Sergeant Steel's (by Assault Labs) ability to increase testosterone is rated as 2.11 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 Sergeant Steel to increase testosterone 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 Sergeant Steel's ability to increase testosterone. To view the product's overall rating, visit the product's main page: Sergeant Steel.

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 Sergeant Steel'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 Sergeant Steel's ability to increase testosterone. The rating next to the ingredient describes the ingredient's ability to increase testosterone. These ratings are averaged together and provide the product's overall ability to deliver on the same claim.

Ingredients Increase Testosterone Rating
Vitamin D3 2 out of 3
Magnesium 3 out of 3
Zinc 2 out of 3
D-Aspartic Acid 1 out of 3
Ashwagandha Extract (Withania Somnifera) 3 out of 3
Mucuna Pruriens 3 out of 3
Fenugreek 1 out of 3
Shilajit Extract 3 out of 3
Tribulus Terrestris 1.4 out of 3
Boron 1.7 out of 3
Product's Claim Effectiveness Rating 2.11 out of 3

Claim Research Ratings

The research rating describes how well an ingredient's ability to perform a certain claim (such as increase testosterone) 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 Increase Testosterone Research Rating
Vitamin D3
Magnesium
Zinc
D-Aspartic Acid
Ashwagandha Extract (Withania Somnifera)
Mucuna Pruriens
Fenugreek
Shilajit Extract
Tribulus Terrestris
Boron
Product's Claim Research Rating

References

Title
Effect of Vitamin D Supplementation on Testosterone Levels in Men
Vitamin D supplementation and testosterone concentrations in male human subjects
Effects of magnesium supplementation on testosterone levels of athletes and sedentary subjects at rest and after exhaustion
Effect of Zinc and Selenium Supplementation on Serum Testosterone and Plasma Lactate in Cyclist After an Exhaustive Exercise Bout
The effect of exhaustion exercise on thyroid hormones and testosterone levels of elite athletes receiving oral zinc
Effect of fatiguing bicycle exercise on thyroid hormone and testosterone levels in sedentary males supplemented with oral zinc
D-aspartic acid supplementation combined with 28 days of heavy resistance training has no effect on body composition, muscle strength, and serum hormones associated with the hypothalamo-pituitary-gonadal axis in resistance-trained men
Three and six grams supplementation of d-aspartic acid in resistance trained men
The effects of d-aspartic acid supplementation in resistance-trained men over a three month training period: A randomised controlled trial
Examining the effect of Withania somnifera supplementation on muscle strength and recovery: a randomized controlled trial
Mucuna pruriens improves male fertility by its action on the hypothalamus-pituitary-gonadal axis
Fenugreek Extract Supplementation Has No Effect On The Hormonal Profile Of Resistance-trained Males
Clinical evaluation of purified Shilajit on testosterone levels in healthy volunteers
Pilot Study on the Effect of Botanical Medicine (Tribulus terrestris) on Serum Testosterone Level and Erectile Function in Aging Males With Partial Androgen Deficiency (PADAM)
Effect of oral administration of Tribulus terrestris extract on semen quality and body fat index of infertile men
Prospective Analysis on the Effect of Botanical Medicine (Tribulus terrestris) on Serum Testosterone Level and Semen Parameters in Males with Unexplained Infertility
The effect of five weeks of Tribulus terrestris supplementation on muscle strength and body composition during preseason training in elite rugby league players
Tribulus terrestris extracts alleviate muscle damage and promote anaerobic performance of trained male boxers and its mechanisms: Roles of androgen, IGF-1, and IGF binding protein-3
The Effect of Boron Supplementation on Lean Body Mass, Plasma Testosterone Levels, and Strength in Male Bodybuilders
Plasma boron and the effects of boron supplementation in males
Comparative effects of daily and weekly boron supplementation on plasma steroid hormones and proinflammatory cytokines