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California Gold Nutrition

Sport, Whey Protein Isolate, Unflavored

Unflavored · Whey Protein Isolate · 31g serving

#6in Protein Powder(291)
✓ Sugar-Free
1/4
XRay Score
92/100
Performance
P/kcal$P:F▾ CFb
At-a-Glance
27g
Protein /serving
0g
Fiber /serving
120
kcal /serving
22.5g
Protein /100kcal
Performance
ProteinEfficiencyValue forMoneyLeannessLow CarbFiber
Where to Buy
iHerbBest value
1 lb
US$28.00 for pack
Buy Now
Ships Worldwide
🇺🇸 Prices in USD
View more buying options

XRay Summary

  • Ranks #6 of 291 · XRay Score 92/100
  • Strength: Low Carb (Top 1%)
  • Protein Source: Whey Isolate

Sport, Whey Protein Isolate, Unflavored by California Gold Nutrition is one of the highest-rated products in the protein powder category with an XRay Score of 92/100, placing #6 out of 291. Its strongest dimension is low carb (top 1%), appealing to low-carb and keto lifestyles. Built on whey isolate — a refined, fast-digesting protein with minimal fat and lactose.

How It Ranks

Ranked against 291 products in this category.

XRay Score5D weighted score across all dimensions
#6 of 291
92/100XRay Score
Protein Efficiencygrams of protein per 100 kcal — higher is better
#32 of 291
22.5g/100kcal27.0g/serving89th percentile
Value for Moneygrams of protein per unit of currency — higher is better
No data
——
Leannessprotein-to-fat ratio — higher is better
No data
——
Low Carbnet carbs per 100g — lower is better
#3 of 142
0.0g/100g0.0g/serving99th percentile
Fiberfiber per 100g — higher is better
No data
——

Leaderboard

XRay Score — Protein Powder (291 products)

RankProductProtein Eff.g/100kcalScore/100
#1
Impact Vegan Protein (Unflavoured)
Impact Vegan Protein (Unflavoured)
MyVegan
23.3g/100kcal97
···
#5
Collagen Protein Powder (Vanilla)
Collagen Protein Powder (Vanilla)
MyProtein
24.1g/100kcal95
#6
Sport, Whey Protein Isolate, Unflavored
Sport, Whey Protein Isolate, Unflavored
California Gold Nutrition
22.5g/100kcal92
#7
ISO100® Hydrolyzed, 100% Whey Protein Isolate, Fruity Pebbles, 3 lb (1.4 kg)
ISO100® Hydrolyzed, 100% Whey Protein Isolate, Fruity Pebbles, 3 lb (1.4 kg)
Dymatize
22.7g/100kcal90
—
ISO100® Hydrolyzed, 100% Whey Protein Isolate, Gourmet Vanilla, 5 lb (2.3 kg)
ISO100® Hydrolyzed, 100% Whey Protein Isolate, Gourmet Vanilla, 5 lb (2.3 kg)
Dymatize
22.7g/100kcal90
See all 291 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=291)
Learn more about our methodology →

Macro Split

120kcal/serving
Protein
100%
Fat
0%
Carbs
0%

Nutrition

Macronutrient breakdown and product details.

NutrientPer Serving (31g)Per 100g
Energy120kcal387.1kcal
Protein27g87.1g
Total Fat0g0g
Sat. Fat0g0g
Carbohydrates0g0g
Fiber0g0g
Sugar0g0g
Sodium55mg177.42mg

Shop

Best prices across retailers — shown in your selected currency.

ProductRetailerPricePer ServingShips to
1 lb
iHerb
Worldwide
US$28.00
—
Buy Now
1 lb
iHerb
US$28.00
—
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

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

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