how much niacin is too much in a day
It can also be taken in multivitamin supplements. However, just as too little niacin is a problem, so is having too much of it in your diet. How Much Niacin Is Too Much? Though your body definitely needs niacin, too much of it can actually be toxic. Adults should not exceed 35 milligrams in a day. Teenagers up to the age of 18 can tolerate 30 milligrams at most per day, while those between the ages of 9 and 13 shouldnât have more than 20 milligrams per day.