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NUTRITION 6-MIN READ UPDATED MAY 2026 Vitamin B12 After Bariatric Surgery: Why It Matters and How to Stay Above the Risk Line B12 deficiency is the most under-diagnosed long-term complication of bariatric surgery

Since it cant be sold as a regulated medication, most of what is available online is sold as an unregulated research chemical. This means there is no oversight on purity or quality, and products can be contaminated with heavy metals or bacteria

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Some SNPs have no effect on your health, serving as biological markers that occur about once in every 300 nucleotides

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