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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 Medically-Approved vs
No studies have used actual ADHD models or tested attention, hyperactivity, or impulsivity in relevant paradigms
World Anti-Doping Agency The Prohibited List 2026
Avoid if pregnant, breastfeeding, or planning pregnancy
This route of intake is generally safe
Vitamin B12 plays a crucial part in their formation
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