Best Flavors For Transparent Labs Bulk: Our Top Picks

by Nader Qudimat
Updated July 1, 2023

Pre-workout flavor can be just as important as function.

After all, you're more likely to stick with a pre-workout routine if you enjoy the taste of your supplement.

That's where Transparent Labs shines.

With a range of delicious flavors and scientifically-backed ingredients, their pre-workouts are designed to make your fitness journey effective and enjoyable.

In this review, we'll explore the best flavors of Transparent Labs Bulk.

We'll also break down the best flavors for Lean, Stim-Free, and Bulk Black pre-workouts and delve into the benefits of their key ingredients.

Best Flavors For Transparent Labs Bulk

Our top picks for the best Transparent Labs Bulk Pre-Workout flavors are Blue Raspberry, Tropical Punch, and Peach Mango. These flavors offer a perfect balance of sweetness and tanginess, making your pre-workout routine something to look forward to.

The All-Natural Sweetness of Transparent Labs Pre-Workouts

With pre-workout supplements, flavor is a major factor in the overall experience.

After all, no one wants to dread their pre-workout drink.

Transparent Labs understands this, which is why they've put a lot of effort into creating flavors that are not only delicious but also natural.

My Top Picks for Transparent Labs Pre-Workout Flavors

Here are my favorite flavors, starting with Transparent Labs Bulk...

Bulk Pre-Workout

  1. Blue Raspberry: This flavor is a classic favorite for users and us. It's refreshing, slightly tart, and perfectly sweet, making it an excellent choice for a pre-workout drink.

  2. Tropical Punch: If you're a fan of fruity flavors, Tropical Punch is a must-try. It's a delightful mix of tropical fruits and makes you forget it's a naturally flavored pre-workout. 

  3. Peach Mango: This flavor is a unique blend of peach and mango, offering a sweet and slightly tangy taste that's refreshing but not too sweet.

PreSeries Bulk Pre-Workout by Transparent Labs

Containing over 20g per serving, Bulk contains complete doses of ergogenic aids and a range of nootropics and stimulants to help enhance energy.

  • Smooth energy and focus
  • No crash
  • Reliable and time-tested
Ingredients: 8g Citrulline Malate, 4g Beta Alanine, 2.5g BetaPure, 1.3g Taurine, 1g Tyrosine, 300mg Alpha GPC, 200mg L-Theanine, 50mg Senactiv, 5mg Bioperine, 3000mcg Boron Citrate
Stimulants: 200mg PurCaffeine, 50mg Theobromine
Discount code: FITFREK
FitFrek earns a commission if you click this link and make a purchase, at no additional cost to you.

Stim-Free Bulk Pre-Workout

  1. Peach Mango: The Peach Mango flavor is also available in the Stim-Free Bulk Pre-Workout. It's a great option if you want a caffeine-free pre-workout but still crave a sweet and fruity flavor.

  2. Blue Raspberry: Like in the Bulk Pre-Workout, the Blue Raspberry flavor is a hit in the Stim-Free version. It's a perfect balance of sweet and tart.

  3. Strawberry Lemonade: This flavor is a refreshing mix of sweet strawberries and tangy lemonade. It's a great choice if you want something different from the usual pre-workout flavors.

You can find our review on Stim-Free here.

PreSeries STIM-FREE Pre-Workout by Transparent Labs

Stim-free is naturally sweetened with Stevia while still using highly effective ingredients to boost mental and physical performance in the gym.

  • Improves ATP production
  • Enhances focus without stimulants
  • Properly dosed formula
Ingredients: 6g Citrulline Malate, 4g Beta-Alanine, 4g BCAA, 2.5g Betaine Anhydrous, 1.3g Taurine, 1g Tyrosine, 500mg Choline Bitratrate, 150mg elevATP, 5mg BioPerine, 50mcg Huperzine A
FitFrek earns a commission if you click this link and make a purchase, at no additional cost to you.

Lean Pre-Workout

  1. Tropical Punch: The Tropical Punch flavor in the Lean Pre-Workout is just as delicious as in the Bulk version. It's a great way to enjoy a fruity pre-workout drink while focusing on lean muscle development.

  2. Blue Raspberry: Again, the Blue Raspberry flavor is a favorite among Transparent Labs users and for us. It's a reliable choice that never disappoints.

  3. Strawberry Lemonade: The Strawberry Lemonade flavor offers a refreshing twist to your pre-workout routine. It's a perfect blend of sweet and tangy, making your pre-workout drink something to look forward to.

Our full review on Lean Pre-Workout.

Fat Burning Pre Workout
PreSeries LEAN Pre-Workout by Transparent Labs

Lean is designed to support weight loss from multiple angles, including improving insulin sensitivity and glucose metabolism.

