
“Proving there was a market for high-end nutritional supplements for distance freaks, First Endurance has found success in becoming the Ferrari of sports-supplement companies.”

“First Endurance produces supplements that deliver on their promise, thanks to clinically proven dosages of endurance boosting ingredients.”

“First Endurance has chosen to bypass the mainstream and focus on the pointy end of the market – investing in top grade ingredients, production, and the right people to create a better grade of nutrition specifically for endurance athletes.”
Highly Recommend!
"Took me through the flu-season and marathon training. Kept me healthy during a time I should have been most vulnerable."
Worth the Investment
"As a professional athlete, my paycheck depends on my ability to perform. I gave MultiV a try just to see if it was worth it, and now, unfortunately/fortunately, I'm never going back."
Great Vitamin Specifically for Endurance Athletes
"My immunity and overall recovery has been incredible this last year. I made through the entire holiday season without catching any symptoms."
Real Results
"MultiV made a tangible difference within a week of taking it. Blood work and labs proved this after 30 days, even my Dr. noticed!"
The best multivitamin out there
"I started noticing more constant energy within about 2 weeks."
Latest Posts
Competition, inspiration, and the win in Ketchum
By Griffin Easter
Though he’s previously bullied his way to individual stages at Rebecca’s Private Idaho, Griffin Easter never took the overall until the 2023 edition.
Multivitamins and Immune Health
By Dr. Luke Bucci, PhD
To help you navigate the crowds, travel, and exposure to illness that mark the period of late fall through the new year learn how you can support your immune system with a well-formulated MVM.
Heidi Franz Storms Belgium at Egmont
By First Endurance
Heidi Franz has had one of her strongest seasons to date. The latest result is in Belgium, where she scored her first-ever European win with some canny strategy and a whole lot of watts.
Building a Training Plan & Managing Interruptions
By Dave Harward
There are any number of factors that can throw off a season’s training plan. Dave Harward (Level 1 Elite Certified Coach) presents a case study of one of his athletes, explaining how the training model varies across the year.
Learning to sprint and leading the American Criterium Cup.
By Danny Summerhill
Danny Summerhill’s career has taken him around the world, but in 2023, he’s up against a challenge that’s new, even for him. After his recent win in Salt Lake, Danny discussed transitioning to sprinting and offered tips for the crit-curious.
Finding performance gains beyond carbs, protein, and electrolytes
By Jennifer Kurtz, PhD(c), CISSN, CSCS, EP-C
Research relating to common supplements including caffeine, nitrates, probiotics, and medium-chain triglycerides.
Best tasting sport drink & works!
"It has plenty of electrolytes/sodium so you don't need additional salt. The best part - this drink is not overly sweet."
Best hydration mix for Cramping
"My new favorite hydration product. Can't find a better combination of electrolyte concentrations, flavor, digestibility, and price. Especially love the L-Theanine to help with
that mental toughness."
Hot Weather Rockstar
"EFS-PRO has been my go-to for long, hot races such as Unbound 200 and SBTGRVL."
I recommend EFS Pro over any other fuel source
"My energy levels remain static and strong. I have never had any nausea with EFS. The Sour Watermelon flavor is the icing on a very good cookie"