So, if you HDL 2 is in range, you may be worrying
for no reason. HDL can only be readily raised by losing
weight, controling diabetes or prediabetes, or by taking niacin. Avoiding execessive carbohydrates even in people with normal glucose control may be helpful as well.
How much fish oil can I safely take?
Look at the AHA website. They give recommendations as to intake of fish oil. The amount is gaged by adding the mgs of EPA + DHA.
Niacin........