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High doses of nicotinic acid (a form of niacin) can raise blood sugar levels and interfere with the effectiveness of diabetes medications, warns the National Institutes of Health.—Melissa Rudy, FOXNews.com, 22 Feb. 2026 But a very small study from 2019 found that people with diets rich in zinc and nicotinic acid may be less susceptible to their symptoms.—Jamie Ducharme, Health, 8 Sep. 2025 In an earlier study of a different asteroid named Ryugu, scientists only detected uracil and nicotinic acid.—Paul Smaglik, Discover Magazine, 29 Jan. 2025 However, nicotinic acid and niacin supplements are more likely to cause facial flushing than nicotinamide supplements.3
Eating more foods rich in niacin and tryptophan may also help treat niacin deficiency.—Brittany Lubeck, Ms, Rdn, Verywell Health, 1 Aug. 2024 Niacin, also called Vitamin B3 or nicotinic acid, is vital for their metabolism.—Fox News, 25 Mar. 2023 Niacinamide, which is also called nicotinamide, is one of two major forms of vitamin B3 (niacin) found in supplements (the other is nicotinic acid).—A.a. Newton, SELF, 8 May 2019