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Barebells

Protein Bar, Birthday Cake

Birthday cake · Whey Protein Concentrate, Whey Protein Isolate, Casein, Soy Protein, Collagen · 55g serving

#132in Protein Bar(433)
Collagen
1/4
XRay Score
65/100
Performance
P/kcal$P:F▾ CFb
At-a-Glance
20g
Protein /serving
2g
Fiber /serving
210
kcal /serving
9.5g
Protein /100kcal
Performance
ProteinEfficiencyValue forMoneyLeannessLow CarbFiber
Where to Buy
iHerbBest value
12 count · 12 servings
US$2.56/serving
US$30.71 for pack
Buy Now
Ships Worldwide
🇺🇸 Prices in USD
View more buying options

XRay Summary

  • Ranks #132 of 433 · XRay Score 65/100
  • Strength: Leanness (Top 19%)
  • Weakness: Fiber (Bottom 83%)
  • Protein Source: Whey Isolate
  • Flavor: Sweet And Vanilla

Protein Bar, Birthday Cake by Barebells sits comfortably in the upper half in the protein bar category with an XRay Score of 65/100, placing #132 out of 433. Its strongest dimension is leanness (top 19%), delivering lean macros. On the flip side, it doesn't contribute much dietary fiber (bottom 83% of the category). The protein here comes from whey isolate, known for its clean amino acid profile and rapid absorption. Flavor-wise, it features sweet and vanilla notes.

How It Ranks

Ranked against 433 products in this category.

XRay Score5D weighted score across all dimensions
#132 of 433
65/100XRay Score
Protein Efficiencygrams of protein per 100 kcal — higher is better
#105 of 433
9.5g/100kcal20.0g/serving76th percentile
Value for Moneygrams of protein per unit of currency — higher is better
#89 of 401
7.81 g/US$78th percentile
Leannessprotein-to-fat ratio — higher is better
#81 of 419
2.9:181st percentile
Low Carbnet carbs per 100g — lower is better
#246 of 379
32.7g/100g18.0g/serving35th percentile
Fiberfiber per 100g — higher is better
#305 of 366
3.6g/100g2.0g/serving17th percentile

Leaderboard

XRay Score — Protein Bar (433 products)

RankProductProtein Eff.g/100kcalScore/100
#1
David Protein Bar, Cake Batter
David Protein Bar, Cake Batter
David
18.7g/100kcal97
···
#130
Combat Ready™ Protein Bar, Confetti Birthday Cake
Combat Ready™ Protein Bar, Confetti Birthday Cake
MusclePharm
8.7g/100kcal66
#131
Per4m Cookies N Creme Flavour Protein Bar
Per4m Cookies N Creme Flavour Protein Bar
Per4m
10.1g/100kcal66
#132
Protein Bar, Birthday Cake
Protein Bar, Birthday Cake
Barebells
9.5g/100kcal65
#133
Carb Killa High Protein Bar (Chocolate Chip Cookie Dough)
Carb Killa High Protein Bar (Chocolate Chip Cookie Dough)
Grenade
11.1g/100kcal65
#134
Protein Bars, S'mores
Protein Bars, S'mores
One Brands
9.5g/100kcal65
See all 433 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 Bar(n=433)
Learn more about our methodology →

Macro Split

210kcal/serving
Protein
36%
Fat
28%
Carbs
36%

Nutrition

Macronutrient breakdown and product details.

NutrientPer Serving (55g)Per 100g
Energy210kcal381.82kcal
Protein20g36.36g
Total Fat7g12.73g
Sat. Fat3.5g6.36g
Carbohydrates20g36.36g
Fiber2g3.64g
Sugar1g1.82g
Sodium120mg218.18mg

Shop

Best prices across retailers — shown in your selected currency.

ProductRetailerPricePer ServingShips to
12 count660g · 12 sv
Best Value
iHerb
Worldwide
US$30.71
US$2.56/sv
Buy Now
12 count660g · 12 servings
iHerb
Best Value
US$30.71
US$2.56/serving
Worldwide
Buy
12 count660g · 12 sv
Amazon US
USA
US$40.49
US$3.37/sv
Buy Now
12 count660g · 12 servings
Amazon US
US$40.49
US$3.37/serving
USA
Buy
Prices shown in each retailer's original currency. Shipping availability and delivery to your country depend on the retailer. Affiliate disclosure: when you click a “Buy” link and make a purchase, we may earn a small commission at no extra cost to you.

Featured In

Articles that analyse or compare this product.

A protein bar and a cookie placed side by side on a dark studio surface, showing the contrast between the two snack types.
A protein bar and a cookie placed side by side on a dark studio surface, showing the contrast between the two snack types.

Protein Bars vs Candy Bars: Are They Actually Healthier?

Everyone says protein bars are a healthier snack — but how much healthier, exactly? We put the numbers side by side against cookies, donuts, and ice cream to find out what you're really getting.

May 3, 20267 minProtein BarNutrition

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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Barebells Protein Bar, Birthday Cake
BarebellsProtein Bar, Birthday CakeProtein Bar · Sweet, Vanilla · Whey Isolate · #132 of 433 Protein Bars
XRay Score
65/100
Weighted across
5 dimensions
Protein Efficiency9.5 g/100kcalValue for Money7.8 g/$Leanness2.9:1 P:FLow Carb32.7g net/100gFiber3.6 g/100g
This productProtein Bar avg
Nutrition
/ serving 55g/ 100g
Calories210 kcal382 kcal
Protein20g36g
Fat7.0g13g
Carbs (total)20g36g
Fiber2.0g3.6g
Sugar1.0g1.8g
Macro Split
210kcal/svg
Protein
36%
Fat
28%
Carbs
36%
Protein Bar Rankings
Value
Rank
Protein Efficiency
9.5 g/100kcal
#105/433
Value for Money
7.8 g/$
#89/401
Leanness
2.9:1 P:F
#81/419
Low Carb
32.7g net/100g
#246/379
Fiber
3.6 g/100g
#305/366
MacroXray logoMACROXRAY
Generated on Jun 11, 2026 bymacroxray.com
YOUR PROTEIN.YOUR RULES. RANKED.
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