Ask the doctor.  I tried taking niacin to increase my HDL but didn't like the flushing it caused.  A friend told me about no-flush niacin, which works like a charm.  Why not tell your readers about it?
Lee
Thomas
T
D008076:Cholesterol, HDL / Q000187:drug effects*; D005483:Flushing / Q000139:chemically induced* / Q000517:prevention & control; D006801:Humans; D000960:Hypolipidemic Agents / Q000009:adverse effects* / Q000494:pharmacology* / Q000627:therapeutic use; D009525:Niacin / Q000009:adverse effects* / Q000494:pharmacology* / Q000627:therapeutic use; D016896:Treatment Outcome
D008076:Cholesterol, HDL; D000960:Hypolipidemic Agents; D009525:Niacin