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Updated: 06 Apr 2026

10 Best Protein Drinks Aspartame-free

#1 Best Pick
OPTIMUM NUTRITION Pure Pro 35 Protein Drink, Coffee Flavour, 355ml, 12 Pack

OPTIMUM NUTRITION Pure Pro 35 Protein Drink, Coffee Flavour, 355ml, 12 Pack

Brand: Optimum Nutrition
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  • Heavy on Flavour & Protein
  • 35 grams of Protein
  • Only 1 gram of Sugar
  • Only 1 gram of Fat
  • Creamy & Smooth Milkshake Taste
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#2 Best Value
Amazonia Raw Protein Isolate Vanilla, Natural Plant-Based Protein Powder– Certified Organic, Fermented, Low FODMAP, Gluten-Free, Vegan, 21.6g Protein per Serving, 1kg

Amazonia Raw Protein Isolate Vanilla, Natural Plant-Based Protein Powder– Certified Organic, Fermented, Low FODMAP, Gluten-Free, Vegan, 21.6g Protein per Serving, 1kg

Brand: Amazonia
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  • ORGANIC PLANT-BASED PROTEIN: Made with sprouted and fermented Golden Pea and Brown Rice Protein, providing 21.6g of protein per serving to support muscle growth and daily nutrition.
  • COMPLETE AMINO ACID PROFILE: Includes essential amino acids, plus added digestive enzyme Bromelain for easier digestion and absorption.
  • RICH IN NUTRIENTS: Each serving is packed with Iron, Phosphorus, and Zinc, delivering 61% of daily Iron RDI to support your overall health.
  • FREE FROM ADDITIVES: Certified organic, low FODMAP, gluten-free, dairy-free, soy-free, GMO-free, with no added sugar or synthetic ingredients.
  • Gold Winner and Editor’s Choice for Protein Powder at the 2025 Clean + Conscious Awards - an independent Australian and New Zealand awards program recognising the best clean, ethical, and sustainably made products, judged on ingredient integrity, transparency, and real-world performance.
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#3 Budget Pick
Musashi High Protein Ready to Drink Protein Shake, Chocolate, High Protein, Low Carb, Post-Workout Recovery, Muscle Support, Pack of 6 (6 x 375ml Protein Shakes)

Musashi High Protein Ready to Drink Protein Shake, Chocolate, High Protein, Low Carb, Post-Workout Recovery, Muscle Support, Pack of 6 (6 x 375ml Protein Shakes)

Brand: Musashi
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  • 30g protein per serve Delivers 30 grams of high-quality protein in every 375ml bottle to support lean muscle growth, repair, and recovery after training or as a daily protein boost.
  • Ready-to-drink convenience No mixing or preparation required — simply grab and go. Perfect for post-workout recovery, on-the-go nutrition, or a high-protein snack between meals.
  • Rich chocolate flavour Deliciously smooth and satisfying chocolate taste with no chalky aftertaste. Enjoy a protein shake that tastes like a treat.
  • Low fat and no added sugar Formulated to support clean nutrition goals, with low fat and no added sugar — ideal for high-protein, low-sugar diets.
  • Supports post-exercise recovery Helps replenish protein stores, reduce muscle soreness, and accelerate recovery after resistance training or intense workouts.
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#4 Top Choice
OPTIMUM NUTRITION Pure Pro 50 Protein Drink, Chocolate Flavour, 508ml, 12 Pack

OPTIMUM NUTRITION Pure Pro 50 Protein Drink, Chocolate Flavour, 508ml, 12 Pack

Brand: Optimum Nutrition
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  • Extra Heavy on Flavor and Protein
  • 50 grams of Protein
  • Only 2 gram of Sugar
  • Only 2 gram of Fat
  • Creamy and Smooth Milkshake Taste
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#5 Popular Choice
Muscle Nation 6 X Ready To Drink Protein Daily Shake Strawberry Milkshake 400ml

Muscle Nation 6 X Ready To Drink Protein Daily Shake Strawberry Milkshake 400ml

Brand: Muscle Nation
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  • Fresh and delicious Strawberry Milkshake while fueling your body with 30g of high-quality protein
  • Smooth, creamy and ready-to-drink shake
  • Perfect choice for a quick post-workout protein boost or an on-the-go protein snack
  • A delicious way to support your active lifestyle
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#6 Top Pick
Ensure 100% Plant-Based Vegan Protein Nutrition Shakes with 20g Fava Bean and Pea Protein, Chocolate, 11 Fl Oz, 12 Count

