Get exclusive offers, articles, and more by joining our mailing list.
Replace-SR (Sports Certified Electrolyte)
Replace-SR (Sports Certified Electrolyte)
Replace. Rehydrate. Recover.
Balanced electrolytes. Sustained hydration.
- Balanced electrolyte formula
- 4 to 6 hours sustained release
- No sugars or fizzy gimmicks
Don't Compromise!
“I'm the North American Regional Champion for the 2nd year in a row now. Replace was a part of my supplemental regimen to achieve 2 Golds and a Silver at this Trifecta weekend.” – Spartan Ireland
“Replace has helped me get through long training runs and races that stretch the limits of endurance. Whether it be marathon training, hot summer runs, or even backpacking trips in the mountains I use Replace to keep me energized for the long haul.” – John G.
Fuel your ambition with more than just hydration. Replace Electrolyte helps you maintain peak performance and recover fast for your next challenge. Stay hydrated and feel the difference.
Subscribe & save 10% + free shipping. Learn more
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 make it easy for you to take your supplements
Backed by Science
Backed by a portfolio of clinical research
Immediate Release
Chewable, Softgel, Tablet
Quickly dissolves for rapid onset of action 
Ideal for absorption of fat-soluble nutrients 
Ideal for nutrients intended to work in the digestive tract 
Well tolerated by sensitive people 
Easy to adjust intake to doctor-recommended amounts
Time Release
Extended or Sustained Release Delivery
Offers convenience with the fewest number of tablets and daily
Easy-to-swallow tablets without unnecessary coating ingredients
Promotes comfort, including digestive comfort and reduced niacin flush
Superior tablet stability with our vegetable wax matrix 
Helps ensure optimal therapeutic effect
No unexpected dose dumping with slow, steady nutrient release