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ONE Lemon Cake Protein Bars (Gluten Free) – 20g Protein, 1g Sugar, 12-Count

ONE ★★★★☆ 4.5 · 2,346 reviews

Gluten-free labeling on the listing supports celiac safety in label terms, but lack of explicit gluten-free certification and facility/cross-contact details introduces some uncertainty.

🌾 Gluten-free labeled ⚠ No 3rd-party cert
$30.99
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Celiac verdict
Likely safe
Confidence
Medium
Type
Protein & snack bars
Size
12 count (pack of 1)
Price tier
Premium
Read
5 min
✅ Why it works
  • High protein per bar (20g) – appealing for post-workout or high-protein snacking
  • Low sugar (1g per bar)
  • Pleasant lemon cake flavor described as candy-like and not overly sweet
  • Soft, cake-like texture
  • Gluten-free labeling on the product listing
  • Convenient 12-count pack
⚠ Keep in mind
  • Premium price and potential price volatility
  • Some reports of stale or less fresh bars on delivery
  • Not vegan and contains dairy and soy
  • Cross-contact and facility handling not specified

Gluten safety details

Labeled gluten-free
Yes
Certifications
None documented
Ingredient risks
Contains dairy-derived ingredients (milk proteins, whey) and soy lecithin, No explicit gluten-containing ingredients listed in the provided ingredients, but the source of maltitol and other starch-derived ingredients is not specified
Cross-contact notes
No facility or cross-contact information provided in the supplied data

Gluten-free labeling on the listing supports celiac safety in label terms, but lack of explicit gluten-free certification and facility/cross-contact details introduces some uncertainty.

Contains dairy-derived ingredients (milk proteins, whey) and soy lecithin No explicit gluten-containing ingredients listed, but no facility/cross-contact details provided No GF certification disclosed

What to expect

A high-protein, low-sugar gluten-free snack with a lemon cake flavor and a soft, cake-like texture. Contains dairy ingredients and soy; may include sugar alcohols. Packaging varies and some batches may arrive stale according to reviews.

👍 Best for
  • On-the-go high-protein snacking
  • Post-workout recovery
  • Low-sugar protein bar option among competing bars
👎 Not ideal for
  • Vegetarians/vegans due to dairy content
  • Those needing certified gluten-free or cross-contact assurances
  • Budget-conscious shoppers due to premium price

The full guide

Overview and Key Facts

ONE Lemon Cake Protein Bars are gluten-free labeled and come in a 12-count package. Each bar weighs 2.12 oz and provides 20g of protein with 1g of sugar, making it a high-protein, low-sugar option among gluten-free snacks. The ingredients include dairy proteins (milk protein isolate, whey protein isolates/concentrates) and various sweeteners and starch derivatives. The product is marketed with a lemon cake flavor and a candy-like taste, and the packaging may vary between batches.

Taste, Texture, and Eating Experience

Reviews highlight a pleasant lemon cake flavor that many describe as candy-like and not overly sweet. The texture is noted to be soft and cake-like, which many snackers find appealing for a protein bar substitute. Some batches, however, may arrive less fresh or stale, which can affect the overall eating experience.

Gluten Safety and Allergens

The product carries gluten-free labeling, which supports gluten-free claims on the packaging. There is no explicit gluten-containing ingredient listed, but the data notes dairy ingredients and soy lecithin present in the formula, and cross-contact details or facility information are not provided. Certification information is not disclosed in the supplied data.

Nutrition, Ingredients, and Allergen Snapshot

Per bar, the product delivers 20g of protein and 1g of sugar, with dairy proteins dominating the ingredient list (milk protein isolate, whey protein isolate/concentrate). The bar also contains sugar alcohol (maltitol), glycerin, various starches and sweeteners, and a 2% or less list of ingredients such as natural flavor and lecithin (soy). It is not vegan due to dairy ingredients and soy presence.

Who It's For and Who Might Not Love It

This bar is well-suited for on-the-go individuals seeking a high-protein snack or post-workout option that is gluten-free. It appeals to those who don’t need a vegan product and are comfortable with dairy and soy ingredients. It may be less ideal for budget-conscious shoppers or anyone seeking certified gluten-free facilities or stricter cross-contact assurances.

Value, Price, and Where It Fits in Your Pantry

The 12-count package is listed at $30.99, which reflects a premium price point. Some listings show lower prices, and prices can vary by seller or promotions. The 12 bars provide a convenient pantry staple, but value perceptions vary among buyers based on price sensitivity and freshness.

Freshness, Storage, and Delivery Notes

Consumer feedback includes reports of bars arriving stale or less fresh in some shipments. This can influence satisfaction beyond flavor and texture. Proper storage and careful selection from reputable sellers may help mitigate freshness concerns.

Takeaways and Quick Guide

If you want a gluten-free, high-protein snack with a lemon cake flavor, this bar delivers 20g protein and 1g sugar per bar. Expect a soft, cake-like texture and a candy-like taste, with dairy and soy ingredients. Be mindful of potential freshness issues and the premium price, and note that the product does not disclose gluten-free certification or facility details.

What shoppers say

💚 People liked

⚠ People flagged

Some buyers report bars arriving stale or not fresh
Perceived price as high / not budget-friendly
Contains dairy and soy; not suitable for vegan or dairy-free needs

Key takeaways

  • Great for high-protein, gluten-free snacking with lemon cake flavor
  • Expect a soft, cake-like texture and candy-like taste
  • Be mindful of the premium price and potential freshness issues
  • Contains dairy and soy; not suitable for vegans or dairy-free diets
How we assess this: Gluto summarizes manufacturer labeling, listing data, and community signals — it is not a medical guarantee. Always read the current label and confirm with the manufacturer before purchase, especially for celiac disease.

Evidence gaps for this product:
  • No explicit gluten-free certification (GFCO/NSF) shown in the supplied data
  • No facility or cross-contact details provided
  • No independent lab test results available in the supplied data
Likely Safe ONE Lemon Cake Protein Bars (Gluten Free) – 20g Protein, 1g Sugar, 12-Count $30.99
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