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After it's released into your system, B12 combines with another molecule called the intrinsic factor that aids its absorption into the small intestine
This could be a potential problem if you already have high levels of iron in your body
They should be administered by trained clinicians who screen properly first
However, a large amount of air can be dangerous, painful and a reason for B12 injections gone wrong. To remove air bubbles from a syringe, hold it upside down and flick its side several times until all air has risen to the top
This prevents learning individual response at lower amounts and wastes product if lower doses would suffice
Rhonda Patrick adds: "NAD+ precursors like NMN increase levels, aiding DNA repair and energykey for anti-aging."[34] She suggests stacking with NNMT inhibitors for sustained effects
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