| 51407-118 | NIACIN | NIACIN | Golden State Medical Supply Inc. | ANDA | Current |
| 51407-118 | NIACIN | NIACIN | Golden State Medical Supply, Inc. | ANDA | Current |
| 51407-118 | NIACIN | NIACIN | Golden State Medical Supply | ANDA | Current |
| 57297-223 | NIACIN | NIACIN | LUPIN LIMITED | ANDA | Current |
| 68084-773 | NIACIN | NIACIN | American Health Packaging | ANDA | Current |
| 68180-223 | NIACIN | NIACIN | Lupin Pharmaceuticals, Inc. | ANDA | Current |
| 68180-223 | NIACIN | NIACIN | Lupin Pharmaceuticals, Inc. | ANDA | Current |
| 68180-223 | NIACIN | NIACIN | Lupin Pharmaceuticals, Inc. | ANDA | Current |
| 68180-223 | NIACIN | NIACIN | Lupin Pharmaceuticals, Inc. | ANDA | Current |