🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 28% of ingredients have research evidence
B Label Compliance Grade

Product Label

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Label Data

13 Gram(s) Serving Size
20 Servings
Other Combinations Product Type
28% Evidence Coverage

Supplement Facts — Evidence Check

Calories
80 Calorie(s)
Sodium
240 mg (10% DV)
Total Carbohydrates
3 Gram(s) (1% DV)
2 Gram(s)
📊 Market median: 5.0mg (298 products) 📚 701 studies (Tier A: 5, B: 123)
This product: 2mg
CarnoSyn
2 Gram(s)
1.5 Gram(s)
📊 Market median: 496.0mg (192 products) 📚 20 studies — no high-quality reviews
This product: 1.5mg
1 Gram(s)
📊 Market median: 500.0mg (180 products) 📚 5 studies (Tier A: 0, B: 1)
This product: 1mg
N-Acetyl L-Cysteine
600 mg
✅ Within RDA (0.3× RDA of 550 mg) 📚 36 studies (Tier A: 1, B: 7)
RDA 550mg This product: 150mg UL 3500mg
6 Gram(s)
📊 Market median: 2000.0mg (275 products)
Median 2000.0mg This product: 6mg
Beet (Beta vulgaris) root extract
500 mg
3 Gram(s)
📊 Market median: 17.4mg (161 products)
Median 17.4mg This product: 3mg
1.5 Gram(s)
📊 Market median: 17.4mg (161 products)
Median 17.4mg This product: 1.5mg
L-Valine
1.5 Gram(s)
1.5 Gram(s)
📊 Market median: 500.0mg (223 products) 📚 22 studies (Tier A: 0, B: 1)
This product: 1.5mg
📊 Market median: 180.0mg (239 products) 📚 43 studies (Tier A: 1, B: 19)
This product: 300mg UL 400mg
50 mcg
📊 Market median: 0.15mg (41 products)
Median 0.15mg This product: 0.05mg
Black Pepper extract
5 mg

Other Ingredients

Dextrose Disodium Phosphate Natural and Artificial flavors Sucralose Acesulfame Potassium Gum Blend

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (98% of products) Structure/Function (93% of products) Nutrient (20% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Pre-workout

Directions: As a dietary supplement, mix 1 scoop of Pre JYM in 12-32 oz. of water and drink 30-45 minutes before workouts. Consider allowing Pre JYM to mix for 10-15 minutes before drinking. Also consider drinking it over the course of 15-30 minutes. Initially use 1/2 serving or less to assess tolerance. Once tolerance is assessed, take no more than 1 serving. To avoid sleeplessness, do not consume within 6 hours of bedtime.

⚠️ Warnings & Precautions

Allergen warning: Produced on shared equipment that also produces products that may contain egg, milk, soy, tree nuts, and wheat.

Warnings: Do not use if you are under the age of 18, pregnant or nursing, have any known or suspected medical conditions, are taking any prescription or over the counter medications, or sensitive to caffeine.

Warnings: Do not use if you are under the age of 18, pregnant or nursing, have any known or suspected medical conditions, are taking any prescription or over the counter medications, or sensitive to caffeine.

Keep out of reach of children.

Consult with a qualified healthcare professional before using this or any other dietary supplement. Contains 300 mg of caffeine per serving, the equivalent of approximately 3 cups of coffee. Do not use with any other caffeinated product. Too much caffeine may cause nervousness, irritability, sleeplessness and/or rapid heartbeat. Immediately discontinue use and consult your doctor if any adverse reactions occur.

Do not purchase if seal is broken.

Prop 65 Warning: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

🧪 Formulation Notes

This product was produced in a GMP-compliant facility. Good Manufacturing Practices, or GMPs, are a set of standards which ensure the purity and proper labeling of dietary supplements.

Muscle growth Strength Energy Endurance Mind

6 g BCAAS 6 g citrulline malate 2 g creatine HCL 2 g beta-alanine 1.5 g betaine Per serving

Pineapple Strawberry Natural & Artificial flavors

Additional Information

My guarantee I’ve taken the decades I’ve spent in school, the lab, the gym, and the kitchen and distilled them into the very product you hold in your hands. I formulated every JYM Supplement Science product to include the same ingredients at the exact amount I use to reap maximum performance and physique benefits. It's my hope that you, too, will experience similar results. Jim Stoppani, PhD Owner - JYM Supplement Science For questions regarding JYM products go to: Twitter Instagram @JimStoppani or Facebook @JimStoppaniPhD or JYMSupplementScience.com

Get one month of free access to hundreds of Jim's workouts visit jimstoppani.com/jym-trial For more info on the JYM Supplement Science Lexicon and how it can help you optimize your results, go to JYMSupplementScience.com.

Made in the USA with domestic and international ingredients.

Store at 15-30 degrees C (59-86 degrees F). Protect from heat, light and moisture.

Product Details

UPC / SKU 8 17047 02113 0
DSLD Entry Date 2020-04-23
Product Type Other Combinations
Form Powder
DSLD ID 217574
Data Updated 2026-04-11

Research Evidence

739 Research Sources
47 Avg Quality Score
472 Clinical Trial
139 Meta Analysis
74 Systematic Review
47 Rct
2 Regulatory Source
1 Cochrane Review
1 Guideline
1 Openfda Safety
A Association of Age, Antipsychotic Medication, and Symptom Severity in Schizophrenia With Proton Magnetic Resonance Spectroscopy Brain Glutamate Level: A Mega-analysis of Individual Participant-Level Data
Meta Analysis JAMA psychiatry 2021
A HMG CoA reductase inhibitors (statins) for people with chronic kidney disease not requiring dialysis
Meta Analysis The Cochrane database of systematic reviews 2014
A Cordyceps sinensis (a traditional Chinese medicine) for treating chronic kidney disease
Meta Analysis The Cochrane database of systematic reviews 2014
B Greater Choline-Containing Compounds and Myo-inositol in Treatment-Resistant Versus Responsive Schizophrenia: A 1H-Magnetic Resonance Spectroscopy Meta-analysis
Meta Analysis Biological psychiatry. Cognitive neuroscience and neuroimaging 2024
B Comparison of statins for secondary prevention in patients with ischemic stroke or transient ischemic attack: a systematic review and network meta-analysis
Systematic Review BMC medicine 2019
B Efficacy of Creatine Supplementation Combined with Resistance Training on Muscle Strength and Muscle Mass in Older Females: A Systematic Review and Meta-Analysis
Meta Analysis Nutrients 2021
B The Effects of Creatine Supplementation on Upper- and Lower-Body Strength and Power: A Systematic Review and Meta-Analysis
Meta Analysis Nutrients 2025
B Meta-analysis of the efficacy and safety of Finerenone in diabetic kidney disease
Meta Analysis Medicine 2026
B Creatine and creatine analogues in hypertension and cardiovascular disease
Meta Analysis The Cochrane database of systematic reviews 2011
B HMG CoA reductase inhibitors (statins) for dialysis patients
Meta Analysis The Cochrane database of systematic reviews 2013
View all evidence for Creatine →

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