Musashi Reaper Nervous System Stress Matrix is an advanced, specialized recovery formula engineered for hard-training athletes, powerlifters, and active Kiwis pushing their bodies to the absolute limit. Designed to combat high central nervous system (CNS) fatigue, manage cortisol buildup, and promote deep cellular adaptation, this high-performance powder helps you recover faster from heavy physical exertion and maintain peak mental drive week after week.

Key Benefits & Features

• Supports Central Nervous System Recovery: Formulated to assist with neural recovery, reducing high-strain burnout from heavy lifting and intense conditioning.

• Helps Manage Cortisol & Physical Stress: Packed with key adaptogens and micronutrients to support healthy stress hormone balance during hard training blocks.

• Restores Critical Micronutrient Reserves: Replenishes vital minerals and co-factors depleted through extreme physical output and systemic exhaustion.

• Enhances Resilience & Mental Stamina: Helps sharpens cognitive focus, reduce brain fog, and maintain motivation during high-volume training phases.

• Clean & Easy-Mixing Formula: Dissolves smoothly into cold water for a refreshing, fast-absorbing post-workout or daily stress-support beverage.

How It Works

Intense, heavy resistance training and high-stimulant pre-workouts place immense demand not just on your muscles, but on your central nervous system and adrenal pathways. Left unmanaged, CNS fatigue manifests as diminished grip strength, loss of drive, prolonged muscle soreness, and disrupted sleep. Musashi Reaper Nervous System Stress Matrix addresses this physical stress through a dual-action adaptogenic and neuro-supportive pathway.

By combining clinical-grade adaptogenic herbs with bioavailable minerals and neuro-protective amino acids, this formula helps modulate the adrenal response and reduce circulating cortisol levels following intense physical strain. Simultaneously, essential co-factors assist in resynthesising depleted neurotransmitters, allowing your nervous system to reset, adapt, and bounce back stronger for your next training session.

Recommended Use

Mix 1 serving (approx. 1 level scoop) into 250ml–300ml of cold water in a shaker bottle. Stir or shake well for 20 seconds until dissolved. Consume 1 serving daily, ideally immediately post-workout on high-intensity training days, or first thing in the morning on rest days to support continuous stress adaptation.

Container Size: 100 Capsules 
Serving Size:  4 Capsules
Servings Per Container: 25

Directions:
Adults Only: Take 4 capsules daily with food, or as directed by your healthcare professional. 

Ingredients:
Each capsule provides:
Theanine (AlphaWave ® L-Theanine) 50mg, Withania somnifera (Ashwagandha) root dry extract 30mg Equiv. Withania somnifera root dry 750mg, Magnesium glycinate Equiv. Magnesium 70mg, Zinc oxide Equiv. Zinc 2.5mg, Encapsulating aids.

We use NZ Couriers as our courier service using an international service. NZ Couriers provides our customers with fast and reliable delivery to destinations across their comprehensive AUS network. 

Standard orders over $60.00 receive free* shipping nationwide, excluding WA, NT, TAS.
Standard delivery starts from $12.90 per shipment for orders under $60.00 
Signature Required $14.90 per shipment. Please ensure you do not have the 'authority to leave' authorization set up at your address with NZ Couriers should you wish to use this service.
If you don't want NZ Couriers to leave your parcel unattended, please select the signature required option. This is especially recommended for high value orders. Neither NZ Couriers nor Sprint Fit are liable for parcels that are stolen, damaged or lost after an item has been delivered.

Final pick up each day is at 3.45pm Monday to Friday. 

*Excludes public holidays and weekends as courier is closed

Click here to view the full Shipping Details and Returns Policy.