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Vegans and Vegetarians: B12 is found almost exclusively in animal products, so those on plant-based diets must use fortified foods or supplements Older Adults: reduced stomach acid can decrease B12 absorption from food as we age People with Pernicious Anemia: this autoimmune condition prevents the body from making intrinsic factor, a protein needed for B12 absorption Individuals with Gastrointestinal Conditions: diseases like Crohn's or Celiac disease can impair nutrient absorption Patients Who Have Had Gastric Surgery: procedures like gastric bypass can reduce the body's ability to absorb B12 Certain Medications: drugs such as Metformin and proton pump inhibitors (PPIs) can interfere with B12 absorption It's important to distinguish between using vitamin b12 injectable for humans for a diagnosed medical need versus for general wellness
Gastrointestinal effects Nausea is the most commonly reported side effect with both compounds individually
Membrane redox state and apoptosis: death by peroxide
J.ZhangH.BieghsV.et al (2014)
Second, ferroptosis prevented by GPX4 might be one of the mechanisms that explain the relative immortal nature of cancer cells that contributed to poor prognosis in patients with GPX4-positive NSCLC in this study
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