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Characterization: "Not Well-Characterized" FDA concluded that both the free base and acetate forms are not well-characterized physically and chemically, citing (1) inconsistent naming conventions that do not follow established nomenclature standards (USAN, INN, IUPAC), and (2) missing substance-specific quality-control data

This means it has antimetastatic effect as was showed in the research of spontaneous tumorigenesis in female mice mostly with tumors of the reproductive organs as mammary glands and ovaries

FOXO4-DRI is a D-amino acid retro-inverso peptide that disrupts the intracellular interaction between FOXO4 and p53 in senescent cells, triggering p53-mediated apoptosis selectively in senescent rather than healthy proliferating cells

But no substantial studies have shown a direct effect of vitamin B12 on human weight loss efforts