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Optimum Nutrition

Serious Mass™, Strawberry

Strawberry · Whey Protein Concentrate · 340g serving

#329in Protein Powder(347)
Creatine✓ Vegetarian✓ Sugar-Free
1/2
XRay Score
14/100
Performance
P/kcal$P:F▾ CFb
At-a-Glance
50g
Protein /serving
—
Fiber /serving
1260
kcal /serving
4.0g
Protein /100kcal
Performance
ProteinEfficiencyValue forMoneyLeannessLow CarbFiber
Where to Buy
iHerbBest value
6 lb · 8 servings
US$7.17/serving
US$57.34 for pack
Buy Now
Ships Worldwide
🇺🇸 Prices in USD
View more buying options

XRay Summary

  • Ranks #329 of 347 · XRay Score 14/100
  • Weakness: Protein Efficiency (Bottom 98%)
  • Protein Source: Whey Concentrate
  • Flavor: Fruity

Serious Mass™, Strawberry by Optimum Nutrition ranks in the lower tier in the protein powder category with an XRay Score of 14/100, placing #329 out of 347. On the flip side, protein density relative to calories falls short (bottom 98% of the category). It's built on whey concentrate, a widely used and cost-effective protein source. On the flavor front, expect fruity tones.

How It Ranks

Ranked against 347 products in this category.

XRay Score5D weighted score across all dimensions
#329 of 347
14/100XRay Score
Protein Efficiencygrams of protein per 100 kcal — higher is better
#340 of 347
4.0g/100kcal50.0g/serving2nd percentile
Value for Moneygrams of protein per unit of currency — higher is better
#223 of 234
6.98 g/US$5th percentile
Leannessprotein-to-fat ratio — higher is better
#176 of 313
10.0:144th percentile
Low Carbnet carbs per 100g — lower is better
No data
——
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
···
#327
Serious Mass™, Vanilla
Serious Mass™, Vanilla
Optimum Nutrition
4.0g/100kcal15
#328
Plant Based Protein, Creamy Vanilla
Plant Based Protein, Creamy Vanilla
Vega
13.6g/100kcal15
#329
Serious Mass™, Strawberry
Serious Mass™, Strawberry
Optimum Nutrition
4.0g/100kcal14
#330
Total Soy®, Meal Replacement, Bavarian Chocolate
Total Soy®, Meal Replacement, Bavarian Chocolate
Naturade
8.7g/100kcal13
#331
Gold Standard® Pro Gainer, Double Chocolate
Gold Standard® Pro Gainer, Double Chocolate
Optimum Nutrition
9.2g/100kcal12
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

1260kcal/serving
Protein
16%
Fat
4%
Carbs
80%

Nutrition

Macronutrient breakdown and product details.

NutrientPer Serving (340g)Per 100g
Energy1260kcal370.59kcal
Protein50g14.71g
Total Fat5g1.47g
Sat. Fat3g0.88g
Carbohydrates252g74.12g
Fiber——
Sugar30g8.82g
Sodium680mg200mg

Shop

Best prices across retailers — shown in your selected currency.

ProductRetailerPricePer ServingShips to
6 lb2720g · 8 sv
Best Value
iHerb
Worldwide
US$57.34
US$7.17/sv
Buy Now
6 lb2720g · 8 servings
iHerb
Best Value
US$57.34
US$7.17/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.

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Optimum Nutrition Serious Mass™, Strawberry
Optimum NutritionSerious Mass™, StrawberryProtein Powder · Fruity · Whey Concentrate · #329 of 347 Protein Powders
VegetarianSugar-Free
XRay Score
14/100
Weighted across
5 dimensions
Protein Efficiency4.0 g/100kcalValue for Money7.0 g/$Leanness10.0:1 P:FLow Carb—Fiber—
This productProtein Powder avg
Nutrition
/ serving 340g/ 100g
Calories1260 kcal371 kcal
Protein50g15g
Fat5.0g1.5g
Carbs (total)252g74g
Fiber——
Sugar30g8.8g
Macro Split
1260kcal/svg
Protein
16%
Fat
4%
Carbs
80%
Protein Powder Rankings
Value
Rank
Protein Efficiency
4.0 g/100kcal
#340/347
Value for Money
7.0 g/$
#223/234
Leanness
10.0:1 P:F
#176/313
Low Carb
—
—
Fiber
—
—
MacroXray logoMACROXRAY
Generated on Jun 14, 2026 bymacroxray.com
YOUR PROTEIN.YOUR RULES. RANKED.
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