OneOnly

Lean Whey Protein

$59.95 AUD

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Size 1kg

Flavor Chocolate

Quantity

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Directions

Add one level scoop (30 grams) to 250-300 mL of water and shake vigorously in a OneOnly shaker until dissolved.

*Consume Immediately*

Recommended daily usage: Up to 3 serves

Ingredients

Chocolate Flavour: Whey Protein Isolate (milk), Whey Protein Concentrate (milk), Bovine Collagen, Natural Dutch Cocoa, Natural Chocolate Flavours, Vegetable Cum, Stevia.

Contains Milk

*OneOnly Lean Whey is not a sole source of nutrition and should be consumed with a nutritious diet, appropriate physical training and exercise.

*Packed under HACCP conditions in a facility that also packs dairy, nuts and dried fruit*

By Athletes - For Athletes

Fuel your day with our Lean Whey Protein – made from 100% natural ingredients, locally sourced in South Australia. High protein, low sugar, no fillers – just pure, effective nutrition made for athletes, by athletes.

Australian Made
We source, produce, and package everything locally right here in Australia. By keeping it close to home, we ensure quality, support local communities, and reduce our environmental footprint.
Finest Ingredients
We use only the highest quality, 100% natural ingredients - no fillers, no shortcuts. Just clean, effective formulations your body can trust. By athletes - For athletes.
Backed by Science
Every OneOnly product is grounded in scientific research and developed with evidence-based formulas. We don’t follow trends - we follow the data to ensure every ingredient does what it says.

Plant Protein

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Our Unflavored Creatine Monohydrate is clean, effective, and scientifically backed to support strength, performance, and recovery—without any fillers, flavors, or fuss. Just one ingredient. All results.

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"Honest take - very impressed. A super smooth mix with a genuine chocolate smoothy taste. Happy to say this is my go-to protein now, and impressed at its simplicity yet effectiveness with natural ingredients."

Luke - Personal Trainer

"Playing as a professional athlete, there is always worry at the back of my mind with doping and hidden ingredients in supplements. Being entirely honest incorporating OneOnly into my diet has been not only a benefit to my body, but also a massive stress relief. All my focus is now into football because there’s no need to worry about additives. Thankyou OneOnly."

Mohammad Hussan - Adelaide United

"I’ve been vegan for four years, and it’s been a challenge finding a protein blend that’s clean, effective, and free from unnecessary additives—until now. I’m genuinely thrilled to have discovered OneOnly. It’s a blend I trust because I know exactly what I’m putting into my body. I’m beyond impressed and have already started recommending it to my clients."

Millie - Pilates Instructor

"In sprinting, recovery is just as important as training—and that’s where protein matters. OneOnly has been a reliable part of my routine, giving me clean, effective fuel without any of the usual junk. It’s a brand I can trust without worrying about doping, so I recommend if your serious about your development and sport. Thankyou OneOnly."

Ian - Sprinter

"Loving the whey protein, great for the gym and even tastes good in water. So happy with it and recommended to many of my friends and family."

Louis – Physiotherapist in Practice

"So so pleased with the taste and texture of this protein! It’s been so versatile for me and has been a huge booster in helping me hit my protein goals. Would highly recommend especially for a plant-based product, definitely lives up to the hype!!"

Frankie – Personal Trainer

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Lean Whey Protein