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B12 shots contain synthetic B12 that is injected into a muscle
[9] Visual disturbances have been reported in patients with Leber hereditary optic neuropathy, and rapid B12 administration may precipitate optic nerve atrophy in this genetically predisposed population, mandating extreme caution or alternative therapy
However, there is an enzyme that can rebuild telomeres: telomerase
Chem Phys Lipids 235:105027
Clinical Update 7/14/2026 Protein to Improve Sleep
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