it supports your health system in general
Vit K is administered I.M. after birth.
Vitamin K is primarily synthesized by bacteria in the large intestine of humans. Some vitamin K can also be obtained through dietary sources such as green leafy vegetables, liver, and certain oils.
Retinol is the name given to mixture of mostly vitamin A1 and vitamin A2. Sometimes this word is used as Vitamin A.
I was looking for a brand I took years ago but couldn't find at RiteAid.com But came across StressTabs w/zinc in my search for a stress relief tablet. It's a B-complex vitamim with C and a few other vitamins to help cope with daily stress.