Fit Crunch Protein Bar
Tastes great, which is exactly the problem. Stacked sweeteners and modest protein content per the nontoxicdad label investigation mean your money buys candy, not protein. Buy the Kirkland Signature Protein Bar instead.
Consolidated from 8 independent outlets
Where the cited sources landed, as we read them
- 7 positive sources
- 1 mixed source
10 of 12 research runs entered this as a product to avoid rather than a pick.
A nontoxicdad label investigation calls out stacked sugar alcohols and multiple forms of sugar, and its protein content is modest for a category where 20g is standard. Candy-bar nutrition wearing a protein halo.
Flagged 17 September 2026
Pros & cons
- ✓ A favorite for taste and texture among r/snacking tasters
- ✓ A cross-shop magnet, especially at warehouse clubs
- ✓ Has real fans among Costco shoppers
- ✓ Widely available and heavily cross-shopped
- ✓ Tastes good; a Reddit commenter calls it a personal favorite
- ✗ Stacks sugar alcohols and multiple forms of sugar, per a label investigation
- ✗ Protein content is modest for a category where 20g is standard
- ✗ Criticized for leaning on sugar alcohols and multiple forms of sugar
- ✗ Criticized for inflammatory ingredients that undermine its healthy positioning
- ✗ Barely appears in expert testing; its reputation rests on marketing and availability
The sources behind this ranking
We searched the web and YouTube for what has been published about this product, then read the articles, video transcripts and comments we found.
Evidence 3 articles, 3 video reviews and 2 community sources
7 positive sources
This is the perfect snack for all your on-the-go autumn activities: back-to-school, football games and so much more. Best of all, a portion of every purchase benefits Komen's mission to end breast cancer forever.View post T Trey Jones Trey Jones · 120K subscribers · Jan 2017
This is fairly cheap for the size and quality at a price around $1.80 or so.Watch C
As I revealed in my list of the best protein bars ranked, Robert Irvine’s Fit Crunch is my favorite protein bar brand of them all.Read V vwarburton vwarburton · 4.5K subscribers · Aug 2019
I took a taste of the Robert Irvine Fit Crunch Bar and this is not one you want to miss. It definitely competes with the PowerCrunch bar but on a different level. Check out the full review for more information!Watch C r/Costco reddit.com
Robert Irvine’s FITCRUNCH bars are the best, IMO. I get both the chocolate chip mint and the chocolate peanut butter flavors.Read thread A Average Dude TV Average Dude TV · 2K subscribers · Sept 2017
Robert Irvine's Fit Crunch Protein Bars are one of my all time favorites, especially the chocolate peanut butter flavor!Watch L
It tasted like a treat… with 16g of protein & low sugar as the permission slip.Read
Frequently asked questions
It ranks #14 of 16 on our protein bars tier list, in F tier. That placement draws on 8 independent outlets.
None of the 8 sources with a clear view is critical of it. Stacks sugar alcohols and multiple forms of sugar, per a label investigation. Protein content is modest for a category where 20g is standard. Criticized for leaning on sugar alcohols and multiple forms of sugar. Criticized for inflammatory ingredients that undermine its healthy positioning. Barely appears in expert testing; its reputation rests on marketing and availability.
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