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Some physicians limit B12 shots only to those with documented deficiencies or absorption issues to prevent unnecessary treatment where dietary B12 is sufficient

They have been shown to inhibit tumor activity and growth in multiple preclinical studies modeling a range of cancer types (Jokovi 2025

Most patients tolerate PRP injections well

Programs are individualized after consultation and provider review

Since B12 is found primarily in animal products, including meat, fish, dairy, and eggs, a substantial reduction in food intake can reduce B12 consumption below optimal levels, particularly for patients who were already borderline deficient before starting treatment or whose diets lean toward plant-based foods