niacinDict.lkDict.lk - Sinhala to English DictionaryMeaning niacin Tweet Sinhala Dictionary definitions for niacinniacin 🔊 /najˈʌsʌn or najˈʌsɪn/niacin : නිකොටිනික් අම්ලයLern More AboutWiki Definition: niacinGoogle Search result: GoogleWiki Article: Wikipedia Tweet