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Ranked 8th among 35 Vitamin B3 Niacin products.
Available here from $ 17.99

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Made to support heart and circulatory health, this niacin supplement features niaXtend®, a sustained-release form of vitamin B3 that delivers niacin gradually throughout the day. This slow-release approach helps reduce the flushing commonly associated with standard niacin supplements while providing consistent nutritional support.

Key Benefits:

  • Supports cardiovascular health and healthy blood lipid levels already within the normal range.
  • Sustained-release niacin is designed to help minimize skin flushing and related discomfort.
  • Provides a steady release of niacin for extended support.
  • Non-GMO, gluten-free, and suitable for vegan lifestyles.
  • Made with vegetable-based ingredients to accommodate a variety of dietary preferences.

This supplement is intended for adults seeking additional cardiovascular support as part of a healthy lifestyle. Take one tablet daily with food, or follow the advice of your healthcare provider.

If you are pregnant, nursing, have a medical condition, or are taking medication, consult your healthcare professional before use. Some individuals may still experience flushing, particularly when consuming alcohol or hot beverages close to the time of taking niacin. Do not exceed 500 mg of niacin daily unless directed by a healthcare professional. Those with liver or kidney conditions should use this product only under medical supervision.

Store in a cool, dry place and keep the bottle tightly closed when not in use.

Doctor's Best Sustained-Release Niacin with niaXtend FACTS AND ALTERNATIVES COMPARISON

  8
Doctor's Best Sustained-Release Niacin with niaXtend Doctor's Best
Supplement Rating
Doctor's Best Sustained-Release Niacin with niaXtend
4
Life Extension Vitamin B3 Niacin Life Extension
Supplement Rating
Life Extension Vitamin B3 Niacin
11
Life Extension No Flush Niacin Life Extension
Supplement Rating
Life Extension No Flush Niacin
2
Thorne Research Niacinamide Thorne Research
Supplement Rating
Thorne Research Niacinamide
Serving Size 1 Tablet 1 Capsule 1 Capsule One Capsule
Price/Serving $0.14 $0.09 36% $0.14 $0.12 14%
Servings Per Container 120 100 17% 100 17% 180 50%
Vitamin B3 500 mg · 3125% (as Nicotinic Acid) 500 mg 640 mg (as Inositol hexanicotinate) 500 mg · 3,125% (as niacinamide)
Inositol missing substance or information* missing substance or information* 160 mg (as inositol hexanicotinate) missing substance or information*

*Some information on the Doctor's Best Sustained-Release Niacin with niaXtendlabel may be missing, or it may have been written incorrectly. We work hard to keep the information accurate & up to date. Please let us know if you discover any errors.

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This content is for informational purposes only and is not a substitute for professional medical advice. Consult a qualified healthcare provider before taking any supplement.