability difference involves absorption kinetics
Acknowledgements Author contributions: K
Khavinson's research showed increased telomere length in human cell cultures and extended lifespan in animal models
No two protocols are exactly alike
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