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Test HD Black Onyx

product on market Other (e.g. tea bag) MuscleTech Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 80% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

This formula contains B vitamins and zinc, which support energy metabolism and hormonal function with strong evidence. The Test Extreme Matrix likely contains proprietary blends with limited clinical data to support specific performance claims. Overall, the profile relies on well-established micronutrients to maintain general physiological health.

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

Label

Product Label

Label for Test HD Black Onyx
Open Full PDF View on NIH DSLD →
Details

Label Data

4 Caplet(s)
Serving Size
30
Servings
Other Combinations
Product Type
80%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

2 mg (100% DV)
1.5× RDA — within safe limits 114 studies (A:3, B:35)
200 mcg (50% DV)
Within RDA (0.5× RDA) 226 studies (A:10, B:105)
1 mcg (17% DV)
Within RDA (0.4× RDA) 139 studies (A:1, B:44)
30 mg (200% DV)
2.7× RDA — within safe limits 263 studies (A:6, B:134)
Test Extreme Matrix

Other Ingredients

Coating Microcrystalline Cellulose Dicalcium Phosphate Dihydrate Croscarmellose Sodium Stearic Acid Silicon Dioxide Magnesium Stearate
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: Take 1 serving (4 caplets) once daily with water. Do not exceed 1 serving (4 caplets) in a 24-hour period. Read the entire label before use and follow directions provided.

Warnings & Precautions

Warning: Not intended for use by persons under 18.

Do not use if pregnant or nursing.

Discontinue use 2 weeks prior to surgery. Consult a medical doctor before starting any diet or exercise program or if you have a medical condition. This product should not be consumed for more than 4 consecutive weeks with a 2 to 4 week washout period between cycles.

Keep out of reach of children.

Do not use if packaging has been tampered with.

Not intended to treat low testosterone or sexual dysfunction.

Formulation Notes

New Test HD Black Onyx is the most advanced testosterone-enhancing pill.

It’s built with scientifically validated ingredients shown to reduce cortisol and boost free testosterone.

It’s built with scientifically validated ingredients shown to reduce cortisol and boost free testosterone. Boost free testosterone in 7 Days

Test HD Black Onyx features four separate ingredients backed by separate human clinical studies shown to boost testosterone or combat cortisol-most competitors have none! Just one of those ingredients is shown to increase free testosterone and decrease estradiol in as little as 7 days.

Test HD Black Onyx is the only testosterone-boosting formula to combine clinically researched doses of Sensoril Ashwagandha, Primavie Shilajit and D-aspartic acid, plus the much sought-after ingredient Longjack.

Only Test HD Black Onyx is engineered with full doses of key ingredients engineered to boost free testosterone levels. Free testosterone is the most active form of testosterone, and is critical to initiating the muscle and strength-building process, as well as supporting performance.

Testosterone Vitality Reduce cortisol

3 g D-aspartic acid 200 mg Shilajit 125 mg Sensoril 100 mg Long jack

Made in the U.S.A. from international ingredients.

Additional Information

America's #1 selling weight loss supplement brand Research-backed weight loss ingredient. Full transparency. All power.

Testosterone is critical for the strength building process

Many competitors using these ingredients only include supportive doses or hide the amounts in proprietary blends, making the other guys inferior to our fully disclosed formula.

Scientifically researched key ingredients MuscleTech research & development

Extreme results

Store in a cool, dry place (60 degrees F to 80 degrees F).

MuscleTech is America’s #1 Selling Bodybuilding Supplement Brand based on cumulative wholesale dollar sales 2001 to present.

Facebook Like us on Facebook Twitter @MuscleTech Instagram MuscleTech

Made in the U.S.A. from international ingredients.

Metadata

Product Details

UPC / SKU6 31656 60942 4
DSLD Entry Date2021-10-22
Product TypeOther Combinations
FormOther (e.g. tea bag)
DSLD ID255868
Data Updated2026-04-11
Research

Research Evidence

153
Research Sources
55
Avg Quality
71
Systematic Review
51
Meta Analysis
19
Rct
6
Clinical Trial
2
Other
2
Regulatory Source
1
Openfda Safety
A Efficacy of vitamin and antioxidant supplements in prevention of cardiovascular disease: systematic review and meta-analysis of randomised controlled trials
Meta Analysis BMJ (Clinical research ed.) 2013 PubMed DOI
A Homocysteine lowering interventions for preventing cardiovascular events
Meta Analysis The Cochrane database of systematic reviews 2009 PubMed DOI
A Intake of vitamin B6, folate, and vitamin B12 and risk of coronary heart disease: a systematic review and dose-response meta-analysis of prospective cohort studies
Meta Analysis Critical reviews in food science and nutrition 2019 PubMed DOI
A Exploring the causal associations of micronutrients on urate levels and the risk of gout: A Mendelian randomization study
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2024 PubMed DOI
A Pyridoxine (vitamin B6) supplementation during pregnancy or labour for maternal and neonatal outcomes
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
B Prophylactic drug management for febrile seizures in children
Meta Analysis The Cochrane database of systematic reviews 2021 PubMed DOI
B Treatments for Hyperemesis Gravidarum and Nausea and Vomiting in Pregnancy: A Systematic Review
Systematic Review JAMA 2016 PubMed DOI
B The potential role of nutritional components in improving brain function among patients with Alzheimers disease: a meta-analysis of RCT studies
Meta Analysis Neurosciences (Riyadh, Saudi Arabia) 2020 PubMed DOI
B Pyridoxine (vitamin B6) supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2006 PubMed
B Effect of ginger in the treatment of nausea and vomiting compared with vitamin B6 and placebo during pregnancy: a meta-analysis
Meta Analysis The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians 2022 PubMed DOI
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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.