Dr. David Williams recommends this preservative and gluten-free product to help boost memory and prevent Alzheimer's. He also recommends it for joint support. Niacinamide may help a person's sense of balance. Niacinamide does not cause flushing.* Freeda’s kosher niacinamide is also vegetarian. Due to popular demand, this product is now in capsules, for ease of swallowing and more bioavailability.