There are some slight differences between these products that could account for the difference in price
Cognitive Support Higher NAD levels activate sirtuins 10 (SIRT1, SIRT3), which protect brain cells by reducing oxidative stress, supporting DNA repair, and improving mitochondrial health
B Complex injections contain a powerful combination of essential B vitamins
22,23 In patients with a normal or low-normal serum vitamin B 12 level, complete blood count results demonstrating macrocytosis, or suspected clinical manifestations, a serum methylmalonic acid level is an appropriate next step 1,2,6,18 and is a more direct measure of vitamin B 12 's physiologic activity
Unprescribed wellness or weight loss treatments Some wellness companies and alternative medicine providers offer vitamin injections without a prescription or proper medical evaluation