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Old Jack Extreme PreWorkout Tropical Fruit Punch

product on market Powder GenOne Laboratories Safety: 86/100
86/100

This product is generally safe

  • Vitamin B3: 60mg is 1.7× the Tolerable Upper Intake Level (35mg)
  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 60% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

L-Citrulline is supported by moderate evidence for increasing nitric oxide levels and improving exercise performance. The included B-vitamins and Vitamin C contribute to energy metabolism and antioxidant support. Overall, the evidence coverage for this specific ingredient profile is limited.

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

Alerts

Safety Alerts

Vitamin B3: 60mg is 1.7× the Tolerable Upper Intake Level (35mg)

Contains proprietary blend — exact ingredient amounts not disclosed

Label

Product Label

Label for Old Jack Extreme PreWorkout Tropical Fruit Punch
Open Full PDF View on NIH DSLD →
Details

Label Data

8.5 Gram(s)
Serving Size
30
Servings
Other Combinations
Product Type
60%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
250 mg (416% DV)
60 mg (200% DV)
Exceeds UL by 1.7× (UL: 35 mg) 196 studies (A:5, B:63)
1 mg (300% DV)
Within RDA (0.8× RDA) 114 studies (A:3, B:35)
50 mcg (833% DV)
20.8× RDA — above typical dose 139 studies (A:1, B:44)
4 Gram(s)
Market median: 2000.0mg (275 products)
4 Gram(s)
Market median: 1500.0mg (104 products) 21 studies (A:0, B:2)
Market median: 5.0mg (298 products) 705 studies (A:5, B:123)
Market median: 500.0mg (143 products)
1000 mg
Market median: 500.0mg (180 products) 5 studies (A:0, B:1)
Proprietary Blend
806 mg

Other Ingredients

Natural & Artificial flavors Malic Acid Sucralose Citric Acid Acesulfame Potassium Silicon Dioxide
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Old Jack optimal performance usage: As a dietary supplement, take one (1) scoop with 8-12oz of water. New users may wish to assess tolerance with 1/2 scoop. Do not exceed one scoop in a 24-hour period.

Warnings & Precautions

Warning: For use by healthy adults only, not recommended for persons under the age of 18.

Do not use if you are pregnant or nursing.

Individuals should not consume other caffeinated products in conjunction with this product. Seek advice from a healthcare professional if you have any pre-existing medical condition to ensure it is safe to take this product. In case of accidental overdose contact a poison control center immediately. Exceeding recommended serving will not improve results and may cause serious adverse health effects. Discontinue use and contact a licensed healthcare professional immediately if you experience an unusually rapid heartbeat, dizziness, sever headache, or shortness of breath.

Avoid alcohol and prescription stimulants while taking this product.

Keep out of reach of children.

Formulation Notes

Formulated with key ingredients

Preworkout catalyst Promotes muscle growth & recovery Enhanced muscular endurance Explosive energy & focus

Additional Information

Full spectrum dosing 17 grams per serving

Metadata

Product Details

UPC / SKU6 80175 74312 6
DSLD Entry Date2021-05-22
Product TypeOther Combinations
FormPowder
DSLD ID247768
Data Updated2026-04-11
Research

Research Evidence

371
Research Sources
54
Avg Quality
148
Meta Analysis
82
Systematic Review
71
Rct
62
Clinical Trial
2
Regulatory Source
1
Cochrane Review
1
Narrative Review
1
Other
1
Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024 PubMed DOI
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021 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.