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And because B12 is water-soluble, any excess amounts are flushed out with the urine, so its very safe

Some synthetic peptides are well-studied and FDA-approved

doi: 10.3389/fmed.2026.1698091 Received 03 September 2025 Revised 16 March 2026 Accepted 19 March 2026 Published 20 April 2026 Volume 13 - 2026 Edited by Liliana Gabriela Popa, Carol Davila University of Medicine and Pharmacy, Romania Reviewed by Manoj B

Ann Neurol 2014;75:597601

This emphasizes the significant role of vitamin B12 in DNA synthesis, myelin sheath maintenance, and cell metabolism, underscoring its essential contribution to promoting good health