Berserker Endurance Training Pre-Workout's (by Hekla) ability to improve running performance is rated as 1.7 out of 3. This rating means the evidence is mixed on the product's ability to deliver on this claim. While some of the evidence supports its use, other evidence does not. Using Berserker Endurance Training Pre-Workout to improve running performance may lead to positive results. This rating is different from the product's overall rating and is based on what peer reviewed journal articles conclude on its ability to perform this one claim. This page contains an indepth analysis on how this claim-rating was calculated.

Note: The ratings on this page only deal with Berserker Endurance Training Pre-Workout's ability to improve running performance. To view the product's overall rating, visit the product's main page: Berserker Endurance Training Pre-Workout.

Table of Contents

  1. Simple Report
  2. Detailed Report
  3. References

Simple Report

Detailed Report

The detailed report is an in-depth analysis on how Berserker Endurance Training Pre-Workout's rating for this particular claim was calculated.

Claim Effectiveness Ratings

Each supplement product is a blend of ingredients. The database uses peer reviewed journal articles to rate the ingredients. These ratings are also used to rate how well products perform overall as well as on individual claims.

The supplement ingredients listed in table below are identified as affecting Berserker Endurance Training Pre-Workout's ability to improve running performance. The rating next to the ingredient describes the ingredient's ability to improve running performance. These ratings are averaged together and provide the product's overall ability to deliver on the same claim.

Ingredients Improve Running Performance Rating
Beetroot Juice 1.8 out of 3
Beta Alanine 1.7 out of 3
Arginine 1 out of 3
Taurine 1 out of 3
Creatine Hydrochloride 3 out of 3
Product's Claim Effectiveness Rating 1.7 out of 3

Claim Research Ratings

The research rating describes how well an ingredient's ability to perform a certain claim (such as improve running performance) has been researched. This rating is based on the amount of studies contained in the database on a particular ingredient and claim. Ingredient research ratings are averaged together to from the product's research rating for this specific cliam.

This rating is important because we need to know if there is enough research to make a valid conclusion on a product's worthiness. Ratings above 80 are ideal. Anything below 60 means there is not enoguh research to make a valid conclusion one way or another on a product's ability to deliver on this particular claim.

Ingredients Improve Running Performance Research Rating
Beetroot Juice
Beta Alanine
Arginine
Taurine
Creatine Hydrochloride
Product's Claim Research Rating

References

Title
Beetroot Juice Supplementation Does Not Improve Performance of Elite 1500-m Runners
Beetroot juice does not enhance altitude running performance in well-trained athletes
Nitrate supplementation's improvement of 10-km time-trial performance in trained cyclists
Dietary nitrate supplementation enhances short but not longer duration running time-trial performance
Dietary nitrate supplementation enhances high-intensity running performance in moderate normobaric hypoxia, independent of aerobic fitness
Exercise-induced oxidative stress: the effects of β-alanine supplementation in women
High-velocity intermittent running: effects of beta-alanine supplementation
β-Alanine ingestion increases muscle carnosine content and combat specific performance in soldiers
Effects of Plyometric Training and Beta-Alanine Supplementation on Maximal-Intensity Exercise and Endurance in Female Soccer Players
Beta-Alanine Supplementation Improved 10-km Running Time Trial in Physically Active Adults
β-alanine supplementation improves tactical performance but not cognitive function in combat soldiers
Effects of acute supplementation of L-arginine and nitrate on endurance and sprint performance in elite athletes
L-arginine does not improve biochemical and hormonal response in trained runners after 4 weeks of supplementation
The Effect of Arginine or Glycine Supplementation on Gastrointestinal Function, Muscle Injury, Serum Amino Acid Concentrations and Performance During a Marathon Run
Acute administration of high doses of taurine does not substantially improve high-intensity running performance and the effect on maximal accumulated oxygen deficit is unclear
Combined effect of creatine monohydrate or creatine hydrochloride and caffeine supplementation in runners’performance and body composition