21. 6, vitamin C, niacin , potassium, copper, and manganese. 22. It is a combination of the vitamin niacin and the statin drug lovastatin. 23. The disease itself is caused by a niacin deficiency. 24. Niacin can cause severe flushing, making people feel hot and reddening their faces.25. The nixtamalization process frees niacin into a state where the intestines can absorb it. 26. This maculopathy is reversible after niacin intake ceases. 27. In 1955, Altschul and colleagues described niacin as having a lipid lowering property. 28. Trigonelline is a product of niacin metabolism that is excreted in urine of mammals. 29. The outflow of serotonin can cause a depletion of tryptophan leading to niacin deficiency. 30. Jumiles are also a good source of tryptophan and the vitamins riboflavin and niacin .