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This includes mitochondrial function, DNA repair, and the ability to clear out senescent cells
Unfortunately, many kittens have difficulty properly absorbing nutrients in the gut, and can easily become become deficient in B12
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The FUT2 secretor variant p.Trp154Ter influences serum vitamin B 12 concentration via holo-haptocorrin, but not holo-transcobalamin, and is associated with haptocorrin glycosylation Hum Mol Genet 2017;26:4975-88
The frequency of administration may decrease over time as well once the vitamin has been able to build up a bit in the body