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.

Shop Supplements

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

Lasts All Day


Releases over time for optimal absorption

Saves You Money


More absorption = less waste

Inspired by Your Body


Mimics how your body naturally processes food

Reduces Nausea


Gentle and gradual release

Providing high-quality, sustained-release supplements since 1978

Only What You Need


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

Easy to Swallow


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

Backed by Science


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.