The immediate question that comes to mind is the NPO status for both tests. One of the most important factors in TG is when you ate last (and of course the meal contents). Were these tests taken the same amount of time after the last meal?
When you state genes, are you referring to a specific genetic disorder?
Finally, what is in the herbal supplement? If the supplement contains niacin, it is the one important supplement that will raise HDL (as well as other good effects).
Do you have any significant cardiovascular history?