Ingredients: 6g Citrulline Malate, 2g Beta Alanine, 1.5g Betaine Anhydrous, 1g Acetyl L-Carnitine HCl, 500mg Choline Bitartrate, 180mg Theanine, 5mg BioPerine, 100mcg Huperzine
Stimulants: 180mg Organic Caffeine, 50mg Theobromine, 40mg Infinergy Caffeine
  • Increases thermogenesis
  • Improves glucose metabolism
  • Increases fat metabolism for energy
Discount code: FITFREK
FitFrek earns a commission if you click this link and make a purchase, at no additional cost to you.

Bulk Black Pre-Workout

  1. Cherry Kiwi: The Cherry Kiwi Flavor is so good, that it's hard to believe that it's naturally flavored. It's our top pick for Bulk Black

  2. Peach Mango: Of course this is as good as the flavor in Transparent Labs Bulk. It's not too sweet, just perfect. 

Read our review on Bulk Black here.

Bulk Black by Transparent Labs

If you want a daily driver pre workout with 300mg caffeine, featuring a fully transparent and legit label, then consider this limited edition pre workout from Transparent Labs, Bulk Black.

  • Long lasting energy
  • Two forms of caffeine
  • Increases focus and mental functions
Ingredients: 8g Citrulline malate, 4g Beta Alanine, 2.5g Betaine Anhydrous, 1.3g Taurine, 1g Tyrosine, 300mg AlphaSize, 200mg Theanine, 50mg Astragin, 3mg Boron Citrate
Stimulants: 275mg Caffeine, 50mg Theobromine, 30mg DiCaffeine Malate
Discount code: FITFREK
FitFrek earns a commission if you click this link and make a purchase, at no additional cost to you.

The Benefits of Naturally Sweetened Products

Transparent Labs pre-workouts are naturally sweetened, meaning they don't contain artificial sweeteners or coloring.

This is a significant advantage for health-conscious individuals who want to avoid artificial additives in their diet.

Natural sweeteners are derived from natural sources and have a high nutritional value.

They contain healthy compounds that offset the negative effects of refined sugar. 

In contrast, refined sugar is associated with various health issues, including a high risk of dental caries, overweight, and neurodevelopmental disorders in children.

Research shows that natural sweeteners can positively impact health, including improved blood sugar control and a reduced risk of heart disease.

The Dangers of Artificial Sweeteners

While artificial sweeteners may seem like a good alternative to sugar due to their zero-calorie content, they are not without risks.

Some studies have shown that artificial sweeteners can stimulate the horizontal transfer of antibiotic-resistance genes through natural transformation.

This means they could potentially contribute to the global threat of antimicrobial resistance.

In addition, artificial sweeteners can increase cell envelope permeability and result in an upregulation of genes encoding DNA uptake and translocation machinery.

These effects could have implications for gut health and overall wellbeing.

In conclusion, choosing pre-workout supplements like those from Transparent Labs that use natural sweeteners is a healthier option.

Not only do you get to enjoy delicious flavors, but you also avoid the potential risks associated with artificial sweeteners.

Here are the common artificial sweeteners and their risks...


Sucralose is a widely used artificial sweetener.

It's known for its zero-calorie content and its ability to withstand heat, making it suitable for cooking and baking.

However, research has shown that it can have some side effects.

According to a study, sucralose can alter the gut microbiota, potentially leading to inflammation and other digestive issues. It's also been linked to an increased risk of developing type 2 diabetes.


Aspartame is another popular artificial sweetener, often found in diet sodas and low-calorie foods.

While it's generally considered safe, some studies have suggested potential side effects.

A study found that aspartame could potentially lead to oxidative stress and inflammation in the brain. It's also been suggested that aspartame might contribute to headaches in some individuals.


Saccharin is one of the oldest artificial sweeteners and is often used in tabletop sweeteners, diet drinks, and low-calorie foods.

While it was once linked to cancer in rats, further research has shown that this effect does not apply to humans.

However, some people may experience allergic reactions to saccharin, including headaches, breathing difficulties, skin eruptions, and diarrhea.

Ingredients in Transparent Labs Pre-Workouts

Let's start with Bulk and explain how each ingredient helps. 

Bulk Pre-Workout

Bulk pre-workout is a powerful supplement designed to enhance your workout performance.

It contains a blend of ingredients that work together to increase energy, improve focus, and boost muscle endurance.

The key ingredients include Citrulline Malate (8g) which helps improve blood flow and reduce muscle soreness, Beta Alanine (4g) known for its ability to delay muscle fatigue, and BetaPure (2.5g) which enhances muscle power during workouts. It also contains Taurine (1.3g) for better hydration and Tyrosine (1g) for improved focus.

The stimulants in this pre-workout are PurCaffeine (200mg) and Theobromine (50mg), providing a sustained energy boost.


  • Citrulline Malate (8g)
  • Beta Alanine (4g)
  • BetaPure (2.5g)
  • Taurine (1.3g)
  • Tyrosine (1g)
  • Alpha GPC (300mg)
  • L-Theanine (200mg)
  • Senactiv (50mg)
  • Bioperine (5mg)
  • Boron Citrate (3000mcg)
  • PurCaffeine (200mg)
  • Theobromine (50mg)

Bulk Black Pre-Workout

Bulk Black pre-workout is a more potent version of the original Bulk pre-workout.

