🟢 99/100

This product looks safe

  • Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)
  • 56% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Niacin: 50mg is 1.4× the Tolerable Upper Intake Level (35mg)

Label Data

4 Tablet(s) Serving Size
30 Servings
Other Combinations Product Type
56% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin A
5000 IU (100% DV)
Vitamin C
300 mg (500% DV)
1600 IU (400% DV)
✅ 2.7× RDA — within safe limits 📚 604 studies (Tier A: 16, B: 251)
RDA 0.015mg This product: 0.04mg UL 0.1mg
52 IU (173% DV)
✅ 2.3× RDA — within safe limits 📚 177 studies (Tier A: 3, B: 90)
RDA 15mg This product: 34.84mg UL 1000mg
50 mg (3333% DV)
📊 41.7× RDA — above typical dose 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 50mg
50 mg (2941% DV)
📊 38.5× RDA — above typical dose 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 50mg
50 mg (250% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.4× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 50mg UL 35mg
50 mg (2500% DV)
📊 38.5× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 50mg UL 100mg
400 mcg (100% DV)
✅ Within RDA (1.0× RDA of 0.4 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 0.4mg UL 1.0mg
6 mcg (100% DV)
✅ 2.5× RDA — within safe limits 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.006mg
300 mcg (100% DV)
📊 10.0× RDA — above typical dose 📚 26 studies (Tier A: 0, B: 11)
RDA 0.03mg This product: 0.3mg
139 mg (1390% DV)
📊 27.8× RDA — above typical dose 📚 1 studies — no high-quality reviews
RDA 5mg This product: 139mg
Calcium
200 mg (20% DV)
Iron
18 mg (100% DV)
150 mcg (100% DV)
✅ Within RDA (1.0× RDA of 0.15 mg) 📚 243 studies (Tier A: 4, B: 133)
RDA 0.15mg This product: 0.15mg UL 1.1mg
100 mg (25% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 100mg
30 mg (200% DV)
✅ 2.7× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 30mg UL 40mg
70 mcg (100% DV)
✅ 1.3× RDA — within safe limits 📚 172 studies (Tier A: 0, B: 67)
RDA 0.055mg This product: 0.07mg UL 0.4mg
2 mg (100% DV)
✅ 2.2× RDA — within safe limits 📚 36 studies (Tier A: 0, B: 11)
RDA 0.9mg This product: 2mg UL 10mg
5 mg (250% DV)
✅ 2.2× RDA — within safe limits 📚 8 studies — no high-quality reviews
RDA 2.3mg This product: 5mg UL 11mg
200 mcg (167% DV)
📊 5.7× RDA — above typical dose 📚 197 studies (Tier A: 1, B: 55)
RDA 0.035mg This product: 0.2mg
75 mcg (100% DV)
✅ 1.7× RDA — within safe limits 📚 2 studies — no high-quality reviews
RDA 0.045mg This product: 0.075mg UL 2mg
Potassium
100 mg (3% DV)
Power & Performance Blend:
SX-7 Support Matrix:
Adaptogen Plus Blend
Enzyme Plus Blend:

Other Ingredients

Microcrystalline Cellulose Coating Stearic Acid Croscarmellose Sodium Crospovidone Silicon Dioxide Magnesium Stearate Maltodextrin

Label Claims — Verification

All Other
Structure/Function
All Other (99% of products) Structure/Function (76% of products) Nutrient (58% of products)

Target Groups

Adult Male (18-50 Years)

Product Information

📋 Directions for Use

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

⚠️ Warnings & Precautions

Contains soy ingredients.

WARNING: For adult use only.

Do not use if pregnant or nursing.

May cause flushing or itching. Childbearing age women should limit daily vitamin A intake to 10,000 IU (excludes beta-carotene).

Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. In case of accidental overdose, call a medical doctor or poison control center immediately.

If you experience a skin rash or any other allergic reaction, discontinue use and consult a medical doctor.

