To answer this question, you need to understand the different types of vitamins and their names.
Option A) Pyridoxine - This option is incorrect because pyridoxine is actually another name for vitamin B6, not vitamin B3.
Option B) Niacin - This option is correct. Niacin is another name for vitamin B3. It is an essential nutrient that plays a role in energy metabolism and the functioning of the nervous system.
Option C) Tocopherol - This option is incorrect. Tocopherol is actually another name for vitamin E, not vitamin B3.
Option D) Ascorbic acid - This option is incorrect. Ascorbic acid is another name for vitamin C, not vitamin B3.
The correct answer is B) Niacin. This option is correct because niacin is another name for vitamin B3.