For oral supplementation in individuals with adequate absorption capacity, serum B12 levels typically begin rising within one to two weeks of starting treatment
Yue L, Rasouli N, Ranganathan G, Kern PA, Mazzone T
The generation of HSL-null mouse models, however, demonstrated clearly the existence of residual HSL-independent TAG lipase activity, suggesting the presence of previously unidentified adipocyte enzyme(s) with TAG hydrolase activity (44, 94, 134)
Choline, inositol, and methionine are discussed in relation to methyl-donor balance, membrane biology, and nutrient metabolism