| Part of speech | common noun |
|---|---|
| Hyphenation | ni·a·sien |
| Dutch | nicotinezuur; niacine |
|---|---|
| English | niacin; nicotinic acid |
| Esperanto | nikotina acido; nikotinacido |
| Finnish | nikotiinihappo |
| German | Nikotinsäure; Niacin |
| Hungarian | niacin; nikotinsav |
| Italian | acido nicotinico; niacina |
| Malay | niasin; asid nikotinik |
| Portuguese | niacina; ácido nicotínico |
| Russian | никотиновая кислота; ниацин |
| Swedish | niacin; nikotinsyra |
| Thai | ไนอาซิน; ไนอะซิน; กรดนิโคตินิก |
| Turkish | niyasin; nikotinik asit |
| Ukrainian | нікотинова кислота; ніацин |