Description
Optygen is a safe, legal training aid formulated to aid training and enhance recovery. First Endurance chemists rely on state of the art research to formulate a product designed to safely help you reach your athletic goals.
The new and improved Optygen has been engineered to optimize performance for endurance athletes. This next-generation formula has been upgraded with Ashwagandha to modulate cortisol, improve power and enhance VO2 Max.
The updated Optygen also features a clinically effective dose of premium grade Rhodiola and Cordyceps to improve aerobic performance, with each serving delivering 1500mg of Beta-Alanine to boost strength and enhance exercise capacity.
Benefits include:
Increases Endurance and Performance
Reduced Lactic Acid
Increases oxygen utilization
Increase in VO2 Max
Increase in Time to Exhaustion
Increase Anaerobic threshold
Improved exercise capacity
Increase Maximal Oxygen uptake
30% - 50% increase in Oxygen Utilization
Increase ratio of ATP by 45% - 55%
Increase in ATP production
Optygen's effects are best experienced after prolonged use of the product. Users will experience minimal benefits with irregular usage. 30 servings per container (120 capsules 4 times per day).
B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.
Reviews
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5 stars
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1 stars
Best, most powerful adaptogen in the game!!!
by Anonymous
Competitive Racer
Santa Rosa
Optygen HP by first endurance is the best most powerful adaptogen for endurance athlete's in the game. Expensive, but it can be purchased sometimes on sale.
Reviewed 6/9/2025
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allows you push harder
Makes it easier on your heart rate. They also have a vitamin that helps with recovery.
Reviewed 8/29/2024
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Great product
by Fred Z
Royal Oak, Michigan
1 of 1 customers found this review helpful.
Ive been using Optygen hp for several years. Really helps with my endurance.
Only wish it weren't so high priced!
Fred Z
Detroit Randonnuers member
Reviewed 7/7/2022
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Great product I feel better with this OptygenH.P.
1 of 2 customers found this review helpful.
I used Optygen before but not the H.P. and feel even better with the H.P. than the other Optygen.
Reviewed 10/22/2020
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