
As an affiliate, we earn from qualifying purchases. Price may vary.
KOS brings the KOS Vegan Protein Powder Erythritol Free to your fitness arsenal — here's what sets it apart.
Looking for a dependable whey protein? Here's what this one brings to the table.
KOS' whey protein delivers 20g protein per serving.
Third-party tested, so you can have confidence in the label claims and purity.
Can support fat-loss phases by helping maintain adequate protein levels.
100% plant-based and vegan-friendly — no animal-derived ingredients here.
Strikes a good balance between quality ingredients and reasonable pricing.
Typically ranges from $29–$35 — a competitive price point for the US market.
Worth considering if you're comparing options in the whey protein category.
Track how the price has changed over the last 90 days on Amazon.com.
The brand behind this product — their story and what they stand for.
US-based supplement brand offering protein supplements.
Understand which fitness goals this product is best suited for.
Fat Loss
Helps maintain lean muscle during a caloric deficit. Pair with a structured workout and nutrition plan.
Muscle Gain
Supports muscle growth and recovery when combined with resistance training and a protein-rich diet.
Women's Fitness
Formulated keeping women's nutritional needs in mind — macro-balanced and easy to incorporate.
Step-by-step usage instructions so you get the most out of every serving.
Mix 1 scoop with 200–300ml of cold water or milk in a shaker bottle.
Shake vigorously for 15–20 seconds until smooth.
Best consumed within 30 minutes after your workout or as a protein-rich snack between meals.
Use cold water for a lighter drink or cold milk for a creamier shake and extra protein.
Common questions about this product — answered clearly and honestly.
Yes, this product is 100% vegan and contains no animal-derived ingredients.
Yes, this product has been lab tested by Third-party tested. Third-party lab testing verifies that the product contains what the label claims, giving you confidence in its quality and purity.
The most popular time is within 30 minutes post-workout for muscle recovery. However, total daily protein intake matters more than timing. You can also use it as a meal supplement or snack to boost your protein intake anytime.
Stack Suggestion
Add Creatine to Your Stack
Creatine + whey is the most researched combination for muscle growth. Compare all creatine products from ₹449 →

Atkins
Atkins Strong High Protein Shake, Milk Chocolate, 30g Protein, 7g Prebiotic Fiber, 1g Sugar, GLP-1 Support, Muscle & Gut Health Support Complex, 12 Count

Quest
Quest Nutrition Chocolate Protein Shake, 45g Protein, 2g Sugar, 4g Net Carbs, Ready to Drink, Gluten Free, 12 Count

PEScience
PEScience Select Protein Powder, Whey and Casein Blend, Lean Protein Powder for Women and Men, Low Calorie, Low Carb, Keto Friendly, Gluten Free, Gourmet Vanilla - 27 Servings

Vega
Vega Premium Protein + Supergreens, Creamy Vanilla – 20g Vegan Protein, Dairy & Gluten Free, 26.9 oz (25 Servings)
In-depth guides and articles to help you make a more informed choice.
Best Whey Protein in USA 2026 — ON vs Dymatize vs Transparent Labs Ranked | WheySearch
Dymatize ISO100 at $0.80/serving (Informed Sport). ON Gold Standard for everyday use. Transparent Labs for clean label. 10+ whey proteins ranked by price-per-serving. Updated August 2026.
10 min read
Buying GuideBest Whey Isolate in USA 2026 — Dymatize ISO100 vs Isopure vs Ascent Compared | WheySearch
Dymatize ISO100 (Informed Sport, $0.80/serving). Isopure Zero Carb for lactose-free. Ascent Native Fuel for clean label. 5 isolates ranked by purity, certification, and price-per-serving.
8 min read