Gold Standard® 100% Casein, Chocolate Peanut Butter
Chocolate peanut butter · Casein, Micellar Casein · 34g serving
XRay Summary
- Ranks #147 of 244 · XRay Score 52/100
- Strength: Leanness (Top 26%)
- Weakness: Value For Money (Bottom 79%)
- Protein Source: Casein
- Flavor: Chocolate And Nutty
Gold Standard® 100% Casein, Chocolate Peanut Butter by Optimum Nutrition performs at par with most competitors in the protein powder category with an XRay Score of 52/100, placing #147 out of 244. Its strongest dimension is leanness (top 26%), with a very clean protein-to-fat profile. On the flip side, price-to-protein ratio trails competitors (bottom 79% of the category). It uses casein protein, a slow-digesting dairy source often chosen for sustained amino acid release. On the flavor front, expect chocolate and nutty tones.
How It Ranks
Ranked against 244 products in this category.
Leaderboard
XRay Score — Protein Powder (244 products)

Performance
Visual comparison across the 5 dimensions and macronutrient split.
Radar
How this product compares on each dimension — overlaid on the category median (gray). Larger area is always better. Hover any label for raw values and formula.
Macro Split
Nutrition
Macronutrient breakdown and product details.
| Nutrient | Per Serving (34g) | Per 100g |
|---|---|---|
| Energy | 120kcal | 352.94kcal |
| Protein | 24g | 70.59g |
| Total Fat | 1g | 2.94g |
| Sat. Fat | 0g | 0g |
| Carbohydrates | 4g | 11.76g |
| Fiber | 1g | 2.94g |
| Sugar | 1g | 2.94g |
| Sodium | 240mg | 705.88mg |
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Disclaimer — All nutritional data and product information is provided to the best of our knowledge based on publicly available sources and may contain inaccuracies. MacroXray is not responsible for discrepancies between listed and actual product data. Nothing on this site constitutes medical, dietary, or nutritional advice. Always consult a qualified healthcare professional before making changes to your diet. Dietary restriction labels (e.g. gluten-free, vegan) are based on ingredient information and may not account for cross-contamination or manufacturing processes — always verify with the manufacturer if you have allergies or intolerances. Halal, Kosher and other certifications shown are based on product labeling or third party site descriptions; actual certification status may vary by region and should be confirmed with the certifying body or manufacturer. Prices shown are sourced from third-party retailers at the time of last scan and may have changed since then. MacroXray is not a retailer and does not sell products directly.



