a acetyl glutathione S-Acetyl ULTRA When taken orally Acetyl Glutathione 200 120 ct.
Description
And then I would point out that there seems to be something else going on regardless of the amount of B12 in the patients blood

Bowers SJ, Vargas F, Gonzlez A, et al

Formulated with copper peptide and a peptide complex to help improve the appearance of fine lines and support smoother, more refined-looking skin with continued use

& Settleman, J

Vitamin b12 injection for cats is responsible for maintaining flourished coat
