Blast through strength plateaus and force stubborn muscle tissue to grow with Universal Nutrition Animal M-Stak. Engineered specifically for hard gainers, elite lifters, and active Australiaers who want to build serious size without synthetic hormones, this legendary non-hormonal anabolic pack targets natural muscle protein synthesis and nutrient partitioning. Packaged in convenient, pre-measured daily pill packs, Animal M-Stak provides a complete, high-potency formula designed to turn every extra calorie into dense, lean muscle mass.

Key Benefits & Features

• Non-Hormonal Anabolic Support: Drives protein synthesis and lean mass gain without interfering with your body's natural endocrine function.

• Designed for Hard Gainers: Optimises nutrient partitioning to shuttle carbohydrates, amino acids, and fats into muscle tissue rather than stored body fat.

• Flavone & Sterone Complex: Packed with natural plant adaptogens and sterols to enhance nitrogen retention and mechanical power output.

• Energy & Focus Complex: Contains a removable energy pill to sharpen mental drive and combat training fatigue during heavy compound lifting.

• Anticatabolic Amino Blend: Delivers targeted leucine and branched-chain aminos to protect hard-earned muscle tissue from metabolic breakdown.

How It Works

Universal Nutrition Animal M-Stak relies on a multi-complex delivery matrix that works synergistically to create a powerful internal environment for growth. The core Natural Flavone/Sterone Complex delivers active plant extracts—including Beta-Ecdysterone and 5-Methyl-7-Methoxyisoflavone—that directly signal muscle cells to increase nitrogen retention and accelerate protein synthesis.

Simultaneously, the Insulin Potentiating Complex works to optimize your body's insulin response. By improving insulin sensitivity, M-Stak ensures that the nutrients you consume post-workout are rapidly transported out of the bloodstream and directly into depleted skeletal muscle fibers. Coupled with adaptogenic herbs that regulate physical stress and a potent anticatabolic amino matrix, M-Stak ensures your body remains in a constant state of repair and growth.

Recommended Use

Take 1 pack daily for 21 consecutive days.

• Training Days: Take 1 pack 30–45 minutes prior to exercise.

• Non-Training Days: Take 1 pack in the morning or between meals on an empty stomach.

• Cycle Duration: For best results, cycle 3 weeks on followed by 1 week off. Repeat as required for your mass-gaining phases.

• Pro-Tip: The red capsule contains stimulants. If you train late in the evening or wish to avoid caffeine, simply remove the single red capsule from the pack before taking.

Container Size: 21 Paks
Serving Size: 1 Pak
Servings Per Container: 21

Directions:
Take a pak every day for 21 straight days. Take one pak 30-45 minutes before lifting. On off days, take between meals. Cycle Animal M Stack for best results – three weeks on, one week off. The entire energy complex (stims) is contained in the single red capsule. Remove it as you see fit.

Please Note: Nutritional Information is to be used as a guide only, actual values may differ between flavours and sizes and when formulations are modified or updated by the manufacturer. 
Contact us if you have any questions regarding this products ingredients.

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

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