Optimum Nutrition Pro Gainer is a premium, high-protein weight gainer engineered for athletes and hardgainers looking to build lean muscle mass without adding unwanted fat. Unlike typical mass gainers that rely on excessive sugars and cheap carbohydrates, Pro Gainer focuses on quality calories derived from a multi-source protein blend, complex carbohydrates, dietary fibre, and essential micronutrients to power serious physical development.

Key Benefits & Features

• High-Protein Mass Formula: Delivers 60g of high-quality protein per serving to heavily support muscle repair and growth.

• Smart Protein-to-Carb Ratio: Packed with 85g of carbohydrates and few added sugars to promote lean gains rather than excess fat storage.

• Multi-Source Protein Blend: Combines whey isolate, whey concentrate, egg protein, and casein for both rapid and sustained amino acid release.

• Micronutrient Fortified: Enhanced with 24 vitamins and minerals to assist in overall metabolic function and general well-being.

• Superior Mixability: Instantised formula blends effortlessly with cold water or milk using a standard shaker bottle.

How It Works

Building quality muscle requires a sustained caloric surplus, but loading up on low-grade sugars often leads to digestive distress and unwanted body fat. Optimum Nutrition Pro Gainer solves this by supplying a dense, nutrient-rich profile designed to fuel recovery and muscle protein synthesis.

Its multi-stage protein matrix supplies fast-digesting isolates alongside slow-release casein, ensuring your muscles receive a steady flow of amino acids over several hours. Combined with complex carbohydrates to replenish depleted muscle glycogen stores and digestive enzymes for optimal nutrient absorption, Pro Gainer provides everything your body needs to recover faster and pack on quality mass.

Recommended Use

Add 1 rounded scoop (approx. 165g) of Pro Gainer to 400–500ml of cold water, milk, or your preferred beverage. Blend or shake for 30–45 seconds until completely dissolved. Consume post-workout to accelerate recovery, or between meals to boost your daily calorie intake.

Container Size:10Lb
Serving Size: 1 Heaping Scoop (165g)
Servings Per container: 28
 

All orders $60 and over receive Free* Shipping Nationwide 

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

Estimated Delivery Times*:

Auckland and North Island – Overnight

*During sale periods, please allow an additional 1–2 business days for dispatch due to high order volumes.

However many Auckland orders will be delivered the same day depending on what time the order is placed

South Island – Overnight (For larger parcels allow 2 business days)

Same Day/Evening Express Shipping upgrade available at checkout for select suburbs*

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