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Ninja Supplements Ninja Zen Sleep Aid (V3)

Ninja Supplements 25servings

from £45.76

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Ninja Zen Sleep Aid – Advanced Nighttime Recovery & Relaxation Formula


Ninja Zen Sleep Aid is a potent nighttime recovery supplement that promotes deep, restorative sleep, relaxation, and stress reduction. This formula combines calming adaptogens, neurotransmitter support, and natural sleep enhancers to help improve sleep quality, relaxation, and overall well-being.

Ideal for athletes, busy professionals, and anyone struggling with sleep difficulties, Ninja Zen Sleep Aid supports REM sleep cycles, muscle recovery, and nervous system balance, ensuring you wake up feeling refreshed and energized.

Benefits of Ninja Zen Sleep Aid



  • Promotes deep, restorative sleep

  • Enhances relaxation and stress relief

  • Improves REM sleep and sleep quality

  • Supports neurotransmitter balance for a calm mind

  • Optimizes recovery and next-day energy levels


Who Should Use Ninja Zen Sleep Aid?



  • Athletes and professionals looking to optimize recovery and performance.

  • Individuals struggling with sleep difficulties, stress, or anxiety.

  • Anyone seeking a natural way to improve sleep cycles and relaxation.

Key Ingredients & Benefits




  • Magnesium (as Magnesium Citrate) – 29mg


    It supports muscle relaxation, nervous system balance, and quality sleep cycles. It also helps reduce stress and restlessness before bedtime.



Ninja’s Anti-Anxiety, Mood, and Relaxation Support Matrix – 2000mg




  • Inositol


    It aids in reducing stress, anxiety, and overactive thoughts, promoting a calm state of mind before sleep.


  • Gamma-Aminobutyric Acid (GABA) – 2000mg


    It acts as the brain’s primary inhibitory neurotransmitter, reducing stress, anxiety, and excessive neural activity and helping induce relaxation and restful sleep.


  • L-Tyrosine – 500mg


    Supports neurotransmitter production to promote mood balance and cognitive relaxation.


  • Xylaria™ (Xylaria nigripes Mushroom Extract) – 500mg


    A unique mushroom extract known for its calming properties, supporting deep sleep and stress reduction.


  • L-Theanine – 350mg


    Promotes mental relaxation and stress relief, helping reduce nervous tension and support a calm, focused mind.


  • L-Phenylalanine – 300mg


    Assists in neurotransmitter production, supporting mood stability and emotional balance before bedtime.


  • KSM-66® Ashwagandha Extract (2.5% Withanolides) – 300mg


    A well-researched adaptogen that reduces cortisol levels, stress, and anxiety, promoting calmness and relaxation before sleep.


  • Mucuna Extract (Mucuna Pruriens, 98% L-Dopa) – 200mg


    Supports dopamine production, improving mood and relaxation while aiding in recovery and deep sleep.


  • Lavender Extract (4:1 Lavandula Officinalis, Flower) – 150mg


    A well-known calming herb that reduces stress and nervous tension and promotes relaxation before bedtime.



Ninja’s Insomnia, REM Sleep, and Recharge Support Matrix




  • Phenibut – 750mg


    A potent neurotransmitter modulator, promoting deep relaxation, anxiety reduction, and enhanced sleep quality.


  • Chamomile Powder (Matricaria Chamomilla, Flower, Stems) – 500mg


    A natural herbal remedy that aids in relaxation reduces anxiety and improves sleep onset.


  • L-Tryptophan – 500mg


    An essential amino acid involved in the production of serotonin and melatonin, supporting mood and sleep regulation.


  • Lemon Balm Extract (4:1 Melissa Officinalis, Herb & Leaves) – 150mg


    A traditional calming herb that reduces restlessness, stress, and nervous energy, preparing the body for sleep.


  • 5-HTP (5-Hydroxytryptophan) – 100mg


    It supports serotonin production, helping to regulate mood, relaxation, and sleep cycles.


  • Melatonin (N-Acetyl-5-Methoxy-Tryptamine) – 2mg


    A natural sleep hormone that regulates the body’s internal clock, promoting faster sleep onset and improved sleep quality.



Ninja’s Absorption and Gut Health Matrix




  • AstraGin® (Purified & Fractionated Panax Notoginseng and Astragalus) – 50mg


    Enhances nutrient absorption and digestive health, ensuring optimal uptake of key ingredients for maximum effectiveness.


How to Use Ninja Zen Sleep Aid



  • Dosage: Mix one scoop (11.1g) with 200-300ml water 30-45 minutes before bedtime.

  • Stacking: This can be used with non-stimulant recovery or hydration supplements.

  • Hydration: Ensure adequate water intake throughout the day for proper absorption.


Disclaimer: This product is a dietary supplement and should not be used as a substitute for a varied diet. Do not exceed the recommended daily dose. Keep out of reach of children. If you are pregnant, nursing, taking medication, or have a medical condition, consult your healthcare professional before use. This product contains Aphrodyne and may cause side effects such as increased heart rate, anxiety, or elevated blood pressure. Use with caution and discontinue use if any adverse reactions occur. Store in a cool, dry place away from direct sunlight. The Food and Drug Administration or any other governmental authority has not evaluated the statements made here. This product is not intended to diagnose, treat, cure, or prevent any disease.

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Need help?

Ninja Zen Sleep Aid (V3) is an advanced nighttime recovery and relaxation formula that promotes deep, restorative sleep, relaxation and stress reduction.

The formula combines calming adaptogens, neurotransmitter support and natural sleep enhancers to improve sleep quality, relaxation and overall wellbeing.

Yes. It is a nighttime formula intended for evening use, built around relaxation and recovery rather than stimulation.

It promotes deep, restorative sleep, enhances relaxation and stress relief, improves REM sleep and sleep quality, supports neurotransmitter balance for a calm mind, and optimises recovery and next-day energy levels.

Sleep quality depends heavily on neurotransmitter balance. Supporting it is what helps quiet a busy mind rather than simply forcing sedation.

It is aimed at athletes, busy professionals and anyone struggling with sleep difficulties who wants better recovery and next-day energy.

By improving sleep depth and REM quality it targets overnight recovery, which is what determines how well you perform the following day.

V3 refers to the current version of the Ninja Zen Sleep Aid formula, indicating the product has been revised since earlier releases.

It is taken in the evening before bed. Follow the serving directions on the Ninja Supplements label.

You can buy Ninja Supplements Ninja Zen Sleep Aid in the UK directly from Cross The Limits.

Ninja Supplements

Ninja Supplements

Ninja Supplements offers precision-crafted formulas designed to sharpen performance and unleash strength.