[3] It is examined for its role in peptide-metal interactions, redox signaling, and metalloproteinase regulation
Excellent dietary sources include : Meat and poultry : beef liver (particularly rich), lamb, chicken, and turkey Fish and seafood : salmon, trout, tuna, sardines, and shellfish (especially clams and mussels) Dairy products : milk, cheese, and yoghurt provide moderate amounts Eggs : particularly the yolk contains bioavailable B12 Fortified foods : breakfast cereals, plant-based milk alternatives, fortified yeast extracts (such as Marmite), and fortified nutritional yeast For individuals following plant-based diets, fortified foods and supplements become essential , as naturally occurring B12 in plant foods is negligible or in forms poorly utilised by humans
It is generally stored refrigerated at 2 to 8C and protected from light
It's a sensible, low-cost way to introduce any new active