Vitamin A. Vitamin A is also known as retinol and has several important functions. These include: 1  helping your immune system to work as it should against infections. 2  helping vision in dim light. 3  keeping skin and the linings of some parts of the body, such as the nose, healthy.
How long does a Valium high last. A Valium high will probably only last about 4 hours, maybe a little longer depending on the dosage of the medication. Some users report that the high lasts longer, with some noticeable effects a day or two later, but this doesnât seem to be common.
Common Valium side effects may include: 1  drowsiness; 2  tired feeling; 3  muscle weakness; or. 4  loss of coordination.