The amazing healing power of Malaysian herbs is often overlooked. Many of us would by-pass the Ulam section at a buffet and miss out on the natural healing powers of these unassuming local herbs. Ulam has Angiotensin-converting enzyme ( ACE ) inhibitors that help relax your veins and arteries to lower your blood pressure. ACE inhibitors prevent an enzyme in your body from producing angiotensin II, a substance that narrows your blood vessels. Ulam Ingredients Below is a list