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Optimum Nutrition

Serious Mass™, Banana

Banana · Whey Protein Concentrate · 340g serving

#326in Protein Powder(347)
Creatine✓ Vegetarian✓ Sugar-Free
1/2
XRay Score
15/100
Performance
P/kcal$P:F▾ CFb
At-a-Glance
50g
Protein /serving
—
Fiber /serving
1250
kcal /serving
4.0g
Protein /100kcal
Performance
ProteinEfficiencyValue forMoneyLeannessLow CarbFiber
Where to Buy
iHerbBest value
6 lb · 8 servings
US$7.12/serving
US$56.99 for pack
Buy Now
Ships Worldwide
🇺🇸 Prices in USD
View more buying options

XRay Summary

  • Ranks #326 of 347 · XRay Score 15/100
  • Weakness: Protein Efficiency (Bottom 97%)
  • Protein Source: Whey Concentrate
  • Flavor: Fruity

Serious Mass™, Banana by Optimum Nutrition sits near the bottom of the rankings in the protein powder category with an XRay Score of 15/100, placing #326 out of 347. On the flip side, protein per calorie is on the lower side (bottom 97% of the category). Whey concentrate serves as the protein source, offering solid bioavailability at a lower price point. On the flavor front, expect fruity tones.

How It Ranks

Ranked against 347 products in this category.

XRay Score5D weighted score across all dimensions
#326 of 347
15/100XRay Score
Protein Efficiencygrams of protein per 100 kcal — higher is better
#338 of 347
4.0g/100kcal50.0g/serving3rd percentile
Value for Moneygrams of protein per unit of currency — higher is better
#219 of 234
7.02 g/US$6th 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
···
#324
Total Soy, Weight Loss Shake, Horchata
Total Soy, Weight Loss Shake, Horchata
Naturade
9.3g/100kcal17
#325
Total Soy®, Meal Replacement, Chocolate
Total Soy®, Meal Replacement, Chocolate
Naturade
10.0g/100kcal16
#326
Serious Mass™, Banana
Serious Mass™, Banana
Optimum Nutrition
4.0g/100kcal15
#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
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

1250kcal/serving
Protein
16%
Fat
4%
Carbs
80%

Nutrition

Macronutrient breakdown and product details.

NutrientPer Serving (340g)Per 100g
Energy1250kcal367.65kcal
Protein50g14.71g
Total Fat5g1.47g
Sat. Fat3g0.88g
Carbohydrates252g74.12g
Fiber——
Sugar31g9.12g
Sodium670mg197.06mg

Shop

Best prices across retailers — shown in your selected currency.

ProductRetailerPricePer ServingShips to
6 lb2720g · 8 sv
Best Value
iHerb
Worldwide
US$56.99
US$7.12/sv
Buy Now
6 lb2720g · 8 servings
iHerb
Best Value
US$56.99
US$7.12/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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Your Protein. Your Rules. Ranked. We rank based on published nutrition data — no sponsored rankings, no mystery grades. Just numbers.

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Optimum Nutrition Serious Mass™, Banana
Optimum NutritionSerious Mass™, BananaProtein Powder · Fruity · Whey Concentrate · #326 of 347 Protein Powders
VegetarianSugar-Free
XRay Score
15/100
Weighted across
5 dimensions
Protein Efficiency4.0 g/100kcalValue for Money7.0 g/$Leanness10.0:1 P:FLow Carb—Fiber—
This productProtein Powder avg
Nutrition
/ serving 340g/ 100g
Calories1250 kcal368 kcal
Protein50g15g
Fat5.0g1.5g
Carbs (total)252g74g
Fiber——
Sugar31g9.1g
Macro Split
1250kcal/svg
Protein
16%
Fat
4%
Carbs
80%
Protein Powder Rankings
Value
Rank
Protein Efficiency
4.0 g/100kcal
#338/347
Value for Money
7.0 g/$
#219/234
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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