In addition to fighting the common cold, Vitamin C has been recommended to prevent heart disease and strokes
Im not sure how long that takes
VITAMIN B-12 Weekly B12 injections to support energy and reduce fatigue
Vitamin B12 is found naturally in various food sources, including animal products like meat, fish, poultry, eggs, milk, and milk products ( Its also added to many fortified foods, such as breakfast cereals and plant-based milk like almond, soy, or hemp milk ( Vitamin B12 supplements are also available in several forms, including tablets, capsules, liquids, and lozenges
I'm 99% sure that these are correct for SC injections in the stomach
if they were prescribed to correct a deficiency, stopping too soon could mean it comes right back