Based on your numbers, I calculate your LDL at 57, which is very good. I would work
to raise your low
HDL, everything else is fine. Exercise works well as does
Niacin, but do not start a new supplement or exercise routine without discussing it with your doctor.
Eve with a low HDL, you TC/HDL ratio is good. Having such a low LDL makes your low HDL less of a risk, but it still should be around 40 or better.