A good book to start with is Prescription for Nutritional
Healing. The best supplement I know of
for high blood pressure is the linden mistletoe tincture combination from Herb Pharm, but there are many products out there. For cholesterol, the most important thing is what you stop eating, which is the wrong kind of fat such as hydrogenated vegetable oil, and what you eat instead, such as fatty wild fish or flax seeds and hemp seeds, foods high in the good cholesterol.