41. Wakame also has high levels of sodium, calcium, iodine, thiamine and niacin . 42. Shiitake mushrooms, on the other hand, have much less niacin , iron and protein. 43. Niacin aides in maintaining healthy nerves.44. Niacin : Important for heart health.45. Anding said that typical sexual enhancement products contain niacin , which causes blood vessels to dilate. 46. The niacin one also was published in Circulation, the heart association's medical journal. 47. A cooking technique called nixtamalization increases the bioavailability of niacin during maize meal / flour production. 48. Niacin increases apolipoprotein A1 levels due to anti catabolic effects resulting in higher reverse cholesterol transport.49. Narconon's " drug bomb " includes a niacin dose of 4000 mg / day. 50. Second, it may result from deficiency of tryptophan, that the body converts into niacin .