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If and when urolithin A producer tests become commercially available, well update this section of our guide

Serum vitamin B12 levels show whether the patient is getting better

Common causes include: Pernicious anemia, an autoimmune disorder hindering Vitamin B12 absorption Gastrointestinal surgeries, like gastrectomy, impact Vitamin B12 uptake Long-term use of certain medications, such as metformin or proton pump inhibitors Diets lacking in Vitamin B12, often seen in vegans and vegetarians For those without a deficiency, Vitamin B12 injections are not typically recommended, as their body can naturally regulate and excrete excess amounts of the vitamin

Drinking on an empty stomach causes alcohol to reach the small intestine more quickly, where most alcohol absorption occurs

B12 is crucial for converting food into usable energy, so restoring optimal levels can significantly reduce tiredness and lethargy