LEGION ATHLETICS
Legion Athletics Pulse
- Caffeine per serving
- 350 mg
- Price per serving
- $2.50
- Main actives at researched doses
- 2 of 3
- Label observed
- August 3, 2026
- Confirmed formula changes
- 0
Comparison · Dated labels
Legion Athletics Pulse vs Transparent Labs Bulk Black Pre-Workout
THE SHORT ANSWER
Legion Athletics Pulse declares 350 mg of caffeine per serving and Transparent Labs Bulk Black Pre-Workout declares 325 mg, on labels both observed August 3, 2026. At the prices FormulaSignal observed, Legion Athletics Pulse costs $2.50 a serving and Transparent Labs Bulk Black Pre-Workout $1.83. They share 3 declared active ingredients; Legion Athletics Pulse lists 2 the other does not, and Transparent Labs Bulk Black Pre-Workout lists 9.
Every figure here is read from the FormulaSignal Record, from each brand's own product page, with the date it was observed. No winner is declared and no product is scored.
At a glance
Two labels, the same five facts.
TRANSPARENT LABS
Transparent Labs Bulk Black Pre-Workout
- Caffeine per serving
- 325 mg
- Price per serving
- $1.83
- Main actives at researched doses
- 3 of 3
- Label observed
- August 3, 2026
- Confirmed formula changes
- 0
Which fits you
Choose by what you care about.
Each line is a measured difference between the two labels, not a verdict. Nothing here says either product works, or is safe for you.
You want less caffeine per serving: Transparent Labs Bulk Black Pre-Workout
325 mg against 350 mg declared per serving. Less is not safer and more is not better; how much suits you is a question for a clinician.
Cost per serving matters most: Transparent Labs Bulk Black Pre-Workout
$1.83 against $2.50 a serving at the prices FormulaSignal observed (Aug 3, 2026 and Jul 25, 2026). Not every price here is established as a list price.
You want more of the main actives at researched doses: Transparent Labs Bulk Black Pre-Workout
3 of 3 main actives on Transparent Labs Bulk Black Pre-Workout sit inside the dose range the cited research used, against 2 of 3 on Legion Athletics Pulse. A comparison of numbers, not of how well either works.
Side by side
Legion Pulse and Transparent Labs Bulk Black, line by line.
The same fields the FormulaSignal API and MCP server return for this pair.
| Field | Legion Pulse | Transparent Labs Bulk Black |
|---|---|---|
| Caffeine per serving The Record's total across every declared caffeine source. Neither direction is better. | 350 mg | 325 mg |
| Price per serving Observed package price divided by the stated serving count. The basis of each price is on the product's Record. | $2.50 | $1.83 |
| Monthly cost at five uses a week | $54.16 | $39.65 |
| Servings per container | 20 | 30 |
| Ingredients with a disclosed amount A proprietary blend total counts as one amount, and the split inside it stays undisclosed. | 9 of 9 | 16 of 16 |
| Main actives inside researched doses Declared amounts measured against the range the cited research used. Not a measure of effectiveness. | 2 of 3 | 3 of 3 |
| Documented cautions | Stimulant-load gate, Alpha-GPC 50% material | Stimulant-load gate, Alpha-GPC 50% material |
| Regulatory records A filing exists. It is not a finding about safety. | None on file | None on file |
| Confirmed formula changes Zero means none confirmed, not that the formula never changed. | 0 | 0 |
| Label observed | August 3, 2026 | August 3, 2026 |
Ingredient by ingredient
What both declare, and what only one does.
Matched by FormulaSignal's normalized identity, so two brand names for the same compound line up and two forms of one ingredient do not. Vitamins, minerals and electrolytes are left out; caffeine is compared as a total above.
