What does an ast of 40 and an alt of 80 indicate for a 57 year old female?

Mild Liver Problem: Your liver enzymes are elevated for some reason. It could be due to any of several reasons. For instance, a viral infection, too much alcohol consumption, a drug reaction, reaction to gluten, or a severe deficiency of one or more of the nutrients critical for either phase 1 or 2 of the liver detoxification pathways. Talk to your doctor about what to do next.

Elevated LFT's: Elevated Liver function tests may occur for a variety of issues form Fatty infiltration (hepatic steatosis), viral illnesses such as the hepatitis viruses, Alcoholism, increased use of medications that metabolize through the liver (such as Acetaminophen), cirrhosis, biliary disease, gallbladder disease, etc, etc. Get an evaluation for the most likely cause of your LFT elevations. Best wishes.