Transparent Labs Stim-Free Caffeine Free Pre-Workout

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Common questions

Is Transparent Labs Stim-Free Caffeine Free Pre-Workout healthy?

Transparent Labs Stim-Free Caffeine Free Pre-Workout scores 71/100 on Scout's independent analysis of ingredients, additives, and lab results — a fair-to-good score — solid, with tradeoffs. This pre-workout supplement features beneficial ingredients like citrulline malate, beta-alanine, and betaine anhydrous, which support exercise performance and endurance.

How processed is Transparent Labs Stim-Free Caffeine Free Pre-Workout?

Transparent Labs Stim-Free Caffeine Free Pre-Workout is NOVA Group 4: Ultra-Processed Foods.

Which ingredients drive Transparent Labs Stim-Free Caffeine Free Pre-Workout's score?

In Scout's ingredient-by-ingredient analysis, Potassium, Citrulline Malate, Beta-Alanine count in its favor; Natural Flavors is flagged as an ingredient of concern. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

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Transparent Labs Stim-Free Caffeine Free Pre-Workout

Transparent Labs
71 Good

Analysis updated August 2026 · How Scout scores

$49.99 · 30 servings · $2.33 / ounce
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At a glance

Beneficial ingredients 11
Harmful ingredients 1
Owned by Nutra Holdings
Category Energy Pre Workout
Summary

This pre-workout supplement features beneficial ingredients like citrulline malate, beta-alanine, and betaine anhydrous, which support exercise performance and endurance. It avoids artificial sweeteners and dyes, using stevia and beet root powder instead, which is a positive aspect. However, the presence of 'natural flavors' without full transparency and the use of multiple additives slightly detract from its overall formulation quality.

Key ingredients 19

Potassium
Good

Potassium is a vital electrolyte that supports heart and muscle function. It is provided as potassium chloride, a common and effective form. Helps counteract the effects of sodium and supports cardiovascular health.

Risks

Excessive potassium intake can lead to hyperkalemia, which affects heart function.

Benefits

Supports cardiovascular health and muscle function, and helps maintain electrolyte balance.

See more about Potassium →
Citrulline Malate
Good

Citrulline malate is known to enhance blood flow and improve exercise performance. It is a combination of citrulline and malic acid, both beneficial for energy production. It is well-regarded for reducing muscle fatigue and improving endurance.

Benefits

Improves blood flow, reduces muscle fatigue, and enhances exercise performance.

Beta-Alanine
Good

Beta-alanine is an amino acid that helps buffer acid in muscles, improving endurance. It is commonly used in pre-workouts for its performance-enhancing effects. May cause a harmless tingling sensation known as paresthesia.

Risks

May cause a harmless tingling sensation known as paresthesia.

Benefits

Improves muscular endurance and reduces fatigue during high-intensity exercise.

See more about Beta-Alanine →
Betaine Anhydrous
Good

Betaine anhydrous supports muscle strength and power output. It is derived from natural sources like beets and is known for its role in methylation processes. It may also support liver health and cellular hydration.

Benefits

Enhances muscle strength, power output, and supports liver health.

See more about Betaine Anhydrous →
Taurine
Good

Taurine is an amino acid that supports cardiovascular health and muscle function. It is naturally occurring and often included in energy and sports supplements. It helps with electrolyte balance and reduces oxidative stress.

Benefits

Supports cardiovascular health, muscle function, and reduces oxidative stress.

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L-Tyrosine
Good

L-Tyrosine is an amino acid that supports cognitive function and stress response. It is a precursor to neurotransmitters like dopamine and norepinephrine. It is beneficial for mental performance under stress.

Benefits

Enhances cognitive function and stress response, supporting mental performance.

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ElevATP
Good

ElevATP is a natural combination of ancient peat and apple extract that supports ATP production. It is known to enhance energy and performance without stimulants. It is beneficial for increasing cellular energy levels.

Benefits

Enhances ATP production, increasing energy and performance naturally.

Senactiv
Good

Senactiv is a blend of Panax notoginseng and Rosa roxburghii that supports energy production and recovery. It is known for its anti-inflammatory and antioxidant properties. It helps improve muscle recovery and endurance.

Benefits

Supports energy production, recovery, and has anti-inflammatory properties.

Bioperine
Good

Bioperine is a black pepper extract that enhances nutrient absorption. It is commonly used to increase the bioavailability of other ingredients. It is beneficial for improving the effectiveness of supplements.

Benefits

Enhances nutrient absorption and bioavailability of other ingredients.

Huperzine A
Good

Huperzine A is a compound that supports cognitive function and memory. It is derived from the Chinese club moss and is known for its neuroprotective effects. It is beneficial for enhancing mental clarity and focus.

Benefits

Supports cognitive function, memory, and enhances mental clarity.

Beet Root Powder
Good

Beet root powder is used for natural coloring and is rich in nitrates. It supports blood flow and cardiovascular health. It is a natural source of antioxidants and nutrients.

Benefits

Supports blood flow and provides antioxidants and nutrients.

Total Carbohydrate
Neutral

Total carbohydrates provide energy but are not a significant source of nutrients in this context. They are included primarily as a filler or for texture. No significant health risks identified for this ingredient.

Benefits

Provides a source of energy, though minimal in this formulation.

Sodium
Neutral

Sodium is an essential electrolyte that helps maintain fluid balance and nerve function. It is derived from Himalayan rock salt, which is a natural source. Excessive intake can lead to hypertension and cardiovascular issues.

Risks

Excessive sodium intake can lead to high blood pressure and cardiovascular diseases.

Benefits

Essential for maintaining fluid balance and proper nerve and muscle function.

See more about Sodium →
Silicon Dioxide
Neutral

Silicon dioxide is used as an anti-caking agent to prevent clumping. It is generally recognized as safe and is commonly used in supplements. No significant health risks identified for this ingredient.

Benefits

Prevents clumping and ensures even distribution of ingredients.

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Calcium Silicate
Neutral

Calcium silicate is used as an anti-caking agent and is generally recognized as safe. It helps maintain the free-flowing nature of powdered products. No significant health risks identified for this ingredient.

Benefits

Prevents clumping and maintains product consistency.

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Citric Acid
Neutral

Citric acid is used as a preservative and flavor enhancer. It is naturally found in citrus fruits and is widely used in food products. No significant health risks identified for this ingredient.

Benefits

Enhances flavor and acts as a preservative.

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Stevia Extract
Neutral

Stevia extract is a natural sweetener derived from the stevia plant. It provides sweetness without calories and is considered safe for consumption. No significant health risks identified for this ingredient.

Benefits

Provides sweetness without adding calories.

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Rebaudioside M
Neutral

Rebaudioside M is a component of stevia extract that provides sweetness. It is a zero-calorie sweetener and is considered safe for consumption. No significant health risks identified for this ingredient.

Benefits

Provides sweetness without adding calories.

Natural Flavors
Bad

Natural flavors are often used to enhance taste but lack transparency in their composition. They can contain a variety of compounds, some of which may not be beneficial. The lack of disclosure can be concerning for those with allergies or sensitivities.

Risks

Potential allergens or sensitivities due to undisclosed compounds.

See more about Natural Flavors →

Processing

Group 4 · Ultra-processed

Ultra-Processed Foods

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