JYM Supplement Science Pre JYM High-Performance Pre-Workout
JYM Supplement Science Pre JYM High-Performance Pre-Workout is a pre-workout with 300 mg caffeine per serving. StimIndex grades it B tier (79.0/100, methodology v2.10.1). Third-party testing: none on file. $2.22 per clinically dosed serving (lowest price $49.99, checked Oct 8, 2026).
Solid dosing, just not maxed — a B student who could’ve studied more.
Flavor / size
Blueberry Pineapple: No artificial dyes.
- Per serving
- $1.67
- 30 servings on the tub
- Per effective serving
- $2.22
- one clinically dosed serving
Lowest price we found: $49.99 at 1 of 1 stores · checked 2026-10-08 · prices vary by store
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How we got this tier
How much of the ideal pre this delivers at clinical doses. Missing ingredients, or ones under 80% of their dose, count as 0.
Fully disclosed— every active amount is on the label.
Label math
Scored ingredient totals from the current run, the yield-adjusted actual amount, and the clinical dose we compared it to.
| Category | Ingredient | Label | Yield | Actual | Reference | % of dose | Source |
|---|---|---|---|---|---|---|---|
| Focus | FocusAlpha-GPC | Alpha-Glyceryl Phosphoryl Choline 150 mg150 mg | ×1 | 150 mg | 300 mg | 50% | |
| Endurance | EnduranceBeta-Alanine | Beta-Alanine 2 g2,000 mg | ×1 | 2,000 mg | 3,200 mg | 63%builds up with daily use; not in the tier | |
| Strength | StrengthBetaine Anhydrous (counts toward the tier) | Betaine (Trimethylglycine) 1.5 g1,500 mg | ×1 | 1,500 mg | 2,500 mg | 60%under 80%: no credit | |
| Absorption | AbsorptionBioPerine (Black Pepper Extract) | Black Pepper (Piper nigrum) Fruit Extract (as BioPerine®) 5 mg5 mg | ×1 | 5 mg | — | not scored | |
| Energy | EnergyCaffeine (counts toward the tier) | Caffeine Anhydrous 300 mg300 mg | ×1 | 300 mg | 200 mg | 100% ✓ | |
| Strength | StrengthCreatine Monohydrate | Creatine HCl 2 g2,000 mg | ×0.89(creatine hydrochloride) | 1,780 mg | 3,000 mg | 59%builds up with daily use; not in the tier | |
| Focus | FocusHuperzine A | Huperzine A (from Toothed Clubmoss [Huperzia serrata] Aerial Parts Extract) 50 mcg50 mcg | ×1 | 50 mcg | 50 mcg | 100% ✓ | |
| Pump | PumpL-Citrulline (counts toward the tier) | Citrulline Malate 6 g6,000 mg | ×0.667(citrulline malate) | 4,000.2 mg | 4,000 mg | 100% ✓ | |
| Strength | StrengthL-Isoleucine | BCAAs — L-Isoleucine 1.5 g1,500 mg | ×1 | 1,500 mg | — | not scored | |
| Strength | StrengthL-Leucine | BCAAs — L-Leucine 3 g3,000 mg | ×1 | 3,000 mg | — | not scored | |
| Focus | FocusL-Tyrosine (counts toward the tier) | L-Tyrosine 1.5 g1,500 mg | ×1 | 1,500 mg | 1,000 mg | 100% ✓ | |
| Strength | StrengthL-Valine | BCAAs — L-Valine 1.5 g1,500 mg | ×1 | 1,500 mg | — | not scored | |
| Endurance | EnduranceTaurine (counts toward the tier) | Taurine 1 g1,000 mg | ×1 | 1,000 mg | 1,000 mg | 100% ✓ | |
| Other | OtherBeet (Beta vulgaris) Root Extractnot in our ingredient database | Beet (Beta vulgaris) Root Extract 500 mg500 mg | — | 500 mg | — | not scored | — |
Energy Pump Endurance Strength Focus Absorption Other
= part of the ideal pre and counts toward the tier. Everything else is shown for the record.
