X-Wolf is a male enhancement supplement manufactured by X Labs. It earned an overall thumbs-down recommendation based on its nutrition label transparency, ingredients, dosing, claims, research rating, and ranking.

This page contains a thumbs-up or down recommendation followed by simple and detailed reports describing the product's effectiveness. The detailed report includes a more in-depth analysis of the product.

A question mark appears next to a section which corresponds to a question in the FAQ. Click it for more information.


X-Wolf earned a thumbs-down recommendation. This recommendation is based on the criteria listed below. To earn an overall thumbs-up recommendation, a product must earn a thumbs-up in at least four of the seven areas below. Click on a graded area for an in-depth analysis.

Graded Area Thumb Up or Down
Effectiveness Rating
Ingredient Dosing
Research Rating
Nutrition Label Transparency
Ranking Within Category
Overall Recommendation

Table of Contents

  1. Simple Report
  2. Detailed Report
  3. Ranking Within Category
  4. Summary

X-Wolf Simple Report

  • Product Name: X-Wolf
  • Manufacturer: X Labs
  • Manufacturer Website: X Labs's Homepage
  • Supplement Category: Male Enhancement Supplements
  • Serving Size: 2 capsules
  • Effectiveness Rating: 1.98 out of 3
  • Number of Ingredients: 9
  • Research Rating: 11.556 (above 60 indicates sufficient research)
  • Nutrition Label Transparency Score: 100%
  • Ranking within Male Enhancement Supplements: 3 out of 7 (middle third within category)
  • Ranking within all Supplement Products: 682 out of 1324 (middle third of all products)

X-Wolf Detailed Report

The detailed report provides an in-depth analysis of the product's rating. In addition to showing ratings for each area, this report also provides the required criteria for a thumbs-up in each section.

Effectiveness Rating

X-Wolf earned a thumbs-up in this category because its effectiveness rating is 1.98. A product's effectiveness rating must be at least 1.5 to receive a thumbs-up in this area. This effectiveness rating means X-Wolf is made up of a mix of both high and low-quality ingredients and may lead to some positive results.

This category illustrates how well a product works based on what the research says about its ingredients. Researchers conduct studies on supplement ingredients to gauge effectiveness. The database grades products on how effective their ingredients are. The effectiveness rating of supplement products is evaluated on a 3 point scale: 3.0 is the most effective, 1.0 is the least effective.


X-Wolf earned a thumbs-down in this category because it contains 33% extremely and/or moderately effective ingredients. A product must contain at least 75% extremely and/or moderately effective ingredients to receive a thumbs-up in this area.

This category rates a product's ingredient makeup. A product should contain mostly extremely and/or moderately effective ingredients with little or no ineffective ones. The database categorizes ingredients as extremely, moderately, or ineffective based on conclusions from research articles.

X-Wolf contains:

  • extremely effective ingredients: 1
  • moderately effective ingredients: 2
  • ineffective ingredients: 1
  • total ingredients: 9

The following table lists all ingredients found in this product as well as their effectiveness ratings and amounts (if listed).

Ingredient Effectiveness Rating
Mucuna Pruriens 30mg 3 out of 3
Tongkat Ali (Eurycoma Longifolia) 10mg 2.1 out of 3
Arginine 20mg 1.6 out of 3
Ginseng 20mg 1.2 out of 3
Horny Goat Weed* not rated
Maca Extract* not rated
Polypodium Vulgare* not rated
Saw Palmetto* not rated
Muira Puama Extract* not rated
Product Effectiveness Rating 1.98

* These ingredients are not included in the Supplement Database.

Ingredient Dosing

X-Wolf earned a thumbs-down in this category because 0% of its ingredients are dosed within the effective range. Seventy-five (75)% of product's ingredients must be dosed within the effective range to receive a thumbs-up in this area.

This category compares a product's ingredient dosing to effective doses found in research articles and doses used in other products. When researchers study the efficacy of supplement ingredients, they use specific doses. Manufacturers should create products with ingredient doses that fall within established effective ranges.

X-Wolf Dosing Compared to Research

This section is a comparison of ingredient doses found in X-Wolf to amounts used in research articles. The first column contains the name of the ingredient as well as the amount. The second column contains the range of effective doses for that ingredient. Note: not all ingredients in the database contain dosing information; only ingredients with scientific dosing information are included in this analysis.

A green checkmark is shown if the ingredient amount falls within the effective range.

An orange up or down arrow is shown if an ingredient amount is either higher or lower than the effective range.

