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Puritan's Pride - Niacin is a vitamin B3 supplement that is important for energy metabolism and nervous system health.
Food supplement Puritan's Pride - Niacin contains niacin (vitamin B3, nicotinic acid), belongs to the B vitamins.
Food supplement UNS - Niacyna Witamina B3 contains vitamin B3 (aka niacin or vitamin PP), which has a positive effect on the functioning of the nervous system and brain.