Where the points went
- 100.0Perfect pre-workout
- Strength−15.0Betaine Anhydrous: 60% of 2,500 mg; under 80% earns nothingreference (opens in new window)
- Focus−5.0L-Theanine: not on the label (reference 100 mg)reference (opens in new window)
- −1.0Calories 80 per serving: -1 points
- 79.0Formula score
Scoring notes 94 ingredients excluded from Dose math · 1 other note
Excluded from Dose and clinical servings
Recorded on the label, but not counted toward dose credit.
Other notes
- Clinical Betaine Anhydrous takes 1.67 servings = 500 mg caffeine, over the 400 mg limit; Value neutralized and price-based winner awards excluded
Show full nutrition label for Blueberry Pineapple
Full printed label
(opens in new window)Supplement Facts
Serving columns: 1 scoop (24 g)
Servings Per Container: 1 scoop: 30
| Nutrient | 1 scoop |
|---|---|
| Calories | 80 kcal |
| Total Carbohydrate | 3 g (1%) |
| Total Sugars | 2 g |
| Sodium | 10 mg (1%) |
| Potassium | 77 mg (2%) |
| Calcium | 53 mg (4%) |
| Creatine HCl | 2 g |
| Beta-Alanine | 2 g |
| Betaine (Trimethylglycine) | 1.5 g |
| L-Tyrosine | 1.5 g |
| Taurine | 1 g |
| Beet (Beta vulgaris) Root Extract | 500 mg |
| Caffeine Anhydrous | 300 mg |
| Alpha-Glyceryl Phosphoryl Choline | 150 mg |
| Citrulline Malate | 6 g |
| BCAAs — L-Leucine | 3 g |
| BCAAs — L-Isoleucine | 1.5 g |
| BCAAs — L-Valine | 1.5 g |
| Huperzine A (from Toothed Clubmoss [Huperzia serrata] Aerial Parts Extract) | 50 mcg |
| Black Pepper (Piper nigrum) Fruit Extract (as BioPerine®) | 5 mg |
Only nutrients printed on the captured Supplement Facts panel are shown; omitted calories, carbohydrates, vitamins, or minerals were not listed on that label.
Other Ingredients for Blueberry Pineapple
Dextrose, Disodium Phosphate, Sucralose, Natural and Artificial Flavors, Acesulfame Potassium, Calcium Silicate, Gum Blend (Guar Gum, Acacia, Xanthan Gum), Fruit and Vegetable Juice (Color), Sunflower Lecithin, Dihydrate Calcium Phosphate, Silicon Dioxide.
Artificial dyes: None
Sweeteners: sucralose, acesulfame potassium
Label captured Oct 1, 2026 from the manufacturer's label (opens in new window) from the uploaded label image (opens in new window). Human review of this label is pending.
Lowest-available price history
Lowest in-stock price found per week, across every tracked store except Amazon.
View price history data
| Week | Lowest price |
|---|---|
| Sep 28, 2026 | $49.99 |
| Oct 5, 2026 | $49.99 |
Compare JYM Supplement Science Pre JYM High-Performance Pre-Workout with other pre-workouts
- JYM Supplement Science Pre JYM High-Performance Pre-Workout vs Alpha Lion SUPERHUMAN ExtremeB tier · Formula score 79.9
- JYM Supplement Science Pre JYM High-Performance Pre-Workout vs Raw Nutrition Essential Pre-WorkoutA tier · Formula score 80.0
- JYM Supplement Science Pre JYM High-Performance Pre-Workout vs Legion Athletics Pulse Pre-Workout (Caffeinated)A tier · Formula score 80.0
- JYM Supplement Science Pre JYM High-Performance Pre-Workout vs RYSE Supplements Godzilla Pre-WorkoutB tier · Formula score 75.0
- JYM Supplement Science Pre JYM High-Performance Pre-Workout vs BodyTech Elite Altered Savage PreworkoutB tier · Formula score 75.0
- JYM Supplement Science Pre JYM High-Performance Pre-Workout vs Beyond Raw LIT AF Pre-WorkoutA tier · Formula score 84.0
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