PreJym

Common questions

Is PreJym healthy?

PreJym scores 68/100 on Scout's independent analysis of ingredients, additives, and lab results — a fair-to-good score — solid, with tradeoffs. PreJym contains several beneficial ingredients like creatine monohydrate, beta-alanine, and citrulline malate, which are well-regarded for enhancing athletic performance and muscle recovery.

How processed is PreJym?

PreJym is NOVA Group 3: Processed Foods.

Which ingredients drive PreJym's score?

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

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PreJym

68 Fair

Analysis updated August 2026 · How Scout scores

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At a glance

Beneficial ingredients 6
Harmful ingredients 2
Category Creatine
Summary

PreJym contains several beneficial ingredients like creatine monohydrate, beta-alanine, and citrulline malate, which are well-regarded for enhancing athletic performance and muscle recovery. However, the presence of acesulfame, an artificial sweetener, and natural flavors, which lack transparency, slightly detracts from its overall formulation quality. The product's processing level is moderate, with a mix of beneficial and less desirable components.

Key ingredients 15

Creatine Monohydrate
Very Good

Creatine monohydrate is a well-researched supplement known for enhancing strength, power, and muscle recovery. It is a pure form of creatine with no additives, making it highly effective and safe for most users. Its efficacy is supported by numerous studies, making it a staple in sports nutrition.

Benefits

Enhances athletic performance and supports muscle recovery.

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Beta-Alanine
Good

Beta-alanine is an amino acid that helps increase carnosine levels in muscles, which can improve endurance and reduce fatigue. It is commonly used in sports supplements for its performance-enhancing effects. Regular use can lead to improved exercise capacity and reduced muscle fatigue.

Risks

May cause a harmless tingling sensation known as paresthesia.

Benefits

Improves endurance and reduces muscle fatigue.

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Nitrates
Good

Nitrates are compounds that can improve blood flow and enhance exercise performance by increasing nitric oxide levels. They are often derived from natural sources like beetroot. Their use in supplements is supported by evidence showing improved endurance and reduced oxygen cost during exercise.

Risks

High doses may cause gastrointestinal discomfort.

Benefits

Improves blood flow and exercise performance.

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Betaine
Good

Betaine is a compound that supports cellular hydration and may enhance muscle endurance and strength. It is naturally found in foods like beets and spinach. Its inclusion in supplements is based on its potential to improve body composition and performance.

Benefits

Supports muscle endurance and strength.

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Citrulline Malate
Good

Citrulline malate is an amino acid compound that can enhance nitric oxide production, improving blood flow and exercise performance. It is favored in pre-workout supplements for its ability to reduce fatigue and improve endurance. Its benefits are well-documented in sports nutrition research.

Benefits

Enhances blood flow and reduces exercise fatigue.

Taurine
Good

Beneficial ingredient — whole-food or functional value in this product class.

Benefits

Supports cardiovascular health and exercise performance.

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Caffeine
Neutral

Caffeine is a natural stimulant that can enhance focus, alertness, and physical performance. It is widely used in supplements for its ergogenic effects. While beneficial in moderate amounts, excessive intake can lead to negative side effects.

Risks

Excessive consumption may lead to jitteriness, insomnia, and increased heart rate.

Benefits

Enhances focus and physical performance.

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BCAAs
Neutral

Branched-chain amino acids (BCAAs) are essential nutrients that support muscle protein synthesis and reduce muscle breakdown. They are commonly used in sports supplements to aid recovery and muscle growth. While beneficial, their effects are more pronounced in individuals with low dietary protein intake.

Benefits

Supports muscle protein synthesis and recovery.

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Tyrosine
Neutral

Tyrosine is an amino acid that can improve mental performance, particularly under stress. It is used in supplements to enhance focus and cognitive function. Its benefits are most notable in situations of acute stress or sleep deprivation.

Benefits

Enhances mental performance and focus.

N-Acetyl L-Cysteine
Neutral

N-Acetyl L-Cysteine (NAC) is a precursor to glutathione, an important antioxidant in the body. It is used in supplements for its potential to support detoxification and reduce oxidative stress. Its benefits are primarily related to its antioxidant properties.

Benefits

Supports detoxification and reduces oxidative stress.

Alpha GPC
Neutral

Alpha GPC is a choline compound that may enhance cognitive function and support brain health. It is included in supplements for its potential to improve memory and learning. Its effects are more pronounced in individuals with choline deficiency.

Benefits

Enhances cognitive function and brain health.

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Citric Acid
Neutral

Citric acid is a natural preservative and flavor enhancer commonly used in food and supplements. It is generally recognized as safe and has no significant health concerns. Its primary role is to improve taste and stability of the product.

Benefits

Improves taste and stability of the product.

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Calcium Silicate
Neutral

Calcium silicate is an anti-caking agent used to prevent clumping in powdered products. It is considered safe for consumption in small amounts. Its primary function is to maintain the free-flowing nature of the product.

Benefits

Prevents clumping and maintains product consistency.

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Natural Flavors
Bad

Natural flavors are a catch-all term for flavoring agents derived from natural sources, but their exact composition is often undisclosed. This lack of transparency can be concerning for consumers seeking to avoid certain additives. While generally recognized as safe, they may contain allergens or other unwanted compounds.

Risks

Potential allergens or unwanted compounds may be present.

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Acesulfame
Bad

Acesulfame is an artificial sweetener used to provide sweetness without calories. It is often criticized for potential health concerns, including effects on metabolism and gut health. While approved for use in many countries, its long-term safety remains debated.

Risks

Potential effects on metabolism and gut health.

Benefits

Provides sweetness without adding calories.

Processing

Group 3 · Processed

Processed Foods

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