| Declared by both | Legion Pulse | Transparent Labs Bulk Black |
|---|---|---|
| Beta-alanine | 3.6 g | 4000 mg |
| L-theanine | 350 mg | 200 mg |
| Alpha-GPC 50% material | 300 mg | 300 mg |
Only on Legion Athletics Pulse
- L-Citrulline DL-Malate 2:1: 8 g
- Betaine anhydrous: 2.5 g
Only on Transparent Labs Bulk Black Pre-Workout
- Zinc (as Zinc Chelate): 10 mg
- Potassium (as Potassium Citrate): 130 mg
- Citrulline malate: 8000 mg
- Betaine Anhydrous (BetaPure): 2500 mg
- L-tyrosine: 2000 mg
- Senactiv Tienchi Ginseng (Panax notoginseng) (Root) Extract & Chestnut Rose (Rosa roxburghii) (Fruit) Extract: 50 mg
- Bioperine (Black Pepper Extract) (Piper nigrum) (fruit): 5 mg
- Boron (from Boron Citrate): 3 mg
- Huperzine A (Huperzia serrata) (leaf): 200 mcg
Evidence
Open the sources behind every figure.
Each product's Record lists every capture, with both its observation and access dates.
Legion Athletics Pulse: label
Legion Athletics · P1 · observed August 3, 2026
Open source evidenceLegion Athletics Pulse: price
Legion Athletics · observed price, basis not established · observed July 25, 2026
Open source evidenceTransparent Labs Bulk Black Pre-Workout: label
Transparent Labs · P1 · observed August 3, 2026
Open source evidenceTransparent Labs Bulk Black Pre-Workout: price
Transparent Labs · observed price, basis not established · observed August 3, 2026
Open source evidence
Questions
Legion Pulse vs Transparent Labs Bulk Black: common questions
Which has more caffeine, Legion Pulse or Transparent Labs Bulk Black?
Legion Athletics Pulse declares 350 mg per serving and Transparent Labs Bulk Black Pre-Workout 325 mg, on the labels observed August 3, 2026 and August 3, 2026. More caffeine is not better; what suits you is a question for a clinician.
Is Legion Pulse stronger than Transparent Labs Bulk Black?
If “stronger” means caffeine, Legion Athletics Pulse declares more (350 mg against 325 mg). FormulaSignal does not rate how strong a product feels; that is an experience question the labels cannot answer.
Which is cheaper per serving?
Transparent Labs Bulk Black Pre-Workout, at $1.83 a serving (observed price, basis not established on Aug 3, 2026), against Legion Athletics Pulse at $2.50 a serving (observed price, basis not established on Jul 25, 2026).
Do Legion Pulse and Transparent Labs Bulk Black contain creatine?
Legion Athletics Pulse: none declared on its complete label. Transparent Labs Bulk Black Pre-Workout: none declared on its complete label.
Do they contain beta-alanine?
Legion Athletics Pulse: CarnoSyn Beta-Alanine (3.6 g). Transparent Labs Bulk Black Pre-Workout: Beta Alanine (4000 mg).
Has either formula changed?
FormulaSignal holds no confirmed change for either product. That is a statement about the Record, not a finding that neither formula ever changed.
Keep comparing
Other comparisons with these two.
- Legion Athletics Pulse vs Transparent Labs BULK
- Legion Athletics Pulse vs Cellucor C4 Original
- Legion Athletics Pulse vs Gorilla Mind Gorilla Mode
- Legion Athletics Pulse vs Transparent Labs Lean Pre-Workout
- Legion Athletics Pulse vs Kaged Pre-Workout (Pre-Kaged)
- Legion Athletics Pulse vs Transparent Labs Stim-Free Pre-Workout
- Transparent Labs BULK vs Transparent Labs Bulk Black Pre-Workout
- Transparent Labs Bulk Black Pre-Workout vs Transparent Labs Lean Pre-Workout
- Transparent Labs Bulk Black Pre-Workout vs Transparent Labs Beast Bulk Pre-Workout
Lists that include both
- The highest-caffeine pre-workoutsLegion Pulse #8, Transparent Labs Bulk Black #11
- The cheapest pre-workouts per servingLegion Pulse #64, Transparent Labs Bulk Black #56
- Pre-workouts with no proprietary blendLegion Pulse #42, Transparent Labs Bulk Black #13
- Clinically dosed pre-workouts, checked against the researchLegion Pulse #44, Transparent Labs Bulk Black #13
Every comparison · Pre-workout lists · What the Record covers
Considering both?
Keep them in your Locker, free.
Save either one as Considering. Your Locker keeps the dated label reference, and optional monitoring tells you if a formula you rely on changes before you reorder.