A-25 by Bio-Tech is a supplement that has a high amount of vitamin A. This is a vitamin for the body that has several benefits. It is often taken to support the health of the vision and the eyes. The product can be used to decrease some of the symptoms that are associated with diseases that affect the eyes, such as cataracts or glaucoma. A-25 by Bio-Tech is also taken to support the growth of healthy cells in the body. Some take the supplement to boost the immune system. A-25 by Bio-Tech can give a smooth look to the skin. Those with acne and wrinkles might find that the supplement can help decrease some of the effects on the face. It can also provide moisture for the skin.