NOW Foods Niacin 500 mg Capsules are designed for adults who want a high-strength vitamin B3 supplement for everyday wellness and nutrient metabolism support. Niacin, also known as vitamin B3, is an essential B-group vitamin involved in several normal metabolic processes in the body.
NOW Foods Canada describes niacin as helping maintain good health, metabolize proteins, fats, and carbohydrates, and aid normal growth and development. The product is listed as a high-potency formula and contains the regular form of niacin.
This product should be used carefully because 500 mg is a high dose of niacin. NOW Foods’ suggested use states to take 1 capsule daily as needed, with a meal, and notes that this high-potency capsule should be taken under doctor’s supervision.
Key Product Benefits
- Provides 500 mg niacin / vitamin B3 per capsule
- Helps maintain good health
- Supports metabolism of proteins, fats, and carbohydrates
- Aids normal growth and development
- High-potency vitamin B3 formula
- Regular form of niacin
- Convenient capsule format
- Suitable for adults looking for vitamin B3 support
Best For
NOW Foods Niacin 500 mg Capsules may be suitable for:
- Adults looking for vitamin B3 support
- People looking for a high-potency niacin supplement
- Nutrient metabolism support
- Daily wellness routines
- Customers who specifically want regular niacin
- People who understand and can tolerate niacin flushing
How to Use
Take as directed on the product label. NOW Foods’ suggested usage is 1 capsule daily as needed, with a meal. Because this is a high-potency niacin product, it should be taken under a doctor’s supervision.
Do not take on an empty stomach. Avoid alcohol, hot drinks, or spicy foods around the time of use if you are sensitive to flushing.
Safety Information
This product may cause a temporary niacin flush, including warmth, redness, itching, tingling, or a red rash on the skin. This is common with regular niacin, but if discomfort is severe or prolonged, stop use and speak with a healthcare professional.
Ask a doctor or pharmacist before use if you are pregnant, breastfeeding, taking medication, have liver disease, diabetes, gout, stomach ulcers, low blood pressure, kidney disease, heart disease, or are using cholesterol-lowering medication. High-dose niacin should not be used for cholesterol management unless prescribed and monitored by a healthcare professional.
Shipping & Delivery
Canada/USA
The estimated shipping time generally takes 5-7 business days.









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Clear product pages, easy to buy and delivery met the estimated date
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Quick checkout and speedy delivery, would buy again
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Ordered without issues, delivery arrived in the timeframe given, and the packaging protected the bottles well
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Easy purchase process and prompt delivery. Packaging protected the items well
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Good value and straightforward ordering. Delivery was reliable and packaging secure.
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Commande simple à passer et livraison rapide. Emballage correct, satisfaite de l'achat
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Fast checkout and tracking was accurate
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Website was easy to use, and the product arrived well packaged and on time
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Pharmacy24 made getting Niacin 500 mg Capsules so easy. Everything arrived on time and in perfect condition.
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I've been taking Niacin 500 mg Capsules | Now Foods for over a month now and I am feeling so much better. I was tired all the time and had no energy. My doctor suggested that I try taking this as it will help with my cholesterol levels, which were high. It seems to be working great and I'm feeling tons better!