Endurance Products Company

Sustained Release Nutrition

Slow and steady release over several hours to maximize nutrient absorption. Inspired by the way our bodies naturally process food.

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Providing high-quality, sustained-release supplements since 1978.


Targeted Support for Cholesterol Balance

ENDUR-ACIN® Extended Release Vegetable Wax Matrix Niacin is a unique dietary supplement designed for men and women interested in advanced support for heart health and cholesterol balance.*

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Endurance Products Company

How Our Sustained Release Technology Works

Phase 1
Phase 2
Phase 3
Phase 4
Phase 5
  • 1st Hour
  • 2nd Hour
  • 3rd Hour
  • 4th Hour
  • 5th Hour
  • 6th Hour

Vegetable Wax Matrix

Allows tablets to enter the intestine, dissolving slowly.

Gently Processed

Free of heat, moisture or solvents for optimal nutrient stability.

Clean Formula

Easy-to-swallow tablets, no sugar coating, no unwanted ingredients.

Slow, Steady Release

For optimal nutrient absorption and tissue retention.

Digestive Comfort

Formulated for regular use, free of stomach upset.

Heart Healthy

Your Heart-Smart Diet, Only Better

You would be hard-pressed to find a more delicious way to support your heart health than with a Mediterranean diet that includes plenty of vegetables, fruits, whole grains, beans, and other heart healthy foods. Plus, filling your daily plate with these foods makes it easier to pass on artery-clogging foods that can derail your efforts to maintain heart and blood vessel health. To learn more about the compelling research (and over 180 mouthwatering recipes), check out Good Food, Great Medicine.

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Endurance Products Company

Here's what people are saying about our products

“I started taking ENDUR-ACIN® and changed my diet – less beef, more fruit and vegetables – while keeping up with my regular exercise. My family doctor was amazed at my results and told me to keep doing what I was doing. Thanks for your product.” ~ Greg H., Avon, Indiana

“I just wanted to let you know how awesome your ENDUR-ACIN® is. I have told everyone about your product. Thank you for the quick delivery and awesome product!!!!” ~ Sue M., Portland, Oregon

“Thank you so much for ENDUR-ACIN®. It is a wonderful product. I have tried four other types of niacin but the side effects were more than I could tolerate.” ~ Karen S., Whittier, California

“I love ENDUR-ACIN® and have used it with a low-fat diet and exercise for heart health. My doctor is very pleased with my results. Thank you for making such an excellent product.” ~ Kay O., St. Paul, MN

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