JYM Supplement Science Pre JYM®, High Performance Pre-Workout, Grape Candy, 1.65 lbs (750 g) supplement bottle
JYM Supplement Science

Pre JYM®, High Performance Pre-Workout, Grape Candy, 1.65 lbs (750 g)

What We Researched
20 active ingredients analyzed · 7 inactive ingredients decoded · 1 brand certification checked · 2 retailers compared · Last updated: Mar 2026
89
Product Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Calcium 40 mg 3%
Creatine HCl (as CON-CRET®) 2 g
Beta-Alanine 2 g
Betaine (Trimethylglycine) 1.5 g
Taurine 1 g
Alpha-Glyceryl Phosphoryl Choline 150 mg
Citrulline Malate 6 g
Beet (Beta vulgaris) Root Extract 500 mg
L-Leucine 3 g
L-Isoleucine 1.5 g
L-Valine 1.5 g
L-Tyrosine 1.5 g
Caffeine Anhydrous 300 mg
Huperzine A [from Toothed Clubmoss (Huperzia serrata) Aerial Parts Extract] 50 mcg
Black Pepper (Piper nigrum) Fruit Extract (as BioPerine®) 5 mg
Bioavailability Excellent

Absorption Rating

  • Calcium Good
  • Creatine HCl (as CON-CRET®) Fair
  • Beta-Alanine Good
  • Betaine (Trimethylglycine) Good
  • Taurine Good
  • Alpha-Glyceryl Phosphoryl Choline Poor
  • Citrulline Malate Good
  • Beet (Beta vulgaris) Root Extract Good
  • L-Leucine Good
  • L-Isoleucine Good
  • L-Valine Good
  • L-Tyrosine Good
  • Caffeine Anhydrous Good
  • Huperzine A [from Toothed Clubmoss (Huperzia serrata) Aerial Parts Extract] Good
  • Black Pepper (Piper nigrum) Fruit Extract (as BioPerine®) Good
Other Ingredients Excellent

Fillers & Additives

  • Dextrose
  • Natural Flavor
  • Sodium Citrate
  • Fruit and Vegetable Juice (Color)
  • Calcium Silicate
  • Sucralose
  • Acesulfame Potassium
Efficacy Good

Dosage Analysis

  • Calcium 40 mg Under-dosed
  • Creatine HCl (as CON-CRET®) 2 g Under-dosed
  • Beta-Alanine 2 g Under-dosed
  • Betaine (Trimethylglycine) 1.5 g Effective
  • Taurine 1 g Effective
  • Alpha-Glyceryl Phosphoryl Choline 150 mg Under-dosed
  • Citrulline Malate 6 g Effective
  • Beet (Beta vulgaris) Root Extract 500 mg Effective
  • L-Leucine 3 g Effective
  • L-Isoleucine 1.5 g High
  • L-Valine 1.5 g Effective
  • L-Tyrosine 1.5 g Effective
  • Caffeine Anhydrous 300 mg Effective
  • Huperzine A [from Toothed Clubmoss (Huperzia serrata) Aerial Parts Extract] 50 mcg Effective
  • Black Pepper (Piper nigrum) Fruit Extract (as BioPerine®) 5 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Calories 70
Total Carbohydrate 2 g 1%**
Total Sugars 1 g
Includes 1 g Added Sugars 2%**
Calcium 40 mg 3%
Sodium 100 mg 4%
Creatine HCl (as CON-CRET®) 2 g
Beta-Alanine 2 g
Betaine (Trimethylglycine) 1.5 g
Taurine 1 g
Alpha-Glyceryl Phosphoryl Choline 150 mg
Citrulline Malate 6 g
Beet (Beta vulgaris) Root Extract 500 mg
L-Leucine 3 g
L-Isoleucine 1.5 g
L-Valine 1.5 g
L-Tyrosine 1.5 g
Caffeine Anhydrous 300 mg
Huperzine A [from Toothed Clubmoss (Huperzia serrata) Aerial Parts Extract] 50 mcg
Black Pepper (Piper nigrum) Fruit Extract (as BioPerine®) 5 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Dextrose Generally_safe

It is used as a filler, sweetener, or to improve the flow of powders.

Natural Flavor Safe

Improves taste of chewable, gummy, or liquid supplements.

Sodium Citrate Safe

Stabilizes pH and helps maintain ingredient effectiveness.

Fruit and Vegetable Juice (Color) Safe

It is used to add color to the supplement.

Calcium Silicate Safe

Prevents ingredient clumping during manufacturing.

Sucralose Generally_safe

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

Acesulfame Potassium Generally_safe

It is used to provide sweetness without adding calories.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$55$54$53$52$51 Mar 12 $53.00
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
JYM Supplement Science

Founded 2013 · Westlake Village, CA, USA · 25 products · jymsupplementscience.com/

Certifications

1 certification
Clean Label Project Verified Source

Transparency

1 claim

Violation History

2 incidents
Lawsuit Misleading label claims and incorrect ingredient quantities for Pre-JYM and Post-JYM products.2017Source
Lawsuit Trademark dispute with Bodybuilding.com over the 'JYM' mark.2016Source
Related Supplements
Frequently Asked Questions
Is JYM Supplement Science Pre JYM®, High Performance Pre-Workout a good supplement?

JYM Supplement Science Pre JYM®, High Performance Pre-Workout, Grape Candy, 1.65 lbs (750 g) received a product quality score of 89/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 20 active ingredients with 30 servings per container. Of the 7 inactive ingredients, 4 are rated safe and 0 are flagged for review.

What are the ingredients in JYM Supplement Science Pre JYM®, High Performance Pre-Workout?

JYM Supplement Science Pre JYM®, High Performance Pre-Workout contains 20 active ingredients: Calories (70), Total Carbohydrate (2 g), Total Sugars (1 g), Includes 1 g Added Sugars, Calcium (40 mg), Sodium (100 mg), and 14 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is JYM Supplement Science Pre JYM®, High Performance Pre-Workout safe to take?

JYM Supplement Science Pre JYM®, High Performance Pre-Workout, Grape Candy, 1.65 lbs (750 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.

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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.