fish oil and glutathione FLX Omega 3 Multivitamin vs Fish Oil: Ultimate

NAD+ and mitochondrial biogenesis NAD+ works as a vital cofactor that changes metabolism, activates sirtuins, and keeps mitochondrial fitness through mechanisms like the mitochondrial unfolded protein response

Both times have benefits, but it depends on your goals

Vitamin B12 shots may not be suitable for people with a history of: sensitivity to vitamin B12 Lebers disease, which affects the optic nerve kidney problems hypokalemia (low potassium levels) deficiencies in other nutrients, particularly folic acid and iron Vitamin B12 injections typically begin to work straight away

10.1186/s12868-015-0160-8 BMC Neurosci