Ingredient & Amount Range
Mucuna Pruriens 0.03g 5g
Tongkat Ali (Eurycoma Longifolia) 10mg 100mg - 200mg
Arginine 20mg 500mg

X-Wolf Dosing Compared to Other Products

This section is a comparison of ingredient doses found in X-Wolf to amounts used in other products. The first column displays the ingredient and amount. The second column displays the average amount of the ingredient found across all products in the database. The final column displays the range found across all products in the database.

A orange up or down arrow is shown if the ingredient amount is higher or lower than the average.

An equal sign is shown if the ingredient amount is equal to the average.

Ingredient & Amount Average Range
Horny Goat Weed 1g 0.25g 0.01g - 1g
Maca Extract 250mg 262.5mg 50mg - 750mg
Mucuna Pruriens 0.03g 0.18g 0g - 1g
Polypodium Vulgare 20mg 20mg 20mg - 20mg
Tongkat Ali (Eurycoma Longifolia) 10mg 149.34mg 10mg - 500mg
Saw Palmetto 100mg 91.59mg 25mg - 250mg
Muira Puama Extract 20mg 76.43mg 15mg - 400mg
Arginine 0.02g 1.09g 0.02g - 6g
Ginseng 20mg 122.49mg 10mg - 400mg


X-Wolf earned a thumbs-down in this category because 57% of its claims are rated as either extremely or moderately effective. Seventy-five (75)% of a product's claims must be rated as extremely or moderately effective to receive a thumbs-up in this area.

The product’s effectiveness rating is an overall picture of how well a product does or doesn't work. Individual studies research an ingredient's effects on certain claims. For example: does creatine monohydrate increase strength, or does beta alanine improve running performance?

The Supplement Database compiles the conclusions of these studies, and based on a product's ingredient makeup, calculates how well a product does on various claims. The claims below are organized by effectiveness (extremely, moderately, ineffective).

Research Rating

X-Wolf earned a thumbs-down in this category because its research rating is 11.556. A product's research rating must be at least 60 to receive a thumbs-up in this area.

A research rating of 11.556 means there is an insufficient amount of research on the product's ingredients to ensure its effectiveness rating is valid.

The research rating is a measure of how much research has been conducted on a product's ingredient makeup. Manufacturers often rely on ingredients without adequate research backing. They may do this to compete with other products that are already using poorly researched ingredients. They may also only use a very small amount of cherry-picked research as a poor justification to use certain ingredients.

The amount of research contained in the database on a product's ingredients determines its research rating. Products with higher ratings are made up of thoroughly researched ingredients.

Nutrition Label and Ingredient Transparency

X-Wolf earned a thumbs-up in this category because its discloses 100% of its ingredient amounts. A product must disclose all ingredient amounts to receive a thumbs-up in this area.

Nutrition label transparency refers to how many ingredients are listed with amounts on the product label. Many supplement manufacturers hide ingredient amounts under the guise of great-sounding proprietary blends such as "Maximum Muscular Size Enhancer" or "Anabolic Cell Strength Matrix."

When manufacturers use proprietary blends, they can hide ingredient amounts making it difficult for consumers to know whether a product is effective.

X-Wolf contains:

  • total ingredients: 9
  • ingredients with amounts listed: 9
  • ingredients without amounts listed: 0
  • percent of ingredient amounts disclosed: 100%

Product Label

The label below was generated from the information contained in the database about the product's ingredients and amounts. Actual product labels may differ in appearance.

X-Wolf by X Labs Product Label

Ranking Within Category

X-Wolf earned a thumbs-up in this category because it ranks 3 out of 7 in the category (middle third). A product must be ranked in the top two-thirds of its category to receive a thumbs-up in this area.

X-Wolf ranks 3 out of 7 in the Male Enhancement Supplements category and 682 out of 1324 in the entire database. The table below lists comparisons with similarly ranked . Click on a link for an in-depth comparison between the two.

Product Comparison
X-Wolf vs Advanced Molecular Labs Sex Cock-Tail

See more comparisons: Is X-Wolf the best male enhancement supplement?


Graded Area Reason
Effectiveness Rating rating is greater or equal to the required 1.5
Ingredients less than 75% of ingredients are rated as effective
Ingredient Dosing less than 75% of ingredients are dosed properly
Claims less than 75% of claims are rated as effective
Research Rating research rating is lower than the required 60
Nutrition Label Transparency discloses all ingredient amounts on label
Ranking Within Category ranks in the top two thirds of category
Overall Recommendation received a thumbs down the majority of areas