ProSupps Dr. Jekyll Signature, Stimulant-Free Pre-Workout, Blueberry Lemonade, 10.4 oz (294.9 g) supplement bottle
ProSupps

Dr. Jekyll Signature, Stimulant-Free Pre-Workout, Blueberry Lemonade, 10.4 oz (294.9 g)

What We Researched
12 active ingredients analyzed · 9 inactive ingredients decoded · 1 brand certification checked · 3 retailers compared · Last updated: Mar 2026
72
Product Score Fair
62
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Performance Matrix 5.5 g
Beta Alanine 3.2 g *
Creatine HCl 1.5 g *
Inositol-Enhanced Arginine Silicate (nooLVL™) 800 mg *
Cognitive Drive Matrix 750 mg
Choline Bitartrate 450 mg *
L-Tyrosine 250 mg *
Panax ginseng Extract (stem and leaf) 50 mg *
Adaptogenic Matrix 160 mg
Ashwagandha Extract (Withania somnifera) (root) (KSM66®) 125 mg *
Aframomum melegueta 10:1 Extract (seed) (6-paradol 12.5%) (CaloriBurn GP™) 30 mg *
Black Pepper Extract (fruit) 5 mg *
Bioavailability Fair

Absorption Rating

  • Performance Matrix Poor
  • Beta Alanine Good
  • Creatine HCl Fair
  • Inositol-Enhanced Arginine Silicate (nooLVL™) Good
  • Cognitive Drive Matrix Poor
  • Choline Bitartrate Poor
  • L-Tyrosine Good
  • Panax ginseng Extract (stem and leaf) Good
  • Adaptogenic Matrix Poor
  • Ashwagandha Extract (Withania somnifera) (root) (KSM66®) Good
  • Aframomum melegueta 10:1 Extract (seed) (6-paradol 12.5%) (CaloriBurn GP™) Fair
  • Black Pepper Extract (fruit) Good
Other Ingredients Excellent

Fillers & Additives

  • Citric Acid
  • Malic Acid
  • Natural & Artificial Flavors
  • Medium chain triglyceride (mct) powder
  • Sucralose
  • Silicon Dioxide
  • Calcium Silicate
  • Fruit and Vegetable Juice (for color)
  • Acesulfame Potassium
Efficacy Poor

Dosage Analysis

  • Beta Alanine 3.2 g Effective
  • Creatine HCl 1.5 g Under-dosed
  • Inositol-Enhanced Arginine Silicate (nooLVL™) 800 mg Under-dosed
  • Choline Bitartrate 450 mg Under-dosed
  • L-Tyrosine 250 mg Under-dosed
  • Panax ginseng Extract (stem and leaf) 50 mg Under-dosed
  • Ashwagandha Extract (Withania somnifera) (root) (KSM66®) 125 mg Under-dosed
  • Aframomum melegueta 10:1 Extract (seed) (6-paradol 12.5%) (CaloriBurn GP™) 30 mg Effective
  • Black Pepper Extract (fruit) 5 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Performance Matrix 5.5 g
Beta Alanine 3.2 g *
Creatine HCl 1.5 g *
Inositol-Enhanced Arginine Silicate (nooLVL™) 800 mg *
Cognitive Drive Matrix 750 mg
Choline Bitartrate 450 mg *
L-Tyrosine 250 mg *
Panax ginseng Extract (stem and leaf) 50 mg *
Adaptogenic Matrix 160 mg
Ashwagandha Extract (Withania somnifera) (root) (KSM66®) 125 mg *
Aframomum melegueta 10:1 Extract (seed) (6-paradol 12.5%) (CaloriBurn GP™) 30 mg *
Black Pepper Extract (fruit) 5 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Citric Acid Safe

Adds tartness and acts as a natural preservative. Also aids in ingredient stability.

Malic Acid Safe

Adds tartness and enhances fruit flavors in gummies and chewables.

Natural & Artificial Flavors Generally_safe

It is used to improve the taste of the product.

Medium chain triglyceride (mct) powder Unknown
Sucralose Generally_safe

Adds sweetness to chewables, gummies, and powdered supplements without calories.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Calcium Silicate Safe

Prevents ingredient clumping during manufacturing.

Fruit and Vegetable Juice (for color) Safe

It is used to provide natural color to supplements.

Acesulfame Potassium Generally_safe

It is used to provide sweetness without adding calories.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$28$27$26$25$24 Mar 12 $26.00
iHerb

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
ProSupps

Founded 2004 · Plano, Texas, United States · 20 products · prosupps.com/

Certifications

1 certification
Informed Sport Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed Source

Violation History

2 incidents
Lawsuit Mislabeling of the 'Hydro' supplement, claiming it has zero carbohydrates and calories when a lab test indicated otherwise.2025Source
Fda Warning Significant violations of Current Good Manufacturing Practice (cGMP) regulations for dietary supplements. Failure to establish and follow written procedures for the responsibilities of the quality control operations. Failure to investigate a product complaint that resulted in hospitalization and failure to report serious adverse events.2017-02-03Source
Related Supplements
Frequently Asked Questions
Is ProSupps Dr. Jekyll Signature, Stimulant-Free Pre-Workout a good supplement?

ProSupps Dr. Jekyll Signature, Stimulant-Free Pre-Workout, Blueberry Lemonade, 10.4 oz (294.9 g) received a product quality score of 72/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 12 active ingredients with 30 servings per container. Of the 9 inactive ingredients, 5 are rated safe and 0 are flagged for review. The manufacturer, ProSupps, holds a brand trust score of 62/100 with 1 verified certifications including Informed Sport.

What are the ingredients in ProSupps Dr. Jekyll Signature, Stimulant-Free Pre-Workout?

ProSupps Dr. Jekyll Signature, Stimulant-Free Pre-Workout contains 12 active ingredients: Performance Matrix (5.5 g), Beta Alanine (3.2 g), Creatine HCl (1.5 g), Inositol-Enhanced Arginine Silicate (nooLVL™) (800 mg), Cognitive Drive Matrix (750 mg), Choline Bitartrate (450 mg), and 6 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is ProSupps Dr. Jekyll Signature, Stimulant-Free Pre-Workout safe to take?

ProSupps Dr. Jekyll Signature, Stimulant-Free Pre-Workout, Blueberry Lemonade, 10.4 oz (294.9 g) has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is ProSupps a trustworthy supplement brand?

ProSupps receives a brand trust score of 62/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2004 and headquartered in Plano, Texas, United States, the company offers 20 products in their lineup. They hold 1 verified certifications including Informed Sport. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: ProSupps has 2 historical regulatory incidents on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.