Tier 1 Plus's (by Citadel Nutrition) ability to improve cycling performance is rated as 2.1 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 Tier 1 Plus to improve cycling 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 Tier 1 Plus's ability to improve cycling performance. To view the product's overall rating, visit the product's main page: Tier 1 Plus.

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 Tier 1 Plus'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 Tier 1 Plus's ability to improve cycling performance. The rating next to the ingredient describes the ingredient's ability to improve cycling performance. These ratings are averaged together and provide the product's overall ability to deliver on the same claim.

Ingredients Improve Cycling Performance Rating
Beta Alanine 3 out of 3
Tyrosine 1.3 out of 3
Caffeine 2 out of 3
Product's Claim Effectiveness Rating 2.1 out of 3

Claim Research Ratings

The research rating describes how well an ingredient's ability to perform a certain claim (such as improve cycling 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 on way or another on a product's ability to deliver on this particular claim.

Ingredients Improve Cycling Performance Research Rating
Beta Alanine
Tyrosine
Caffeine
Product's Claim Research Rating

References

Title
Beta-Alanine supplementation increased physical performance and improved executive function following endurance exercise in middle aged individuals
Incremental effects of 28 days of beta-alanine supplementation on high-intensity cycling performance and blood lactate in masters female cyclists
Effects of L-tyrosine and carbohydrate ingestion on endurance exercise performance
Oral tyrosine supplementation improves exercise capacity in the heat
Failure of Oral Tyrosine Supplementation to Improve Exercise Performance in the Heat
Tyrosine Supplementation Does Not Influence the Capacity to Perform Prolonged Exercise in a Warm Environment
Independent and combined effects of carbohydrate and caffeine ingestion on aerobic cycling performance in the fed state
The effects of caffeine ingestion on time trial cycling performance
The effects of different doses of caffeine on endurance cycling time trial performance
Acute effects of a caffeine-containing supplement on bench press and leg extension strength and time to exhaustion during cycle ergometry
Acute effects of a caffeine-containing supplement on bench press and leg extension strength and time to exhaustion during cycle ergometry
Increases in cycling performance in response to caffeine ingestion are repeatable