ROS production and associated inflammation are closely related to aging and numerous chronic diseases as diabetes, cardiovascular and respiratory diseases, known risk factors for developing severe illness and death in patients with SARS-CoV-2 and COVID-19 disease
Excellent dietary sources include : Meat and poultry : beef, lamb, pork, chicken, and particularly organ meats such as liver Fish and shellfish : salmon, trout, tuna, sardines, mackerel, and clams (which are exceptionally rich in B12) Dairy products : milk, cheese, and yoghurt Eggs : particularly the yolk For patients following plant-based diets or those with significantly reduced appetite, fortified foods can provide B12, including fortified breakfast cereals, plant-based milk alternatives, nutritional yeast, and some meat substitutes
Intramuscular (or subcutaneous per the compounders label)
References Zhou, X