| Niacin Inj 100MG/ML | 🇨🇦Canada | 100 MG / ML | Solution | Not marketed | Kripps Pharmacy LTD. |
| Inositol Nicotinate 250 MGCombination | 🇨🇦Canada | 51 MG + 186 MG | Tablet | Cancelled | General Nutrition Canada INC. |
| Acti-Niacin Caplet 500MG | 🇨🇦Canada | 500 MG | Tablet | Cancelled | Acti-Form LTD. |
| Multi-ActinCombination | 🇨🇦Canada | 250 MG / CAP + 15000 UNIT / CAP + 75 MCG / CAP + 300 MG / CAP + 75 MCG / CAP + 75 MG / CAP + 1 MG / CAP + 0.10 MG / CAP + 150 MG / CAP + 2 MG / CAP + 50 MCG / CAP + 100 MG / CAP + 100 MG / CAP + 50 MG / CAP + 100 MCG / CAP + 75 MCG / CAP + 5000 UNIT / CAP + 100 MG / CAP + 75 MCG / CAP + 100 MG / CAP + 100 MG / CAP + 400 UNIT / CAP + 200 UNIT / CAP + 20 MG / CAP | Capsule | Cancelled | Ahmed'S Sunforce International Products INC. |
| Niacin 50MG | 🇨🇦Canada | 50 MG | Tablet | Cancelled | Great Earth Companies, INC. |
| Niacin 100MG | 🇨🇦Canada | 100 MG | Tablet | Cancelled | Valeant Canada LP / Valeant Canada S.E.C. |
| Niacin 100MG | 🇨🇦Canada | 100 MG | Tablet | Cancelled | Great Earth Companies, INC. |
| Niacin 250MG | 🇨🇦Canada | 250 MG | Tablet | Cancelled | Great Earth Companies, INC. |
| Niacin 500MG | 🇨🇦Canada | 500 MG | Tablet | Cancelled | Valeant Canada LP / Valeant Canada S.E.C. |
| Niacin 500MG | 🇨🇦Canada | 500 MG | Tablet | Cancelled | Great Earth Companies, INC. |
| Niacin 100 MG | 🇨🇦Canada | 100 MG | Capsule | Cancelled | Flora Manufacturing and Distributing LTD. |
| Niacin Tab 50MG | 🇨🇦Canada | 50 MG | Tablet | Cancelled | Pro Doc Limitee |
| Niacin 500 MG and InositolCombination | 🇨🇦Canada | 150 MG / TAB + 500 MG / TAB | Tablet | Cancelled | Quest Vitamins A Div of Purity Life Health Products |
| Niacin 100MG Tab | 🇨🇦Canada | 100 MG | Tablet | Cancelled | Gahler Enterprises LTD. |
| Niacin Cap 250MG | 🇨🇦Canada | 250 MG / CAP | Capsule | Cancelled | Quest Vitamins A Div of Purity Life Health Products |
| Niacin-Niacinamide TabCombination | 🇨🇦Canada | 300 MG / TAB + 100 MG / TAB | Tablet | Cancelled | Seroyal International INC. |
| Niacin SRC 400MG | 🇨🇦Canada | 400 MG / CAP | Capsule (Sustained-Release) | Cancelled | Anabolic Laboratories INC. |
| Niacin Tab 100MG | 🇨🇦Canada | 100 MG | Tablet | Cancelled | Stanley Pharmaceuticals, A Division of Vita Health Products INC. |
| Niacin Tab 100MG | 🇨🇦Canada | 100 MG | Tablet | Cancelled | Nu-Life Nutrition LTD. |
| Niacin Tab 250MG | 🇨🇦Canada | 250 MG / TAB | Tablet | Cancelled | Nutristar Health Products (1987) INC. |
| Niacin Tab 475MG | 🇨🇦Canada | 475 MG / TAB | Tablet (Extended-Release) | Cancelled | Pure Life International Prods INC. |
| Niacin Tab 500MG | 🇨🇦Canada | 500 MG / TAB | Tablet | Cancelled | Klaire Labs INC. |
| Niacin Tab 500MG | 🇨🇦Canada | 500 MG | Tablet | Cancelled | Stanley Pharmaceuticals, A Division of Vita Health Products INC. |
| Niacin Tab 500MG | 🇨🇦Canada | 500 MG / TAB | Tablet | Cancelled | Quest Vitamins A Div of Purity Life Health Products |
| Niacin-100 Tab 100MG | 🇨🇦Canada | 100 MG | Tablet | Cancelled | Pro Doc Limitee |
