--- canonical: "https://www.supplementmath.com/protein-powder/uk/optimum-nutrition/serious-mass-vanilla-b0015r6zpq/" html: "https://www.supplementmath.com/protein-powder/uk/optimum-nutrition/serious-mass-vanilla-b0015r6zpq/" markdown: "https://www.supplementmath.com/protein-powder/uk/optimum-nutrition/serious-mass-vanilla-b0015r6zpq/index.md" --- Optimum Nutrition # Serious Mass Flavor 🥤 Vanilla Protein Type ⭐ Whey Concentrate [Learn about protein types →](https://www.supplementmath.com/protein-powder/learn/protein-types/index.md) Sweetener ⚗️ Acesulfame Potassium ⚗️ Sucralose [Learn about sweeteners →](https://www.supplementmath.com/protein-powder/learn/sweetener-types/index.md) ## Key Metrics | Metric | Value | Grade | | --- | --- | --- | | Price per 100g Protein | GBP 9.99 | F | | Calories per 100g Protein | 2520.0 | F | | Value metric | Result | | --- | --- | | Verdict | Poor Value | | Reason | Significantly overpriced for concentrate | | Grade | F | | Current price per 100g protein | £9.99 | | Lowest market price per 100g | £3.31 | | Midpoint of market range per 100g | £9.43 | | Highest market price per 100g | £15.54 | | Products that are cheaper | 81% | ## Product Details Container Size 6 lbs Serving Size 340.0g Protein per Serving 50g Calories per Serving 1260 Total Servings 8.0 ## Ingredients & Label ### Nutrition Label: ![Serious Mass Vanilla supplement facts label](https://www.supplementmath.com/labels/B0015R6ZPQ/nutrition-label.jpg) ### Ingredients: - Maltodextrin - Whey Protein Concentrate - Flavor \(Natural\) - Flavor \(Artificial\) - Sunflower Lecithin - Soy Lecithin - Acesulfame Potassium - Sucralose ## Lead Testing & Certification | Test or certification | Status | | --- | --- | | California Prop 65 | No Data | | Clean Label Project Purity | Not Certified | | Consumer Reports | Not Tested | | Informed Choice | Not Certified | | Informed Sport | [Certified](https://cleanlabelproject.org/protein-powder-v2-category-tested-products/) | | Lead Content | Not Tested | | NSF Certified for Sport | Not Certified | ## Purchase [Amazon GBP 40.00](https://www.amazon.co.uk/dp/B0015R6ZPQ?tag=ousterlabs-20) [iHerb GBP 79.92](https://uk.iherb.com/pr/OPN-02300) with auto-ship \(save 10% — was GBP 88.80\) Affiliate links may earn us a commission. ## Related Reading Learn more about protein powder based on this product's attributes. - [Whey Isolate vs Concentrate: Which is Better Value? Compare protein types →](https://www.supplementmath.com/protein-powder/learn/isolate-vs-concentrate-value/index.md) - [Protein Powder Sweeteners Explained Learn about Acesulfame Potassium →](https://www.supplementmath.com/protein-powder/learn/sweetener-types/index.md) - [Is Expensive Protein Powder Worth It? Premium vs value analysis →](https://www.supplementmath.com/protein-powder/learn/is-expensive-protein-worth-it/index.md) - [How to Compare Protein Powder Prices Understand price per 100g protein →](https://www.supplementmath.com/protein-powder/learn/how-to-compare-protein-powder-prices/index.md) ## Better Value Alternatives Save Money These products have better grades \(A, B, C\) at the same or lower price. [A Animal 100% Whey Protein Powder Chocolate • 4 lbs GBP 3.31/100g -GBP 6.69/100g](https://www.supplementmath.com/protein-powder/uk/animal/100-whey-protein-powder-chocolate-b0brwsvpsq/index.md)[A Premier Protein 100% Whey Protein Powder Vanilla • 663 g GBP 4.18/100g -GBP 5.82/100g](https://www.supplementmath.com/protein-powder/uk/premier-protein/100-whey-protein-powder-vanilla-b06zz3pjqd/index.md)[A Optimum Nutrition Gold Standard 100% Whey Protein Powder Double Rich Chocolate • 10 lbs GBP 4.84/100g -GBP 5.15/100g](https://www.supplementmath.com/protein-powder/uk/optimum-nutrition/gold-standard-100-whey-protein-powder-double-rich-chocolate-b000giqt2o/index.md)[A Optimum Nutrition Gold Standard 100% Whey Protein Powder Vanilla Ice Cream • 10 lbs GBP 4.84/100g -GBP 5.15/100g](https://www.supplementmath.com/protein-powder/uk/optimum-nutrition/gold-standard-100-whey-protein-powder-vanilla-ice-cream-b000giqt3i/index.md)[A NOW Sports Whey Protein Isolate Vanilla • 10 lbs GBP 5.20/100g -GBP 4.80/100g](https://www.supplementmath.com/protein-powder/uk/now-sports/whey-protein-isolate-vanilla-b000mak5a8/index.md)[A Optimum Nutrition Gold Standard 100% Whey Protein Powder Vanilla • 5 lbs GBP 5.46/100g -GBP 4.53/100g](https://www.supplementmath.com/protein-powder/uk/optimum-nutrition/gold-standard-100-whey-protein-powder-vanilla-b000qso3fo/index.md) ## You Might Also Like Similar products from other brands with comparable protein type and value. [Body Fortress Super Advanced Whey Protein Chocolate • 807 g GBP 7.91/100g](https://www.supplementmath.com/protein-powder/uk/body-fortress/super-advanced-whey-protein-chocolate-b0bjlbd427/index.md)[BSN Syntha-6 Ultra Premium Protein Matrix Chocolate • 2270 g GBP 8.62/100g](https://www.supplementmath.com/protein-powder/uk/bsn/syntha-6-ultra-premium-protein-matrix-chocolate-b002dyj1ec/index.md)[Levels Grass Fed Whey Protein Powder Pure Chocolate • 2 lbs GBP 9.09/100g](https://www.supplementmath.com/protein-powder/uk/levels/grass-fed-whey-protein-powder-pure-chocolate-b072m8gtxw/index.md)[MuscleTech Nitro-Tech Whey Protein Isolate & Peptides for Men and Women Vanilla • 1810 g GBP 7.43/100g](https://www.supplementmath.com/protein-powder/uk/muscletech/nitro-tech-whey-protein-isolate-peptides-for-men-and-women-vanilla-b008ic0z8y/index.md)[MuscleTech Nitro-Tech Whey Protein Isolate & Peptides for Men and Women Vanilla • 907 g GBP 9.04/100g](https://www.supplementmath.com/protein-powder/uk/muscletech/nitro-tech-whey-protein-isolate-peptides-for-men-and-women-vanilla-b008ih1awe/index.md)[MuscleTech Nitro-Tech Whey Protein Isolate & Peptides for Men and Women Cookies & Cream • 1810 g GBP 7.43/100g](https://www.supplementmath.com/protein-powder/uk/muscletech/nitro-tech-whey-protein-isolate-peptides-for-men-and-women-cookies-cream-b008ic0y80/index.md) ## Structured data ```json { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.supplementmath.com/" }, { "@type": "ListItem", "position": 2, "name": "Protein Powder", "item": "https://www.supplementmath.com/protein-powder/" }, { "@type": "ListItem", "position": 3, "name": "United Kingdom", "item": "https://www.supplementmath.com/protein-powder/uk/" }, { "@type": "ListItem", "position": 4, "name": "Optimum Nutrition", "item": "https://www.supplementmath.com/protein-powder/uk/optimum-nutrition/" }, { "@type": "ListItem", "position": 5, "name": "Serious Mass" } ] } { "@context": "https://schema.org", "@type": "Product", "name": "Optimum Nutrition Serious Mass - Vanilla", "brand": { "@type": "Brand", "name": "Optimum Nutrition" }, "description": "50g protein per serving, 1260 calories per serving. 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