Skull Labs Skull Crusher Stim-Free 350g
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Product information
Skull Labs Skull Crusher Stim-Free 350g is a premium stimulant-free pre-workout supplement expertly formulated for athletes and fitness enthusiasts seeking enhanced performance without caffeine or other stimulants. Designed for those who train in the evening or are sensitive to stimulants, this advanced blend delivers powerful muscle pumps, improved endurance, and sharp mental focus—without disrupting sleep or causing jitters. With a comprehensive mix of nitric oxide boosters, amino acids, nootropics, and B vitamins, Skull Crusher Stim-Free supports strength, stamina, and rapid recovery for all training levels.
Key Features:
- Stimulant-Free Pre-Workout Formula
Perfect for late-night training or individuals avoiding caffeine, ensuring no impact on sleep quality or unwanted side effects. - Powerful Nitric Oxide Boosters
Contains citrulline malate and AAKG to enhance blood flow, muscle pumps, and nutrient delivery during workouts. - Enhanced Endurance and Recovery
Beta-alanine and betaine help buffer muscle fatigue and support faster recovery between sets for optimal performance. - Nootropic Support for Focus
L-tyrosine, choline bitartrate, and alpha-GPC promote mental clarity, concentration, and cognitive resilience during intense training. - Comprehensive Amino Acid Blend
Includes taurine and glyceryl monostearate for improved energy metabolism and muscle cell hydration. - Vitamin B Complex for Energy
Niacin and vitamin B6 support nervous system health, energy metabolism, and reduction of fatigue. - Ideal for All Levels
Suitable for both amateur and professional athletes seeking a balanced, effective pre-workout without stimulants.
Citrulline malate is a key ingredient in Skull Labs Skull Crusher Stim-Free, renowned for its ability to increase nitric oxide production, leading to superior muscle pumps and improved nutrient delivery. This supports greater endurance and motivation during resistance training.
Beta-alanine works synergistically by increasing carnosine levels in muscles, buffering acid buildup, and reducing fatigue, which allows for longer and more intense workouts. L-arginine alpha-ketoglutarate (A-AKG) further amplifies nitric oxide synthesis, promoting vasodilation and enhanced blood flow to working muscles.
Betaine and taurine contribute to muscle protein synthesis, circulatory health, and energy metabolism, supporting both performance and recovery. Glyceryl monostearate increases muscle cell volume, intensifying the pump effect and hydration. The inclusion of nootropics such as L-tyrosine, choline bitartrate, and alpha-GPC ensures optimal mental focus, cognitive function, and stress resilience during training. Niacin and vitamin B6 round out the formula, supporting energy metabolism, nervous system health, and reducing overall fatigue.
Supplement Facts:
- Serving Size: 1/2 scoop (4.38g)
- Servings Per Container: 79
Amount Per Serving:
- Citrulline malate: 1500mg (of which citrulline 1000mg)
- Beta-alanine: 800mg
- L-arginine alpha ketoglutarate (A-AKG): 375mg (of which L-arginine 263mg)
- Betaine: 250mg
- Taurine: 250mg
- Glyceryl monostearate: 250mg
- Choline bitartrate: 138mg (of which choline 57mg)
- L-tyrosine: 125mg
- Glucuronolactone: 25mg
- Niacin: 16mg
- Vitamin B6: 4.5mg
*RI - Reference Intake
Ingredients:
citrulline malate, beta-alanine, L-arginine alpha-ketoglutarate (A-AKG), anhydrous betaine, taurine, stabilizer (glyceryl monostearate), anti-caking agent (E55), acidity regulator (E500(ii)), flavors, choline bitartrate, L-tyrosine, glucuronolactone, niacin (nicotinic acid), vitamin B6 (pyridoxine hydrochloride), salt, beetroot juice concentrate, black carrot concentrate, sweeteners (sucralose, acesulfame K, steviol glycosides from stevia), color(s) (E160a, E104, E132). E104: May have an adverse effect on activity and attention in children. Contains ingredients derived from soy and may contain traces of milk, eggs, gluten, nuts, peanuts, fish, shellfish, sesame.
Recommended Use:
Mix half a scoop with 75-100ml of water. For a stronger effect, mix approximately one scoop with 150-200ml of water. Consume one portion 30-45 minutes before your workout. Two scoops are recommended only for experienced users. Do not exceed the recommended daily dose.
Not suitable for children, pregnant or breastfeeding women. Store in a cool, dry place, out of reach of children.
Allergy warning: Contains ingredients derived from soy and may contain traces of milk, eggs, gluten, nuts, peanuts, fish, shellfish, and sesame. Manufactured in a facility that processes products containing the above allergens.
Disclaimer:
We strive to ensure that the product information displayed on our website is always accurate and up-to-date. However, products are continually being improved and updated, so ingredients, nutritional content, dietary information, and allergen information may change. We encourage you to always read the label on the product packaging before using or consuming any products, rather than relying solely on the information provided on our website. Although every effort is made to provide accurate information, we cannot be held responsible for any inaccuracies or incorrect information that may be found on this site. Please note that there may be possible variations in values between different flavours. Images are for illustrative purposes only, and manufacturers might change product labels/designs.
This disclaimer does not affect your statutory rights.
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