Consult a medical doctor if you have a medical condition or before starting any diet or exercise program.

KEEP OUT OF REACH OF CHILDREN.

Do not use if packaging has been tampered with.

🧪 Formulation Notes

In an 8-week human clinical study, subjects using the precise dose of Terminalia arjuna in VitaMax Sport SX-7 Black Onyx experienced a 4.9% increase in VO2 max measured through gas exchange kinetics.

Recently published human clinical research has indicated that the precise dose of elevATP in VitaMax Sport SX-7 Black Onyx can increase blood ATP levels.

Elite performance multivitamin for men

Featuring Terminalia, elevATP, Extramel & Bioperine

Contains soy ingredients.

PERFORMANCE MULTIVITAMIN FOR MEN You’re an active male who deserves a superior multivitamin formula. VitaMax Sport SX-7 Black Onyx is the only multivitamin featuring key ingredients that are backed by two different studies on performance in men!

Additional Information

In fact, it delivers more than 100% of your Daily Value of 20 different essential vitamins and minerals for general health support.

Increases Power, Performance & Plasma ATP

Subjects also significantly increased average absolute power by 3.6%, measured through interval jumps and a subsequent power calculation. Sandhu et al., 2010. Int J Ayurveda Res. 1(3):144–9.

ATP is the primary source of energy used during workouts or sports. Reyes-Izquierdo et al., 2014. J Aging Res Clin Pract. 3:56-60.

Made in the USA from international ingredients

38 premium ingredients

Research & development

20 vitamins & minerals at 100% daily value or more Increased power, performance & blood ATP levels

1-month supply

PEEL FOR MORE INFORMATION

12086US 0116

Not intended to treat low testosterone or sexual dysfunction.

Store in a cool, dry place (60(0)F to 80(0)F).

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

DO NOT PEEL PAST THIS POINT

Product Details

UPC / SKU 6 31656 60751 2
DSLD Entry Date 2016-08-24
Product Type Other Combinations
Form Tablet or Pill
Brand MuscleTech
DSLD ID 63482
Data Updated 2026-04-11

Research Evidence

337 Research Sources
54 Avg Quality Score
161 Meta Analysis
68 Systematic Review
51 Rct
48 Clinical Trial
2 Other
2 Regulatory Source
1 Narrative Review
1 Cochrane Review
1 Guideline
1 Openfda Safety
A Vitamin A supplementation for preventing morbidity and mortality in children from six months to five years of age
Meta Analysis The Cochrane database of systematic reviews 2017
A Vitamin A supplementation for the prevention of morbidity and mortality in infants six months of age or less
Meta Analysis The Cochrane database of systematic reviews 2011
A Vitamin A supplementation for reducing the risk of mother-to-child transmission of HIV infection
Meta Analysis The Cochrane database of systematic reviews 2011
A Vitamin A supplements for preventing mortality, illness, and blindness in children aged under 5: systematic review and meta-analysis
Meta Analysis BMJ (Clinical research ed.) 2011
A Fortification of staple foods with vitamin A for vitamin A deficiency
Systematic Review The Cochrane database of systematic reviews 2019
A Vitamin A supplementation for the prevention of morbidity and mortality in infants one to six months of age
Narrative Review The Cochrane database of systematic reviews 2016
A Vitamin A and fish oils for preventing the progression of retinitis pigmentosa
Meta Analysis The Cochrane database of systematic reviews 2020
A Exercise training-induced changes in exerkine concentrations may be relevant to the metabolic control of type 2 diabetes mellitus patients: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Journal of sport and health science 2023
A Food fortification with multiple micronutrients: impact on health outcomes in general population
Meta Analysis The Cochrane database of systematic reviews 2019
A Oral vitamin A supplements to prevent acute upper respiratory tract infections in children up to seven years of age
Meta Analysis The Cochrane database of systematic reviews 2024
View all evidence for Vitamin A →

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