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By bypassing the gastrointestinal tract, vitamin B12 injections effectively restore normal levels of the vitamin, alleviating symptoms and preventing complications
They're great for boosting energy and can help with things like fatigue and nerve function
Age-related decline in NAD+ can cause low energy and poor cognition
In two trials employing 1000 g/day oral vitamin B 12 , there was no clinically relevant difference in vitamin B 12 levels when compared with IM vitamin B 12
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