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You might be experiencing a Vitamin B12 deficiency

Kraus 2014 NNMT knockdown reference study

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Once administered, the nutrients are absorbed into the bloodstream and distributed to your tissues and organs, where they begin supporting your body's natural functionswhether that's boosting energy, enhancing immunity, or accelerating recovery

Unopened freeze-dried vials can be kept at room temperature or in the refrigerator for short periods with no issue

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