Nutricost Pre-X Xtreme Pre-Workout Complex Powder Blue Raspberry 60 Servings Vegetarian Non-GMO and Gluten Free
Analysis updated August 2026 · How Scout scores
At a glance
Summary
This pre-workout supplement contains beneficial ingredients like L-Citrulline Malate, Beta Alanine, and Nitrosigine, which are known to enhance exercise performance and endurance. However, the presence of caffeine anhydrous and the lack of transparency regarding potential artificial additives or sweeteners slightly detract from its overall quality. The formulation is relatively clean, but it could benefit from more transparency and the exclusion of any artificial components.
Key ingredients 12
L-Citrulline MalateGood
L-Citrulline Malate is known for enhancing nitric oxide production, which improves blood flow and exercise performance. It is a combination of L-Citrulline and Malic Acid, both of which contribute to reducing muscle fatigue. This ingredient is often used in pre-workouts for its ability to enhance endurance and recovery.
Benefits
Improves blood flow and reduces muscle fatigue, enhancing exercise performance.
Beta AlanineGood
Beta Alanine is an amino acid that helps to increase carnosine levels in muscles, which can improve endurance and reduce fatigue. It is commonly used in pre-workout supplements for its ability to enhance performance in high-intensity exercise. The tingling sensation it causes is harmless and temporary.
Risks
May cause a harmless tingling sensation known as paresthesia.
Benefits
Increases muscle carnosine levels, improving endurance and reducing fatigue.
TaurineGood
Taurine is an amino acid that supports cardiovascular health and muscle function. It is often included in energy drinks and pre-workouts for its potential to enhance athletic performance and reduce muscle damage. Taurine also has antioxidant properties that can protect cells from damage.
Benefits
Supports cardiovascular health and muscle function, with antioxidant properties.
Agmatine SulfateGood
Agmatine Sulfate is derived from the amino acid arginine and is known for its potential to enhance nitric oxide production and improve blood flow. It may also have neuroprotective effects and support mood regulation. This ingredient is valued in pre-workouts for its potential to enhance pumps and performance.
Benefits
Enhances nitric oxide production and blood flow, with potential neuroprotective effects.
L-TyrosineGood
L-Tyrosine is an amino acid that supports the production of neurotransmitters, which can improve focus and cognitive performance. It is often used in pre-workouts to help manage stress and enhance mental clarity during exercise. L-Tyrosine is particularly beneficial in situations of acute stress or fatigue.
Benefits
Supports neurotransmitter production, improving focus and cognitive performance.
NitrosigineGood
Nitrosigine is a patented complex of arginine and silicon that enhances nitric oxide levels, improving blood flow and vascularity. It is used in pre-workouts for its ability to enhance muscle pumps and endurance. Nitrosigine is also known for its long-lasting effects compared to other nitric oxide boosters.
Benefits
Enhances nitric oxide levels, improving blood flow and endurance.
NiacinGood
Beneficial ingredient — whole-food or functional value in this product class.
Risks
High doses may cause flushing, a harmless but uncomfortable sensation.
Benefits
Supports energy metabolism and cardiovascular health.
L-TheanineNeutral
L-Theanine is an amino acid commonly found in tea leaves, known for promoting relaxation without drowsiness. It is often combined with caffeine to enhance focus and reduce the jittery effects of caffeine. L-Theanine is valued for its calming effects and ability to improve attention.
Benefits
Promotes relaxation and enhances focus, especially when combined with caffeine.
Caffeine AnhydrousNeutral
Caffeine Anhydrous is a dehydrated form of caffeine that provides a quick energy boost and enhances alertness. It is a common ingredient in pre-workouts for its ability to improve physical performance and mental focus. While effective, excessive intake can lead to side effects such as jitteriness and increased heart rate.
Risks
Excessive intake may cause jitteriness, increased heart rate, and other side effects.
Benefits
Enhances alertness and physical performance, providing a quick energy boost.
TheobromineNeutral
Theobromine is a compound found in cocoa that has mild stimulant effects and can improve mood and focus. It is less potent than caffeine but can complement its effects in pre-workouts. Theobromine also has vasodilatory properties, which can support cardiovascular health.
Benefits
Improves mood and focus with mild stimulant effects, supporting cardiovascular health.
Huperzine ANeutral
Huperzine A is a compound extracted from Chinese club moss, known for its potential to enhance cognitive function and memory. It is often included in pre-workouts for its nootropic effects, although more research is needed to fully understand its benefits. Huperzine A may help improve focus during workouts.
Risks
Potential side effects include nausea and gastrointestinal discomfort if taken in excess.
Benefits
Enhances cognitive function and memory, potentially improving focus during workouts.
Vitamin B6Neutral
Vitamin B6 is important for protein metabolism and the production of neurotransmitters. It is included in pre-workouts to support energy production and overall health. Vitamin B6 is essential for brain health and immune function.
Benefits
Supports protein metabolism and neurotransmitter production, essential for brain health.
Processing
Processed Foods
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