The 6 Best Low caffeine pre-workouts in 2023

Hey there, fellow fitness enthusiasts! It’s 2023, and if you’re on the hunt for the best low caffeine pre workouts that won’t send your caffeine tolerance through the roof, you’ve landed in the right place. I get it – not everyone is looking for that heart-pounding, caffeine-fueled kickstart to their workouts. Sometimes, you prefer a more balanced and mellow approach.

Whether your sensitive to caffeine, want to enjoy your workouts without the jitters, or simply prefer to keep your caffeine intake in check, I’ve got your back. In this guide, I’ll walk you through the top six low-caffeine pre-workouts of 2023, designed to give you the right amount of kick without the caffeine overload.

Top 6 Best Low Caffeine Pre-Workouts

  1. Transparent Labs Stim-Free
  2. Genius PRE
  3. C4 SuperSport
  4. Amino Lean Pre Workout Powder
  5. Vega Sport Pre-Workout
  6. Red Leaf Pre Workout

1. Transparent Labs Stim-Free: Top Pick

Top Pick
best low caffeine pre workouts

Transparent Labs Stim-Free

Transparent Labs Stim-Free Pre-Workout is a caffeine-free powder that delivers a jitter-free experience. It’s loaded with BCAAs, citrulline malate, beta-alanine, L-tyrosine, taurine, and elevATP to enhance muscle performance.

Caffeine: 0mg

Product Pros

  • Trustworthy brand
  • A lot of flavours
  • Formulated with no artificial colours, sweeteners, or preservatives

Product Cons

  • High serving size compared to other pre workouts
  • High dose of Beta-Alanine may cause adverse side effects such as itching

Our top choice among low-caffeine pre-workouts is Transparent Labs’ Stim-Free Performance Formula.

Established back in 2015, Transparent Labs has swiftly risen to prominence as one of the most reputable and trusted supplement companies in the industry. Their success is rooted in their unwavering commitment to producing top-tier products while maintaining complete transparency with their customers regarding product ingredients.

This stimulant-free pre-workout is, without a doubt, the most comprehensive option available on the market. It skillfully combines BCAA, Beta-Alanine, Citrulline Malate, and a host of other ingredients, all at effective dosages. What’s remarkable is that Transparent Labs’ product demonstrates that you can achieve an outstanding pre-workout experience without the need for caffeine. Moreover, the supplement offers a diverse range of flavors, all carefully crafted without any artificial sweeteners, coloring, or preservatives.

If you’re in search of a pre-workout that includes caffeine, Transparent Labs offers the Bulk and Cut formulas, both of which are excellent choices. These supplements share a similar formula with the Stim-Free option but include 200mg of caffeine per serving. While they might not be categorized as “low-caffeine pre-workouts,” they still offer a more moderate caffeine dose compared to some other supplements on the market.

2. Genius PRE: Runner Up

Runner Up
One of the best low caffeine pre workouts

Genius PRE


The Genius Brand Genius Pre is a unique stimulant-free pre-workout infused with nootropics, designed to boost your focus and workout performance. While it has received excellent reviews, some customers have suggested offering larger containers with more than 20 servings to reduce the need for frequent purchases.

Caffeine: 0mg

Product Pros

  • No artificial flavours, and sweeteners, and filler ingredients
  • High doses of its proprietary blends (AlphaSize, elevATP, CarnoSyn, & AstraGin)

Product Cons

  • Very high price per serving
  • Only available in 20 serving containers

Coming in as our runner-up for the best pre-workout tailored for caffeine-sensitive individuals is Genius Pre Workout Powder.

Founded in 2018, Genius is a brand dedicated to crafting products that not only enhance physical performance but also sharpen mental acuity. This pre-workout is nootropic-based, meaning it’s engineered to boost both focus and energy levels.

Loaded with familiar pre-workout ingredients like Beta-Alanine, L-Tyrosine, and ElevATP, it also incorporates nootropic elements such as Rhodiola Rosea, Huperzia Serrate, and Astragin, all aimed at enhancing focus. This combination provides a well-rounded supplement that offers both energy and mental clarity for your gym sessions.

While it may not provide the same level of pure stimulation as some of the other options on our list due to its caffeine-free nature, Genius Pre-Workout Powder remains an excellent choice for an all-encompassing pre-workout experience.

3. C4 SuperSport

One of the 6 best low caffeine pre workouts

C4 SuperSport

Trusted since 2011, Cellucor’s iconic formula combines performance-enhancing ingredients with a manageable 150mg of caffeine to give you this amazing pre-workout.

Caffeine: 135mg

Product Pros

  • Different electrolytes promote hydration
  • Good source of B vitamins

Product Cons

  • Label is not clear about ingredients and doses
  • Stimulation may be too strong for some


Taking the third spot on our list for the best low-caffeine pre-workout is C4’s Sport Pre Workout. Established by Cellucor back in 2011, C4 swiftly rose to prominence as one of the most renowned brands in the pre-workout market. Their current C4 Sport formula stands out as a comprehensive and highly effective supplement in the pre-workout realm.

This achievement can be attributed to a combination of the C4 Sport Performance Blend and the C4 Sport Energy Blend. The Performance Blend packs a robust mix of ingredients, including Beta-Alanine, Creatine, and various electrolytes to aid in hydration. The Energy Blend includes components like taurine and a reasonable 150mg of caffeine. While not entirely caffeine-free, this pre-workout offers a moderate caffeine dosage that’s unlikely to result in significant side effects.

