Protein & Food · Protein Bars
ONE Birthday Cake Protein Bars, 20g Protein, Gluten Free Snacks, 12 ct
Chewy rather than chalky, which matters when nothing appeals.

ONE
4.4 (5,831 ratings) · LeanScore 69
$24.99
Price checked Aug 22, 2026What it costs to use
About $2.08 per 20 g protein
The listing states 12 servings. At one serving a day that is about $62.48 a month. Worked out from the price we last checked ÷ the servings the label states.
9 g protein per 100 calories (20 g in 220 kcal, as stated)
Who should skip this
You avoid sugar alcohols.
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Our verdict
Reviewed by the LeanFed team · Hilly Shore Labs · Updated Aug 22, 2026 · Price checked Aug 22, 2026
Synthesized from public specs and 1,736 buyer mentions. We research and compare — we don't test products.
Get it if
When sweet is the only thing that appeals and you still want the protein.
What owners praise
- Protein Content
What they flag
- Freshness
- Color
- Taste
- Value for money
- Sugar Content
Buyers praise protein content. Mixed feedback on taste and value for money. Some flag freshness and color.
The LeanScore, unpacked
Our published method blends real owner satisfaction with in-category value. No hidden math.
Specifications
- Protein/bar
- 20 g
- Total sugars
- 1 g
- Pack size
- 12 bars
- Calories/bar
- 220
- Fiber/bar
- 7 g
Specs from the manufacturer listing and public product data; confirm the current listing before buying.
Manufacturer's claims (from ONE)ShowHide
- BIRTHDAY CAKE PROTEIN: Enjoy a protein packed ONE birthday cake flavored bar for breakfast or lunch or bring it with you to the office or gym, golf course, or for a pre- or post-workout snack
- WHEY PROTEIN ISOLATE: Try our delicious gluten free protein bars packed with 20 grams of whey isolate protein and 1 gram of sugar per bar
- ON THE GO PROTEIN: ONE protein bars are perfect for enjoying while hiking, golfing, traveling, family gatherings, after the gym, and all the ordinary days in-between
- KOSHER HIGH PROTEIN BARS: Party all year long with ONE birthday cake flavored protein bars
- THE ONE PROTEIN BAR: Discover all the mouthwatering, high-protein bars from ONE! Whether you're craving our classic core flavors, limited-edition options, or even a Hershey's ONE Reese's Peanut Butter Lovers Bar, weve got something for every taste. Packed with protein and flavor, these bars are perfect for fueling everyday. Try them all and find your next pantry staple today!
Marketing copy as listed by the manufacturer — not our assessment.