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Home » Supplement Reviews » Pre Workout Reviews » Bulk vs Lean Pre-Workout Comparison [Tested]

Bulk vs Lean Pre-Workout Comparison [Tested]

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By Kyle Risley
Last updated November 5, 2022


As an affiliate of various sites, including Amazon Associates, I may earn a commission on qualifying purchases via links in this post at no extra cost to you. See Full Disclosure

We’re thrilled to say you’ve already made a wise choice when choosing a nutritional supplement from Transparent Labs!

Transparent Labs Bulk and Lean are both great pre-workouts, with Bulk formulated to promote muscle growth and increase natural testosterone, while Lean is designed to enhance fat loss and support thyroid health.

In this Transparent Labs Bulk vs Lean review, we break down the key differences and pros and cons of each to help you find the best pre-workout for your fitness goals.

Muscle Growth Support
BULK Pre Workout - Transparent Labs
Weight Loss Support
Lean Pre Workout - Transparent Labs
Bulk Pre Workout – Transparent Labs
Lean Pre Workout - Transparent Labs
Caffeine:
202 mg
Caffeine:
210 mg
Citrulline Malate 2:1:
8,000 mg
Citrulline Malate 2:1:
6,000 mg
Beta-Alanine:
4,000 mg
Beta-Alanine:
2,000 mg
Servings:
30
Servings:
30
Pros:
  • 4g BCAAs
  • May support muscle growth
  • 3rd party tested
Pros:
  • 2.5g BCAAS
  • May support weight loss
  • 3rd party tested
Discount code:
LV10 (10% off Transparent Labs)
Discount code:
LV10 (10% off Transparent Labs)
Shop Transparent Labs
Shop Transparent Labs
Muscle Growth Support
BULK Pre Workout - Transparent Labs
Bulk Pre Workout – Transparent Labs
Caffeine:
202 mg
Citrulline Malate 2:1:
8,000 mg
Beta-Alanine:
4,000 mg
Servings:
30
Pros:
  • 4g BCAAs
  • May support muscle growth
  • 3rd party tested
Discount code:
LV10 (10% off Transparent Labs)
Shop Transparent Labs
Weight Loss Support
Lean Pre Workout - Transparent Labs
Lean Pre Workout - Transparent Labs
Caffeine:
210 mg
Citrulline Malate 2:1:
6,000 mg
Beta-Alanine:
2,000 mg
Servings:
30
Pros:
  • 2.5g BCAAS
  • May support weight loss
  • 3rd party tested
Discount code:
LV10 (10% off Transparent Labs)
Shop Transparent Labs

Table of Contents

  • 1 Key Differences Between Bulk and Lean
    • 1.1 Which pre-workout is better overall?
    • 1.2 Which pre-workout is better for energy?
    • 1.3 Which pre-workout is better for pumps?
    • 1.4 Which pre-workout is better for beginners?
  • 2 Product Overviews
    • 2.1 Bulk Pre-Workout Overview
    • 2.2 Lean Pre-Workout Overview
  • 3 Conclusion
    • 3.1 Use Bulk Pre-Workout if:
    • 3.2 Use Lean Pre-Workout if:

Key Differences Between Bulk and Lean

Transparent Labs’ PreSeries Bulk and Lean share many similarities, but their key differences lie in their ingredients, dosages and overall purpose.

Transparent Labs Bulk focuses on large gains-driven ingredient quantities, while Transparent Labs Lean focuses on a wider formulation geared toward weight loss and lean muscle growth.

Transparent Labs Bulk has more beta-alanine (4,000 mg compared to 2 g in Lean), more BCAAs (4,000 mg to 2,500 mg in Lean), and more betaine HCL (2,500 mg to 1,000 mg in Lean).

Bulk also packs ingredients not found in Lean, including 1,000 mg of tyrosine for reduced stress during exercise. However, Lean has carnitine, often used as a weight loss compound, which isn’t found in Bulk.

Which pre-workout is better overall?

Both Transparent Labs Bulk and Lean are good pre-workout supplements, but the benefits of Bulk are more closely related to training in the gym, offering significant strength, endurance, and post-workout recovery benefits.

Which pre-workout is better for energy?

Both are equal in terms of energy, offering 360 mg of caffeine each.

Which pre-workout is better for pumps?

