Optimum Nutrition brings the Optimum Nutrition Gold Standard 100% Micellar Casein Protein to your fitness arsenal — here's what sets it apart.
A solid pick for anyone looking to boost their daily protein intake without compromise.
Optimum Nutrition's whey protein.
Informed Sport certified, meaning every batch is tested for banned substances and purity.
Can support fat-loss phases by helping maintain adequate protein levels.
Suitable for vegetarians, so you can supplement confidently on a plant-inclusive diet.
Strikes a good balance between quality ingredients and reasonable pricing.
Available at $48.05 — a competitive price point for the US market.
A well-rounded offering from Optimum Nutrition that checks the right boxes for most users.
The brand behind this product — their story and what they stand for.
Trusted American sports nutrition brand since 1986. Gold Standard Whey is the world's best-selling protein powder, backed by decades of quality manufacturing.
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.
Track how the price has changed over the last 90 days on Amazon.com.
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.
See how this product compares to similar options in its category.
| This Product | Optimum Nutrition | Ensure | Premier Protein | |
|---|---|---|---|---|
| Price | $48.05 | $35.99 | $27.97 | $28.28 |
| Per Serving | - | - | - | - |
| Servings | — | — | — | — |
| Lab Tested | ✓ | ✓ | ✓ | ✓ |
| Rating | 4.6 ★ | 4.6 ★ | 4.6 ★ | 4.6 ★ |
Common questions about this product — answered clearly and honestly.
Yes, this product is vegetarian-friendly. It does not contain any non-vegetarian ingredients.
Yes, this product has been lab tested by Informed Sport. 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.
Optimum Nutrition
Optimum Nutrition Gold Standard 100% Whey Protein Powder, Double Rich Chocolate 1.98 Pound (Packaging May Vary)
Ensure
Ensure Max Protein Shake | Milk Chocolate | Ready to Drink | 30g Protein for Muscle Health | 1g Sugar, 4g Fiber | 11 fl oz, 12 Pack
Premier Protein
Premier Protein Powder, Vanilla Milkshake, 30g Protein, 1g Sugar, 100% Whey Protein, Keto Friendly, No Soy, Gluten Free, 23.3 oz (17 Servings)
NAKED
NAKED Whey 2LB 100% Grass Fed Whey Protein Powder - Only 1 Ingredient, Unflavored Whey Protein, NSF Certified, Undenatured, Gluten Free, Soy Free, No GMOs, No Preservatives
In-depth guides and articles to help you make a more informed choice.
Best Whey Protein in India 2026 — 58 Products Ranked by Price Per Serving (Updated March 2026)
Concentrate vs isolate vs biozyme explained. How to calculate price-per-gram of protein, red flags to avoid, and our top picks at every budget.
10 min read
ComparisonWhey Isolate vs Concentrate India — Price, Protein & Which to Buy
A detailed comparison of whey protein isolate and concentrate. Protein content, lactose, price-per-serving, and which is better for your goals.
6 min read
