Klein, E
Treat the stack-level rationale as theoretical, not proven
Finally, there is B12 in some plant foods but most of it is not human usable or is not reliable or tested
Therefore, carnitine excretion by the kidney is usually very low
More than 30% of people aged 60 and over showed no detectable neutralizing antibodies after the second dose of the BNT162b2 COVID-19 vaccine, developed by BioNTech (Germany) and Pfizer (USA), in comparison to the younger group where almost 98% exhibited a significant immune response defined by antibody production [35]
V. Kh. Khavinson, N. S. Linkova, and S. I. Tarnovskaya, Short Peptides Regulate Gene Expression, Springer Science and Business Media LLC, Dec. 2016. doi: 10.1007/s10517-016-3596-7