Endurance Products Company

Supplements that Last All Day

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

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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


Long Lasting

sustained-release

Releases over time for optimal absorption

Saves You Money

sustained-release

More absorption = less waste

Inspired by Your Body

sustained-release

Mimics how your body naturally processes food

Reduces Nausea

sustained-release

Gentle and gradual release

Providing high-quality, sustained-release supplements since 1978


Only What You Need

sustained-release

No salt, sugar, starch, artificial colors or flavorings, or preservatives

Easy to Swallow

sustained-release

The shape and size of our tablets makes them easy to take your supplements

Backed by Science

sustained-release

Backed by a portfolio of clinical research

Health Tips

Living well is serious business. And sometimes not so serious. We've delved into the data to bring you the most cutting-edge health and wellness research, practical diet and lifestyle tips, plus all the primary terms you'll need to be the healthiest you can be.

Stretch It Out: Why Flexibility Matters and How to Improve Yours At Any Age

Stretch It Out: Why Flexibility Matters and How to Improve Yours At Any Age

Feel great at any age with stretching techniques to prevent injury, reduce pain, and boost relaxation.
Macronutrients 101: Understanding Carbs, Proteins, and Fats

Macronutrients 101: Understanding Carbs, Proteins, and Fats

Eating well made easy! Demystify macronutrients and nourish your body better with this guide.
The Impact of Omega-3s on Your Brain Health

The Impact of Omega-3s on Your Brain Health

Discover the benefits of Omega 3 fatty acids for cognitive function, mood, sleep, and overall brain health.