However, one drawback is that C4 lists ingredients in these two blends, making it unclear how much of each ingredient you’re getting. For instance, knowing the precise creatine content can be essential, especially if you’re already supplementing with creatine. Consequently, assessing the optimality of C4’s dosages can be challenging due to this lack of transparency.

4. Amino Lean Pre-Workout Powder

Amino Lean Pre-Workout Powder

Founded in 2009, it’s a great low-stim pre-workout. Similar to C4 Sport in caffeine levels and blends, ingredient amounts are not clearly stated. AminoLean emphasizes weight management with ingredients like L-Carnitine and Green Tea Extract.

Caffeine: 125mg

Product Pros

  • Specifically designed for weight management if this is your goal
  • A lot of flavours to choose from
  • Unique approach to pre workout focusing on Amino Acids

Product Cons

  • Unclear doses of most ingredients
  • Weight management formula won’t align with everyone’s goals

AminoLean’s Pre Workout Powder is another excellent choice for a low-stim pre-workout. Established in 2009, AminoLean has amassed a reputable presence in the pre-workout domain over the years. In essence, AminoLean bears strong similarities to C4 Sport for several reasons.

Much like C4, it boasts a caffeine content on par and categorizes its ingredients into distinct blends, including the Amino Acid Blend, Weight Management Blend, and Energy and Focus Blend. This blend categorization does, however, present a challenge in determining the precise ingredient proportions in each pre-workout serving.

What truly sets AminoLean apart from other pre-workouts is its positioning as a dietary and weight management supplement. This distinction primarily arises from its Weight Management Blend, which incorporates elements such as L-Carnitine and Green Tea Extract. Ultimately, the effectiveness of this supplement for weight loss can vary from person to person.

5. Vega Sport Pre-Workout

Vega Sport Pre-Workout

Vega Sport’s Sugar-Free Pre-Workout Energizer: A top choice for low-stim pre-workout by Vega, a leading vegan brand since 2001. It offers caffeine and essential electrolytes—an ideal quick energy boost before workouts.

Caffeine: 100mg

Product Pros

  • 0g of sugar in each serving
  • Completely vegan company
  • Solid, mid-range dose of caffeine

Product Cons

  • Not a lot of flavours

Vega Sport’s Sugar-Free Pre Workout Energizer is another excellent choice in the low-stimulant pre-workout category. Vega, a pioneer in vegan supplements since 2001, is a well-known brand for vegans and vegetarians seeking products aligned with their values.

While Vega’s pre-workout lacks typical ingredients like Beta-Alanine, creatine, and L-Tyrosine, it focuses on caffeine sourced from Coffee Berry and Green Tea Leaf extract, along with essential electrolytes such as Magnesium, Sodium, and Potassium. This gives it a profile more akin to an energy drink than a traditional pre-workout. However, if you’re in search of a straightforward beverage for a moderate caffeine boost and added electrolytes before your workout, it remains an excellent choice.

6. Red Leaf Pre-Workout

Red Leaf Pre-Workout

Red Leaf’s Pre-Workout Energizer Powder, founded in 2018, offers a lower-caffeine pre-workout option with 40mg of caffeine per serving. It includes Beta-Alanine and BCAAs for a balanced energy boost.

Product Pros

  • Company that is focussed primarily on this product
  • Mild dose of caffeine
  • Flavoured with natural fruit juices

Product Cons

  • High price tag per serving considering the ingredients
  • Ingredient profile could be more complete with ingredients like creatine and L-Tyrosine

Last on the list is Red Leaf’s Pre-Workout Energizer Powder, offering an excellent option for those seeking a lower caffeine pre-workout.

Founded in 2018, Red Leaf is a relatively new brand in the market, with their pre-workout product being a standout offering. This focus on their flagship product highlights their confidence in its effectiveness. While they also offer products like collagen peptides, recovery balm, and an immunity support supplement..

Red Leaf’s pre-workout is straightforward yet potent. With only 40mg of caffeine per serving, it provides a gentle energy boost, making it one of the lowest caffeine options on our list. It strikes the right balance, offering a mild stimulant effect similar to a cup of coffee, without overwhelming stimulation.

The supplement includes essential pre-workout ingredients, emphasizing Beta-Alanine and BCAAs. With 1g of Beta-Alanine per serving, it delivers an effective dose without the intensity of some pre-workouts with much higher amounts.

How to Choose the Best Low Caffeine Pre-Workouts?

Stimulation Level:

The right pre-workout caffeine level varies by personal preference. Our list offers options ranging from 0mg to 135mg per serving, so choose what suits your needs best.

Taste and Flavour:

Pre-workout flavours differ, and some mix better than others. Experiment with various options to find your favourite.

Nutrition Label Transparency:

Understanding ingredient composition is crucial. Look for supplements with clear nutrition labels, showing ingredient doses and no unnecessary fillers.

Value for Money:

Ensure you get the most value from each serving. Calculate the cost per serving by dividing the container price by the number of servings. Consider ingredient doses when evaluating value.

Tips for Using the Best Low Caffeine Pre-Workouts

When to take pre-workout?

Timing matters for optimal results, take your low-caffeine pre-workout approximately 15 to 30 minutes before your workout. While some may prefer sipping it throughout a longer session, this is best suited for extended workouts. If your pre-workout contains caffeine, be mindful of the time of day to avoid disrupting your sleep schedule.

What to mix your pre-workout with?

Most pre-workouts are designed to be mixed with water due to their strong flavours. However, you can also blend them with juice or incorporate them into a smoothie. This is recommended primarily for mild or unflavoured pre-workouts, as the taste may be less enjoyable otherwise.”

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