# TLDR Review: ONE Protein Bars - Reese's Peanut Butter

*Published: 2026-02-07 | Updated: 2026-02-07 | Source: https://shopsavvy.com/reviews-tldr/one-protein-bars-reeses-peanut-butter*

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## Product: ONE Protein Bars - Reese's Peanut Butter
**Brand:** ONE

## Pros
- The peanut butter flavor is rich, delicious, and reminiscent of classic Reese’s Peanut Butter Cups without an unpleasant aftertaste.
- Bars have a satisfying crunch and chewy, soft texture that many find enjoyable.
- Each bar packs a solid 18 grams of protein with only 3 grams of sugar, making it a nutritious option.
- Very filling and dense; a great snack to curb peanut butter cravings or hold you over between meals.
- Convenient grab-and-go option suitable for breakfast, lunch, or post-workout fuel.
- Considered high quality and superior in flavor compared to other similar products, especially Hershey’s alternatives.
- Provides excellent value when purchased in bulk as a pantry staple.
- Taste is often described as better than nostalgic 'Space Food Sticks,' but with more appeal and modern flavors.
- Highly recommended for those who prefer chewy, protein-rich bars with a candy-bar-like taste.

## Cons
- Contains maltitol, a sugar substitute that may cause significant digestive issues such as stomach cramps, excessive gas, diarrhea, and nausea for sensitive individuals.
- Side effects from maltitol can be delayed by 2-4 hours and may last several days, so trying one bar slowly is advisable.
- Not ideal to consume before important events or social occasions due to potential digestive discomfort.
- Slightly too sweet for some palates, though still enjoyable overall.
- Does not taste exactly like a peanut butter cup, so flavor expectations should be aligned accordingly.

## Bottom Line

The ONE Protein Bars in Reese’s Peanut Butter Lovers flavor offer a compelling combination of decadent peanut butter taste, high protein content, and low sugar, making them a fantastic option for snackers, athletes, or anyone craving a sweet but smart treat. However, those sensitive to sugar alcohols like maltitol should proceed with caution and test tolerance gradually to avoid unpleasant digestive side effects. If you want a dependable, tasty peanut butter protein bar with gluten-free credentials, this product stands tall. For those wary of maltitol, exploring other protein bars without this ingredient might be a safer bet.

## Pros vs Cons at a Glance

| Pros | Cons |
|------|------|
| The peanut butter flavor is rich, delicious, and reminiscent of classic Reese’s Peanut Butter Cups without an unpleasant aftertaste. | Contains maltitol, a sugar substitute that may cause significant digestive issues such as stomach cramps, excessive gas, diarrhea, and nausea for sensitive individuals. |
| Bars have a satisfying crunch and chewy, soft texture that many find enjoyable. | Side effects from maltitol can be delayed by 2-4 hours and may last several days, so trying one bar slowly is advisable. |
| Each bar packs a solid 18 grams of protein with only 3 grams of sugar, making it a nutritious option. | Not ideal to consume before important events or social occasions due to potential digestive discomfort. |
| Very filling and dense; a great snack to curb peanut butter cravings or hold you over between meals. | Slightly too sweet for some palates, though still enjoyable overall. |
| Convenient grab-and-go option suitable for breakfast, lunch, or post-workout fuel. | Does not taste exactly like a peanut butter cup, so flavor expectations should be aligned accordingly. |
| Considered high quality and superior in flavor compared to other similar products, especially Hershey’s alternatives. |  |
| Provides excellent value when purchased in bulk as a pantry staple. |  |
| Taste is often described as better than nostalgic 'Space Food Sticks,' but with more appeal and modern flavors. |  |
| Highly recommended for those who prefer chewy, protein-rich bars with a candy-bar-like taste. |  |

## Current Prices

| Retailer | Price | Availability |
|----------|-------|-------------|
| Atrium Health Wake Forest Baptist Weight Management Center Online Store | $2.15  | Check |
| Walmart | $35.98  | Check |

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*About this review: We pulled together findings from professional and user reviews, and cross-referenced them with ShopSavvy's pricing data from thousands of retailers to give you the short version.*