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Testosterone Booster Extra Strength

product on market Capsule Purely Optimal Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 22% of ingredients have research evidence
B Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula contains Maca and Tribulus, which have limited evidence for increasing testosterone levels in humans. Citrulline malate and Horny Goat Weed are researched for supporting blood flow and libido. Overall, clinical evidence for the efficacy of these ingredients in boosting testosterone remains limited.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Testosterone Booster Extra Strength
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Capsule(s)
Serving Size
30
Servings
Other Combinations
Product Type
22%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Horny Goat Weed 4:1 extract
1000 mg
150 mg
Market median: 500.0mg (357 products) 1 studies — no high-quality reviews
Tribulin Tribulus herb extract
100 mg
100 mg
Market median: 320.0mg (426 products) 26 studies (A:0, B:5)
Market median: 2000.0mg (275 products)
50 mg
Market median: 500.0mg (143 products)
Tongkat Ali
50 mg
Market median: 450.0mg (390 products) 160 studies (A:0, B:63)
Market median: 500.0mg (193 products) 7 studies — no high-quality reviews

Other Ingredients

Vegetable Cellulose Magnesium Stearate Silicon Dioxide Microcrystalline Cellulose
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: As a dietary supplement, take two (2) capsules once a day with or without food or as directed by your health care professional.

Warnings & Precautions

Caution: Do not exceed recommended dose.

Pregnant or nursing mothers, children under the age of 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement.

Pregnant or nursing mothers, children under the age of 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement. Keep out of reach of children.

Do not use if safety seal is damaged or missing.

Formulation Notes

With Tribulin & L-Arginine

Builds lean muscles Maintains energy & stamina Supports testosterone levels Improves physical performance

Professional grade

Vegetarian friendly

Additional Information

Store in a cool, dry place.

100% natural

cGMP Facility Good Manufacturing Practice Certification

Lab Tested 3rd Party Certified for Purity & Potency

Metadata

Product Details

UPC / SKUX002I80SUZ
DSLD Entry Date2021-02-25
Product TypeOther Combinations
FormCapsule
BrandPurely Optimal
DSLD ID244063
Data Updated2026-04-11
Research

Research Evidence

12
Research Sources
45
Avg Quality
6
Rct
5
Clinical Trial
1
Meta Analysis
C Effect of food sources of nitrate, polyphenols, L-arginine and L-citrulline on endurance exercise performance: a systematic review and meta-analysis of randomised controlled trials
Meta Analysis Journal of the International Society of Sports Nutrition 2021 PubMed DOI
C Effects of L-Citrulline Supplementation on Endothelial Function and Blood Pressure in Hypertensive Postmenopausal Women.
Rct Nutrients PubMed DOI
C Effects of Acute Citrulline Malate Supplementation on CrossFit® Exercise Performance: A Randomized, Double-Blind, Placebo-Controlled, Cross-Over Study.
Rct Nutrients PubMed DOI
C Impact of L-Citrulline Supplementation and HIIT on Lipid Profile, Arterial Stiffness, and Fat Mass in Obese Adolescents with Metabolic-Dysfunction-Associated Fatty Liver Disease: A Randomized Clinical Trial.
Rct Nutrients PubMed DOI
C Effect of L-Citrulline Supplementation on NAFLD in Adolescents With Obesity
Clinical Trial ClinicalTrials.gov 2021
C Effects of L-Citrulline or Citrulline-malate on Neuromuscular Performance in Resistance-trained Adults
Clinical Trial ClinicalTrials.gov 2022
C Acute effects of Nitrosigine® and citrulline malate on vasodilation in young adults.
Rct Journal of the International Society of Sports Nutrition PubMed DOI
C Effects of Combined Versus Single Supplementation of Creatine, Beta-Alanine, and L-Citrulline During Short Sprint Interval Training on Basketball Players' Performance: A Double-Blind Randomized Placebo-Controlled Trial.
Rct International journal of sports physiology and performance PubMed DOI
C Acute effects of combined supplementation of L-arginine and citrulline malate on aerobic, anaerobic, and CrossFit exercise performance.
Rct Scientific reports PubMed DOI
C L-Citrulline in Peripheral Artery Disease
Clinical Trial ClinicalTrials.gov 2016
View all evidence for Citrulline →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.