As a concept, âresearch ethicsâ refers to a complex set of values, standards and institutional. schemes that help constitute and regulate scientiï¬ c activity. Ultimately, research ethics is. a codiï¬ cation of ethics of science in practice.
Vitamin B-3, also known as niacin, is an essential nutrient for the body. It helps major organs function properly. It also helps the body repair DNA. The recommended daily dose of vitamin B-3 for different groups varies: 2 to 12 mg a day for children. 14 mg a day for women. 16 mg a day for men.
Common side effects of niacin include flushing, itching, and gastrointestinal disturbances, such as nausea and vomiting. Hepatotoxicity (liver cell damage), including elevated liver enzymes and jaundice, has been observed at intakes as low as 750 mg of niacin per day for less than three months (84, 85).