Peak Nutritionals | Whey Protein Isolate (WPI) Online Store
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REACH YOUR PEAK WITH THE RIGHT FUEL

To get the most out of any workout, you need to prepare your body with the right fuel.  At Peak Nutritionals, we set out to formulate a protein powder that can help you reach your fitness goals that not only is backed by science, but also tastes great.
100% Australian owned and operated, all Peak Nutritionals products are processed at our fully accredited factory in Melbourne, Victoria – maintaining product integrity and ensuring fast shipping times.
Whether you’re just starting at the gym, or need that extra push to reach the top of your game, #peakwheybetter with Peak Nutritionals by your side.
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SHOP PRODUCTS

Whey Protein Isolate

Women’s Whey Protein Isolate

Whey Protein Isolate Shakes

WHAT OUR CUSTOMERS SAY

  • “Getting back into health and fitness after becoming a mum has been hard. I've been taking the WPI for a month now and with daily walks and my once a week PT session, I'm finding it's helping me get rid of the excess weight and it's kept my fuller for longer which is perfect for a mum on the go!”
    Michelle, St Kilda
  • “I have used lots of protein powders in the past that had so many additives it was hard to decode - Peak is different. After a workout it's a perfect pick up in a smoothie. My stomach is full and my muscles recover really well!”
    Ali, Greenvale
  • “After the last Melbourne marathon, I crossed the line and was pretty wrecked! The last thing was trying to stomach another gel or electrolyte drink, however, I had a small sample size of Peak with me for the finish. I mixed it up with water, sipped it down, and after 30 mins I felt like a fully functional human again.”
    Michael, Moonee Ponds
  • “Peak Nutritionals was recommended to me by the Club Dietitian.  It’s an easy way to increase my overall protein intake following a session on the track or in the gym.  I also find it is easy, convenient and tasty to add to my smoothies and to use post match to aid the recovery process.”
    Andrew McGrath, Essendon Football Club

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