Niacin and Niacinamide Market: size was valued at US$ 938.29 million in 2020 and the Niacin and Niacinamide revenue is expected to grow at 5.8% through 2021 to 2027, reaching nearly US$ 1,392.31 million. Niacin and Niacinamide Market Overview: Stellar Industry Research's Niacin and Niacinamide Industry