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Doctor's Best Sustained-Release Niacin, 500 mg, 120 Tablets - 2 of 4Doctor's Best Sustained-Release Niacin, 500 mg, 120 Tablets - 3 of 4Doctor's Best Sustained-Release Niacin, 500 mg, 120 Tablets - 4 of 4
Doctor's Best Sustained-Release Niacin, 500 mg, 120 Tablets - 1 of 4

Doctor's Best Sustained-Release Niacin, 500 mg, 120 Tablets

$19.99

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At a glance

About this item

Highlights

  • Supports Heart & Cholesterol Health: Niacin (vitamin B3) plays a key role in supporting cardiovascular function, healthy circulation, and balanced cholesterol levels.
  • Sustained-Release Formula with niaXtend®: Designed to release niacin slowly over time, reducing the risk of flushing while providing steady nutrient delivery for maximum benefit.
  • Boosts Cellular Energy Production: A vital nutrient for converting carbohydrates, fats, and proteins into energy, niacin supports overall metabolic function and vitality.
  • Non-GMO & Allergen-Friendly: Gluten-free, soy-free, and made without artificial preservatives. Clean, science-backed formula for consistent, everyday cardiovascular support.

Description

Doctor’s Best Sustained-Release Niacin with niaXtend® provides a gentle, time-released form of vitamin B3 (niacin) to support cardiovascular health, energy production, and cholesterol metabolism. Featuring niaXtend® technology, it delivers niacin gradually over time to help minimize flushing while maintaining effectiveness. Non-GMO, gluten-free, and ideal for daily wellness.
Suggested Age: Adult Use Only
Product Warning: Consult a doctor if you are pregnant or nursing
Product Form: Tablet
Package Quantity: 120
Net weight: 3.78 ounces
TCIN: 86435526
UPC: 753950002425
Origin: made in the USA or imported
Healthcare Disclaimer:
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Serving Per Container: 120

Amount

% Daily Value*
Niacin (As Nicotinic Acid) 500mg
* Percentage of Daily Values are based on a 2,000 calorie diet.

Ingredients:

vegetable waxes (rice bran and/or carnauba wax), stearic acid, magnesium stearate (vegetable source), silica.

Allergens & Warnings:

WARNING: If you are pregnant, nursing, have a medical condition, or taking medication, consult your physician before taking this product. Temporary flushing such as warmth, itching or redness of the skin, are common side effects that may occur upon initial use. These effects may worsen if you drink alcohol or hot beverages shortly after taking niacin. Do not take more than 500 mg per day (one tablet) except under the supervision of a physician. Liver damage and jaundice are risks with high doses of niacin. Avoid high doses of niacin if you have a liver or kidney disorder.

Shipping details

Estimated ship dimensions: 2.1 inches length x 2.1 inches width x 3.7 inches height
Estimated ship weight: 0.236 pounds
This item cannot be shipped to the following locations: American Samoa (see also separate entry under AS), Guam (see also separate entry under GU), Northern Mariana Islands, Puerto Rico (see also separate entry under PR), United States Minor Outlying Islands, Virgin Islands, U.S., APO/FPO, Alaska, Hawaii
item ships from third party seller: iHerb

Return details

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4.7 out of 5 stars with 3 reviews
5 out of 5 stars
1 April, 2022
originally posted on swansonvitamins.com
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Non flushing, great tasting & easy to swallow.

I have only been taking for a few weeks but so far no flushing or any issues with it. As for if it is helping my cholesterol I won't know until the next lab test. I feel it is a good product.
CherylM
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4 out of 5 stars
20 March, 2020
originally posted on swansonvitamins.com
Image

A Better Bet

I have taken Niacin sustained release tablets for several years. Within the last year, I switched to this brand and have been quite pleased. I have had fewer "flush" episodes which wake me in the night! I think all Niacin products will produce a breakthrough flush now and then, but this has a much better track record than some previous products.
VictoriaM
2 guests found this review helpful. Did you?
5 out of 5 stars
22 January, 2020
originally posted on swansonvitamins.com
Image

No side effects

I had no problems with flushing or other side effects from this product. I recommend.
Angi
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