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Individuals with B12 deficiency, which can occur due to dietary restrictions (e.g., vegan or vegetarian diets), gastrointestinal disorders affecting absorption, older age, or certain medical conditions that interfere with B12 absorption

As of 2025, no published in vivo data demonstrate that BPC-157 inhibits tumor progression, reduces volume, or suppresses metastasis

[2] [3] Cross-sensitivity between antibiotic sulfonamides and nonantibiotic sulfonamides, such as topiramate, is controversial

If your body cant absorb the vitamin through food and starts showing the symptoms of deficiency, your doctor might prescribe vitamin B12 shots