MacroXray logoMACROXRAY
Products
OptimizeCraveBenchmark
HomeProductsProtein PowderSport, Micellar Casein, Unflavored, Slow Absorption
← Back to Protein Powder
California Gold Nutrition

Sport, Micellar Casein, Unflavored, Slow Absorption

Unflavored · Casein, Micellar Casein · 30g serving

#14in Protein Powder(347)
✓ Sugar-Free
1/4
XRay Score
89/100
Performance
P/kcal$P:F▾ CFb
At-a-Glance
25g
Protein /serving
0g
Fiber /serving
110
kcal /serving
22.7g
Protein /100kcal
Performance
ProteinEfficiencyValue forMoneyLeannessLow CarbFiber
Where to Buy
iHerbBest value
1 lb · 15 servings
US$1.95/serving
US$29.22 for pack
Buy Now
Ships Worldwide
🇺🇸 Prices in USD
View more buying options

XRay Summary

  • Ranks #14 of 347 · XRay Score 89/100
  • Strength: Leanness (Top 3%)
  • Protein Source: Casein

Sport, Micellar Casein, Unflavored, Slow Absorption by California Gold Nutrition performs well above average in the protein powder category with an XRay Score of 89/100, placing #14 out of 347. Its strongest dimension is leanness (top 3%), keeping fat content low relative to protein. Casein serves as the protein base, making it a popular choice for overnight or extended use.

How It Ranks

Ranked against 347 products in this category.

XRay Score5D weighted score across all dimensions
#14 of 347
89/100XRay Score
Protein Efficiencygrams of protein per 100 kcal — higher is better
#24 of 347
22.7g/100kcal25.0g/serving93rd percentile
Value for Moneygrams of protein per unit of currency — higher is better
No data
——
Leannessprotein-to-fat ratio — higher is better
#12 of 313
49.9:197th percentile
Low Carbnet carbs per 100g — lower is better
#72 of 229
6.7g/100g2.0g/serving69th percentile
Fiberfiber per 100g — higher is better
No data
——

Leaderboard

XRay Score — Protein Powder (347 products)

RankProductProtein Eff.g/100kcalScore/100
#1
Impact Soy Protein (Unflavoured)
Impact Soy Protein (Unflavoured)
MyProtein
23.6g/100kcal98
···
#13
Grass-Fed Beef Protein Isolate (Chocolate)
Grass-Fed Beef Protein Isolate (Chocolate)
MyProtein
23.0g/100kcal90
#14
Sport, Micellar Casein, Unflavored, Slow Absorption
Sport, Micellar Casein, Unflavored, Slow Absorption
California Gold Nutrition
22.7g/100kcal89
#15
Impact Vegan Protein (Chocolate Peanut Caramel)
Impact Vegan Protein (Chocolate Peanut Caramel)
MyVegan
20.2g/100kcal88
#16
Protein Powder, Vanilla Milkshake
Protein Powder, Vanilla Milkshake
Quest Nutrition
21.8g/100kcal86
See all 347 ranked →

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.

ProteinEfficiencyValue forMoneyLeannessLow CarbFiber
This productAverage Protein Powder(n=347)
Learn more about our methodology →

Macro Split

110kcal/serving
Protein
89%
Fat
4%
Carbs
7%

Nutrition

Macronutrient breakdown and product details.

NutrientPer Serving (30g)Per 100g
Energy110kcal366.67kcal
Protein25g83.33g
Total Fat0.5g1.67g
Sat. Fat0g0g
Carbohydrates2g6.67g
Fiber0g0g
Sugar1g3.33g
Sodium20mg66.67mg

Shop

Best prices across retailers — shown in your selected currency.

ProductRetailerPricePer ServingShips to
1 lb · 15 sv
Best Value
iHerb
Worldwide
US$29.22
US$1.95/sv
Buy Now
1 lb · 15 servings
iHerb
Best Value
US$29.22
US$1.95/serving
Worldwide
Buy
Prices shown in each retailer's original currency. Shipping availability and delivery to your country depend on the retailer.

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.

MacroXray logoMACROXRAY

Your Protein. Your Rules. Ranked. We rank based on published nutrition data — no sponsored rankings, no mystery grades. Just numbers.

Featured onBoworaMacroXray - Featured on Startup Fame

Product

  • Optimize
  • Crave
  • Benchmark
  • Products
  • Articles
  • Brands

Categories

  • Protein Powder
  • Clear Protein
  • RTD Shake
  • Protein Bar
  • Protein Crisps
  • Sweet Snack
  • Savoury Snack
  • Smoothie
  • Cooking Mix
  • Fresh & Chilled
  • Other

Company

  • About
  • Methodology
  • FAQ
  • Affiliate Disclosure
  • Privacy Policy
  • Terms of Service
  • Contact Us
© 2026 MacroXray. All rights reserved.
Text size
Some links are affiliate links. Affiliate disclosure
California Gold Nutrition Sport, Micellar Casein, Unflavored, Slow Absorption
California Gold NutritionSport, Micellar Casein, Unflavored, Slow AbsorptionProtein Powder · Plain · Casein · #14 of 347 Protein Powders
Sugar-Free
XRay Score
89/100
Weighted across
5 dimensions
Protein Efficiency22.7 g/100kcalValue for Money—Leanness49.9:1 P:FLow Carb6.7g net/100gFiber—
This productProtein Powder avg
Nutrition
/ serving 30g/ 100g
Calories110 kcal367 kcal
Protein25g83g
Fat0.5g1.7g
Carbs (total)2.0g6.7g
Fiber0.0g0.0g
Sugar1.0g3.3g
Macro Split
110kcal/svg
Protein
89%
Fat
4%
Carbs
7%
Protein Powder Rankings
Value
Rank
Protein Efficiency
22.7 g/100kcal
#24/347
Value for Money
—
—
Leanness
49.9:1 P:F
#12/313
Low Carb
6.7g net/100g
#72/229
Fiber
—
—
MacroXray logoMACROXRAY
Generated on Jun 11, 2026 bymacroxray.com
YOUR PROTEIN.YOUR RULES. RANKED.
Buy Now