TRANSPARENT LABS
Transparent Labs BULK
- Caffeine per serving
- 200 mg
- Price per serving
- $1.67
- Main actives at researched doses
- 4 of 4
- Label observed
- July 25, 2026
- Confirmed formula changes
- 0
Comparison · Dated labels
Transparent Labs BULK vs Transparent Labs Lean Pre-Workout
THE SHORT ANSWER
Transparent Labs BULK declares 200 mg of caffeine per serving and Transparent Labs Lean Pre-Workout declares 180 mg, on labels observed July 25, 2026 and August 3, 2026. At the prices FormulaSignal observed, Transparent Labs BULK costs $1.67 a serving and Transparent Labs Lean Pre-Workout $1.67. They share 5 declared active ingredients; Transparent Labs BULK lists 4 the other does not, and Transparent Labs Lean 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 Lean Pre-Workout
- Caffeine per serving
- 180 mg
- Price per serving
- $1.67
- Main actives at researched doses
- 2 of 4
- 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 more of the main actives at researched doses: Transparent Labs BULK
4 of 4 main actives on Transparent Labs BULK sit inside the dose range the cited research used, against 2 of 4 on Transparent Labs Lean Pre-Workout. A comparison of numbers, not of how well either works.
Side by side
Transparent Labs BULK and Transparent Labs Lean, line by line.
The same fields the FormulaSignal API and MCP server return for this pair.
| Field | Transparent Labs BULK | Transparent Labs Lean |
|---|---|---|
| Caffeine per serving The Record's total across every declared caffeine source. Neither direction is better. | 200 mg | 180 mg |
| Price per serving Observed package price divided by the stated serving count. The basis of each price is on the product's Record. | $1.67 | $1.67 |
| Monthly cost at five uses a week | $36.18 | $36.18 |
| Servings per container | 30 | 30 |
| Ingredients with a disclosed amount A proprietary blend total counts as one amount, and the split inside it stays undisclosed. | 17 of 17 | 15 of 15 |
| Main actives inside researched doses Declared amounts measured against the range the cited research used. Not a measure of effectiveness. | 4 of 4 | 2 of 4 |
| Documented cautions | Alpha-GPC | None on file |
| 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 | July 25, 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 | Transparent Labs BULK | Transparent Labs Lean |
|---|---|---|
| Citrulline malate | 8000 mg | 6000 mg |
| Beta-alanine | 4000 mg | 2000 mg |
| Betaine anhydrous | 2500 mg | 1500 mg |
| L-theanine | 200 mg | 180 mg |
| Theobromine | 50 mg | 50 mg |
Only on Transparent Labs BULK
- Taurine: 1300 mg
- L-tyrosine: 1000 mg
- Alpha-GPC: 300 mg
- Senactiv: 50 mg
Only on Transparent Labs Lean Pre-Workout
- Iodine (as Potassium Iodide): 225 mcg
- Zinc (as Zinc Citrate): 15 mg
- Selenium (as L-Selenomethionine): 55 mcg
- Copper (as Copper Carbonate): 1 mg
- Chromium (as Chromax (Chromium Picolinate)): 200 mcg
- Acetyl L-Carnitine HCl: 1000 mg
- Choline bitartrate: 500 mg
- Bioperine (Piper Nigrum) (Black Pepper (Fruit) Extract): 5 mg
- Huperzine A (Huperzia serrata) (leaf): 100 mcg
Evidence
Open the sources behind every figure.
Each product's Record lists every capture, with both its observation and access dates.
Transparent Labs BULK: label
Transparent Labs · P1 · observed July 25, 2026
Open source evidenceTransparent Labs BULK: price
Transparent Labs · observed price, basis not established · observed August 3, 2026
Open source evidenceTransparent Labs Lean Pre-Workout: label
Transparent Labs · P1 · observed August 3, 2026
Open source evidenceTransparent Labs Lean Pre-Workout: price
Transparent Labs · observed price, basis not established · observed August 3, 2026
Open source evidence
Questions
Transparent Labs BULK vs Transparent Labs Lean: common questions
Which has more caffeine, Transparent Labs BULK or Transparent Labs Lean?
Transparent Labs BULK declares 200 mg per serving and Transparent Labs Lean Pre-Workout 180 mg, on the labels observed July 25, 2026 and August 3, 2026. More caffeine is not better; what suits you is a question for a clinician.
Is Transparent Labs BULK stronger than Transparent Labs Lean?
If “stronger” means caffeine, Transparent Labs BULK declares more (200 mg against 180 mg). FormulaSignal does not rate how strong a product feels; that is an experience question the labels cannot answer.
Which is cheaper per serving?
They cost the same per serving at the prices FormulaSignal observed: $1.67.
Do Transparent Labs BULK and Transparent Labs Lean contain creatine?
Transparent Labs BULK: none declared on its complete label. Transparent Labs Lean Pre-Workout: none declared on its complete label.
Do they contain beta-alanine?
Transparent Labs BULK: Beta-Alanine (4000 mg). Transparent Labs Lean Pre-Workout: Beta-Alanine (2000 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
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Lists that include both
- The cheapest pre-workouts per servingTransparent Labs BULK #49, Transparent Labs Lean #50
- Pre-workouts with no proprietary blendTransparent Labs BULK #10, Transparent Labs Lean #56
- Clinically dosed pre-workouts, checked against the researchTransparent Labs BULK #10, Transparent Labs Lean #59
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.