Ensure 100% Plant-Based Vegan Protein Nutrition Shakes with 20g Fava Bean and Pea Protein, Chocolate, 11 Fl Oz, 12 Count

Brand: Ensure
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  • 100% PLANT-BASED PROTEIN: 20g of protein from fava bean and pea protein to support muscle health
  • VEGAN-FRIENDLY & NON-GMO: NO dairy, soy, or cholesterol; NO artificial sweeteners, flavors, or colors; and gluten-free
  • GREAT TASTE GUARANTEED: Our Vanilla & Chocolate flavors are delicious If you don’t agree, you’ll get your money back
  • TARGETED NUTRITION: 180 nutritious calories, essential nutrients, and a good source of fiber for digestive health
  • BRAND: Ensure is the doctor recommended brand—with trusted options to meet your nutrition goals
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#7 Top Pick
Musashi High Protein Ready to Drink Protein Shake, Vanilla, High Protein, Low Carb, Post-Workout Recovery, Muscle Support, Pack of 6 (6 x 375ml Protein Shakes)

Musashi High Protein Ready to Drink Protein Shake, Vanilla, High Protein, Low Carb, Post-Workout Recovery, Muscle Support, Pack of 6 (6 x 375ml Protein Shakes)

Brand: MUSASHI
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  • 30.7 g Multi‑Source Protein per Bottle — Harnesses a blend of calcium caseinate, whey isolate and whey concentrate to support muscle repair and growth.
  • Low Fat Formula — 99 % Fat Free — Delivers your protein with minimal fat, making it ideal for lean muscle goals.
  • Nutritious Macros for Lean Phase — Per 375 mL: ~24.5 g carbs, 1.4 g fat, 30.7 g protein.
  • GMP-Certified Manufacturing — Made in trusted Australia/New Zealand facilities for quality assurance.
  • Rich Creamy Vanilla Taste & Smooth Texture — Designed for easy drinking, blends well and delivers a satisfying flavour experience.
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#8 Top Pick
Musashi Shred & Burn Ready to Drink Protein Shake, Chocolate, High Protein, Low Carb, Fat Burning Support, Post-Workout Nutrition, Pack of 6 (6 x 375ml Protein Shakes)

Musashi Shred & Burn Ready to Drink Protein Shake, Chocolate, High Protein, Low Carb, Fat Burning Support, Post-Workout Nutrition, Pack of 6 (6 x 375ml Protein Shakes)

Brand: MUSASHI
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  • 30 g Protein per Bottle — Delivers a substantial 30 g of high‑quality protein to support muscle maintenance, repair, and growth.
  • Lean‑Support Formula — Enhanced with L‑Carnitine and Green Tea Extract to support fat metabolism and lean body goals.
  • Low Carb & Low Sugar — Designed to keep carbs and sugar minimal while providing macro-friendly nutrition.
  • Ready‑to‑Drink Convenience — Pre‑mixed in 375 mL bottles, perfect for on‑the‑go use—no mixing, no fuss.
  • Clean Ingredient Profile — Uses sodium caseinate base, stabilisers, cocoa, and includes active ingredients with no added fillers.
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#9 Top Pick
MuscleMeds Carnivor RTD, Ready to Drink Protein, Lactose Free, Sugar Free, 40g Isolate Protein, Muscle Building, Recovery, Fruity Cereal, 16.9 Fl Oz (Pack of 12)

MuscleMeds Carnivor RTD, Ready to Drink Protein, Lactose Free, Sugar Free, 40g Isolate Protein, Muscle Building, Recovery, Fruity Cereal, 16.9 Fl Oz (Pack of 12)

Brand: MuscleMeds
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  • Beef protein rtd
  • 40g protein
  • 0 fat
  • 0 lactose
  • 0 sugar and 0 gluten
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#10 Top Pick
Atkins Vanilla Protein Shake Mix, High Protein, Low Carb, Low Sugar, Keto Friendly

Atkins Vanilla Protein Shake Mix, High Protein, Low Carb, Low Sugar, Keto Friendly

Brand: Atkins
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  • BLISS MEETS BALANCE. Enjoy the rich, sweet flavour of vanilla that satisfies your cravings without a ton of sugar and net carbs.
  • STAY ON TRACK. Perfect for making shakes, smoothies, or for customizing your favourite drinks with a delicious protein boost.
  • MINDFUL INDULGENCE. Atkins Vanilla Protein Shake Mix has 17g of protein per serving and is made for the keto friendly lifestyle.
  • PROTEIN WITHOUT COMPROMISE. Offered in 310g containers for convenient, anytime enjoyment.
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