It contains a similar blend of ingredients but with a few key differences.

The Betaine Anhydrous (2.5g) in this formula is known for its muscle-building properties, and AlphaSize (300mg) is included for its cognitive-enhancing effects.

The stimulants in this pre-workout are Caffeine (275mg), Theobromine (50mg), and DiCaffeine Malate (30mg) which provide a powerful and sustained energy boost.


  • Citrulline Malate (8g)
  • Beta Alanine (4g)
  • Betaine Anhydrous (2.5g)
  • Taurine (1.3g)
  • Tyrosine (1g)
  • AlphaSize (300mg)
  • Theanine (200mg)
  • Astragin (50mg)
  • Boron Citrate (3mg)
  • Caffeine (275mg)
  • Theobromine (50mg)
  • DiCaffeine Malate (30mg)

What makes Transparent Labs pre-workouts stand out? Transparent Labs pre-workouts are known for their natural ingredients and absence of artificial sweeteners and coloring. They are designed to enhance your workout performance and promote muscle growth.

What are the best flavors for Transparent Labs Bulk pre-workout? The top flavors for Transparent Labs Bulk pre-workout are Blue Raspberry, Tropical Punch, and Peach Mango. These flavors are well-liked for their refreshing and enjoyable taste.

Are there other flavors available for other Transparent Labs pre-workouts? Yes, for the Stim-Free pre-workout, the best flavors are Peach Mango, Blue Raspberry, and Strawberry Lemonade. For the Lean pre-workout, the top flavors are Tropical Punch, Blue Raspberry, and Strawberry Lemonade.

What are the key ingredients in Transparent Labs Bulk pre-workout? The Bulk pre-workout includes ingredients like Citrulline Malate, Beta Alanine, BetaPure, Taurine, Tyrosine, Alpha GPC, L-Theanine, Senactiv, Bioperine, Boron Citrate, and stimulants like PurCaffeine and Theobromine.

What are the benefits of natural sweeteners in Transparent Labs pre-workouts? Natural sweeteners are a healthier alternative to artificial sweeteners. They don't have the potential side effects that artificial sweeteners may have, such as headaches, digestive issues, and mood swings.

What are the potential dangers of artificial sweeteners? Artificial sweeteners have been linked to various health issues, including headaches, digestive problems, mood swings, and even an increased risk of certain diseases like diabetes and heart disease.

How should I take Transparent Labs pre-workout? It's recommended to start with a smaller dosage, especially if the formula contains stimulants like caffeine. You can then gradually increase the dosage as your body gets used to it.

Are Transparent Labs pre-workouts third-party tested? Yes, Transparent Labs pre-workouts are third-party tested to ensure their quality and safety.

Is Transparent Labs pre-workout worth it? Transparent Labs pre-workouts are worth considering due to their natural ingredients, variety of flavors, and the benefits they offer for workout performance and muscle growth.

How can I buy Transparent Labs pre-workouts? Transparent Labs pre-workouts can be purchased directly from their official website or online retailers.

What are the top flavor picks for the Transparent Labs Lean Pre-Workout? If you're focusing on lean muscle development, the top picks for the Lean Pre-Workout are Tropical Punch, Blue Raspberry, and Strawberry Lemonade. Each flavor offers a refreshing twist to your pre-workout routine.

I prefer a caffeine-free pre-workout. What flavors would you recommend for the Transparent Labs Stim-Free Pre-Workout? The Stim-Free Bulk Pre-Workout offers great flavors like Peach Mango, Blue Raspberry, and Strawberry Lemonade for those who prefer a caffeine-free pre-workout. Each flavor is refreshing and perfectly sweet, making your caffeine-free pre-workout routine enjoyable.

I'm interested in the Transparent Labs Bulk Black. What flavors are the best? The top picks for the Transparent Labs Bulk Black are Cherry Kiwi and Peach Mango. These flavors are perfect for those who want a refreshing and fruity twist to their pre-workout routine.

Bottom Line

Transparent Labs offers a variety of pre-workout products, including Bulk, Lean, Stim-Free, and Bulk Black.

Each product has a unique blend of ingredients to enhance your workout performance.

Our favorite flavors across these pre-workouts are Strawberry Lemonade, Tropical Punch and Peach Mango, and for Bulk Pre-Workout, we prefer Blue Raspberry and Peach Mango.

Our favorite for Bulk Black is Cherry Kiwi. 

by Nader Qudimat

Forged by iron and cold steel, I'm Nader, a mid-30s natural bodybuilder. Once a 100lb skinny guy, I've transformed into a 200lb muscular athlete with over 15 years of lifting experience. Today, I leverage my transformation and extensive experience to guide countless individuals on their fitness journeys.

Click here to check out my 12 year transformation: Natural 12 Year Transformation

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