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Vladimir Khavinson, a gerontologist, and his team
It is not listed in any major Western clinical guideline
Some practitioners may recommend B12 shots up to two times per week to enhance energy levels and fat metabolism [2]
Man made form of dietary supplements B12 can help bridge dietary gaps lacking sufficient animal products, while some nutrients can be found naturally
Extrapolating this to a 70kg human using the standard FDA allometric scaling factor (dividing by 6.2) suggests a human-equivalent dose of approximately 8mg/kg, or 560mg daily
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