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We’re proud to introduce Peak Endurance, an innovative new supplement designed to optimise oxygen utilisation, boost ATP production and extend time to fatigue. The formula is made up of PeakO2®, an organic-certified blend of six adaptogenic mushrooms, with concentrated beetroot extract, delivering 450mg of nitrates per serving. This article will break down everything you need to know about our Peak Endurance Product, explaining the science and the studies behind it, its benefits and a breakdown of the ingredients affording these benefits.
A blend of six adaptogenic mushrooms, including Cordyceps, Reishi, King Trumpet, Shiitake, Lion’s Mane and Turkey Tail. Grown in the USA, these mushrooms have been proven to together improve oxygen utilisation, increase energy production and support overall endurance. We will now present some of the study data on PeakO2®.
A study which involved athletes saw that those who were supplemented with PeakO2® experienced a 17.6% increase in peak power output whilst those on placebo saw an 11.8% decline. This study clearly showcased PeakO2®’s ability to increase power generation during extended workout periods.
Another study looked at ATP production (the primary energy carrier in the cells); a process which is vital to optimise during high intensity workouts. The study found that ATP production was increased with PeakO2®, and blood lactate levels were reduced, enabling the participants to train for longer with lower general muscle fatigue.
A time to exhaustion study essentially measured the endurance in a PeakO2® supplemented group and a placebo group. They found that the PeakO2® users outperformed the placebo group by 70 seconds in high intensity exercises, who only saw a 5 second improvement in time to exhaustion. The results clearly showed that PeakO2® has a significant impact on endurance and fatigue resistance.
VO2 Max, otherwise known as maximal oxygen uptake, is the maximum rate at which an individual can consume oxygen during intense or maximal exercise. It is generally recognised as an accurate measure of aerobic capacity (or aerobic fitness), reflecting the efficiency at which an individual’s body can transport and use oxygen during physical exercise. It is usually measured in millilitres of oxygen consumed per minute per kilogram of body weight (ml/kg/min).
PeakO2® users saw an increase in VO2 max by nearly 4ml/kg/min, which clearly showed its effectiveness in improving oxygen consumption and cardiovascular performance.
We also included beetroot extract in Peak Endurance, delivering 450mg of nitrates per serving. The research has shown that nitrate supplements offer a variety of benefits which are required for performance.
Oxygen cost is the amount of oxygen your body requires in order to perform activity. Nitrate supplements have been shown in research to reduce the oxygen cost of submaximal exercise, which increases exercise efficiency and endurance performance; this essentially means that the body requires less oxygen to perform at the same level, enabling the body to maintain higher work rate for longer periods of time [1][2][4].
Studies in running and cycling have found significant improvements in endurance exercise performance with nitrate supplementation, making a strong case for long-endurance activities being benefited from nitrate supplementation [1][2][4].
Nitrate supplements have been shown to also potentially improve muscle contractile efficiency, allowing more work to be performed per unit of energy which is expended. This essentially means that with the improvement in muscle efficiency, consumers of nitrates can push harder and for longer. [2][4].
Studies have indicated that nitrate supplementation may extend the time to exhaustion during intense workouts, which allows athletes to maintain high performance for longer [1][4].
Nitrate intake is associated with reductions in systolic and diastolic blood pressure, which contributes to improved blood flow (which in turn increases oxygen delivery to muscles), improving exercise performance and overall cardiovascular health [1][4].
The general mechanism of action for nitrates is that they are first converted to nitrite, following which they are converted into nitric oxide, which dilates the blood vessels, improves blood flow, and reduces ATP consumption during muscle contraction whilst improving mitochondrial efficiency [1][4].
It is generally understood that nitrate supplementation increases blood flow to active muscles, which reduces oxygen consumption and improves contractile efficiency of the muscles. This essentially means that the muscles are more efficient, using less oxygen to contract at a higher rate, meaning that you can work harder whilst using less oxygen [1][4].
Chronix nitrate supplementation over several days has shown a significant improvement in time trial performance, compared to acute supplementation which shows less consistent results. This generally suggests that nitrate supplements are better to be taken consistently over a period of time to maximise results [3].
With the evidence from studies on the benefits of both PeakO2® and Beetroot Extract, Peak Endurance promises a number of performance focused benefits.
Both PeakO2® and beetroot extract improve blood flow and oxygen efficiency. PeakO2® has been shown to improve the body’s ability to use oxygen more effectively, whilst beetroot derived nitric oxide helps to widen blood vessels, which facilitates better oxygen delivery to the muscles.
With the studies showing a 17.6% increase in power output from PeakO2®, and with the improved blood flow support from beetroot extract, Peak Endurance helps to support power, strength and endurance.
PeakO2® has been shown to reduce blood lactate levels. Blood lactate accumulates during intense exercise when the rate of lactate production exceeds its clearance, which ultimately leads to increased acidity within the muscles. This acidity is understood to limit enzyme function and disrupt energy production mechanisms, which leads to muscle fatigue and limited performance. Pair this effect from PeakO2® with beetroot’s effect on nitric oxide levels, which reduce the oxygen cost of exercise, and the outcome is prolonged performance at a higher rare and delayed fatigue onset.
The main driver here is PeakO2® which, as discussed, has been shown in studies to improve time to exhaustion vs placebo.
An increase in VO2 max from PeakO2® shows better cardiovascular efficiency, which is further supported by beetroot’s ability to improve oxygen delivery to the muscles.
In conclusion, Peak Endurance might just be our most innovative product yet. We formulated it through the lens of thinking about exactly what athletes need most to maximise their performance. By combining PeakO2® with beetroot extract, it delivers a host of benefits in power, endurance and efficiency, to enable you to to train and perform without limits.
The main ingredients of Peak Endurance are PeakO2® (Cordyceps, Reishi, King Trumpet, Shiitake, Lion’s Mane and Turkey Tail) and Concentrated Beetroot Extract.
PeakO2® is a blend of six adaptogenic mushrooms. It has been proven to improve oxygen utilisation, increase ATP production and support endurance overall in studies which looked at time to exhaustion. More studies have shown that PeakO2® users have improvements in peak power output, reduced blood lactate levels and increased VO2 max.
Beetroot Extract is rich in nitrates (Peak Endurance contains 450mg of nitrates), which are converted to nitric oxide in the body. This helps to reduce the oxygen cost of exercise, improving muscle efficiency and endurance performance. It also lowers blood pressure.
We recommend that you take Peak Endurance consistently over a period of time in order to maximise its benefits, with nitrate supplementation being shown to be most effective when taken chronically. We recommend that you take Peak Endurance 2-3 hours before exercise.
[1] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8465461/
[2] https://www.sciencedirect.com/science/article/pii/S1728869X22000442
[3] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4008816/
[4] https://www.mdpi.com/2076-3921/12/6/1194