Both pre-workouts excel in the pump department. Transparent Labs Bulk might be a bit better as it hits the clinical dose of 2.5 mg of betaine.

Which pre-workout is better for beginners?

Which is the better pre-workout will mainly depend on your goals, but both are great pre-workouts for beginners.

Product Overviews

Bulk Pre-Workout Overview

Supports Muscle Growth
BULK Pre Workout - Transparent Labs
BULK Pre Workout - Transparent Labs

With just over 200 mg of caffeine, BCAAs, Vitamin D3, and Zinc, BULK is a great choice if you're looking for a normal amount of caffeine + extra nutritional support.

Caffeine: 202 mg
Recommended for: Beginners, tested athletes, daily driver pre-workout
Shop Transparent Labs
Lift Vault earns a commission if you click this link and make a purchase at no extra cost to you.

Bulk is one of Transparent Labs’ most popular pre-workout supplements, designed for those wanting to lift hard in the gym and build muscle. It’s a performance booster that delivers a dense formula with over 20 g of clinically dosed ingredients.

The 6,000 mg of citrulline malate (2:1) and 4,000 mg of beta-alanine increase blood flow and reduce lactic acid build-up. The high dose of BCAAs (4,000 mg) found in Bulk helps support muscle growth and protects against damage. You can also find a solid clinical dose of 2.5 g of betaine.

For energy and alertness, you’ve got 180 mg of caffeine and 50 mg of theobromine, as well as 360 mg of theanine and 1,000 mg of tyrosine.

Transparent Labs Bulk Pre-Workout tops this all off with 300 mg of AlphaSize Alpha GPC, forming a well-rounded and packed pre-workout perfect for anyone looking to enhance their workout performance.

Pros:

  • Supports better muscle growth
  • Excellent combination of ingredients for muscle building
  • Effective anti-fatigue benefits

Cons:

  • Premium price tag may not suit everyone

Lean Pre-Workout Overview

Supports Weight Loss
Lean Pre Workout - Transparent Labs
Lean Pre Workout - Transparent Labs
4.3

Lean Pre-Workout is a great choice for those seeking all-around nutrition support and a little extra fat-burning help. It's a well-rounded pre-workout that can be good choice for lots of different use cases.

Discount Codes:

LV10 = 10% off your entire order

Caffeine: 210 mg
Citrulline Malate 2:1: 6,000 mg
Sweetener(s): Stevia Extract
BCAA 2:1:1: 2,500 mg
Shop Transparent Labs
Lift Vault earns a commission if you click this link and make a purchase at no extra cost to you.

At the other end of the spectrum is Transparent Labs Lean Pre-Workout, which contains many of the same ingredients as Bulk Pre-Workout. The main difference is that Lean combines ingredients that support fat loss while enhancing workout performance and endurance.

It’s a solid pre-workout that offers a comprehensive endurance and thyroid support complex with 6 g of citrulline malate, 2 g of beta-alanine, 2.5 g of BCAAs and 1.5 g of betaine.

Additionally, like all of Transparent Labs supplements, Lean is incredibly well-dosed, third-party tested and contains no artificial ingredients.

You’re getting a pre-workout to help you keep toned, build lean muscle, promote fat loss, and stay focused as you move toward your fitness goals.

Pros:

  • Exceptional clean energy blend
  • Contains good dose of thermogenic ingredients
  • Solid, excellent boost

Cons:

  • Premium price tag may not suit everyone
  • Benefits are indirect for fat-loss

Conclusion

When it comes to deciding on Transparent Labs Bulk Pre-Workout vs Lean Pre-Workout, you’ll want to consider your preferences and goals.

Use Bulk Pre-Workout if:

  • You want to build more muscle mass and bulk up.
  • You want a pre-workout supplement with more beta-alanine.

Use Lean Pre-Workout if:

  • You want to increase lean body mass and enhance weight loss.
  • You want a premium pre-workout that provides thyroid support.
Avatar

About Kyle Risley

Kyle Risley founded Lift Vault in 2016 to make finding great powerlifting programs easier. Since then, the site has grown to include hundreds of programs for strength, bodybuilding, Olympic weightlifting, and more. He currently lives in Massachusetts and continues to compete in powerlifting.

Filed Under: Pre Workout Reviews, Supplement Reviews




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