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Rectal glutathione delivery eliminates digestive tract and liver metabolism losses, providing 40%-50% more bioavailability through rectal vasculature
Figlioli G., et al
If you have a deficiency, you may opt for intravenous vitamin injections
doi.org/10.1056/NEJMoa2307563 3Applied Clinical Trials (2026)
Practical protocol: putting it all together Theory is useful
In addition, B12 deficiency can result in Megaloblastic Anemia, a type of anemia in which the red blood cells grow without dividing, becoming enlarged
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