"Protein bars are becoming really, really popular. The multibillion-dollar protein-bar industry is projected to grow to over 7 billion by 2029 - so it's no surprise there are a lot of bars on the market. But they can't all be winners. And they don't always taste great. To help find which is the best to buy at the grocery store, I bought protein bars in similar flavors from six different brands to review."
"All six of the bars advertise 20 grams of protein and contain between 200 and 290 calories. Of them, only the top two tasted like something I'd want to eat again. Here's my ranking, from my least favorite to my top pick. Editor's Note: This story was originally published on April 23, 2024, and most recently updated on August 28, 2025. Product availability may vary."
"Although none of the bars tasted much like peanut butter - a revelation so surprising that I doubted my taste buds and cross-referenced with some actual peanut butter - the One bar, especially, tasted nothing like it to me. In my opinion, it tasted more like chewing gum, except with a grainy texture and a somewhat unpleasant, almost medicinal aftertaste."
Six protein bars from One, Think!, Quest, Pure Protein, Clif Builders, and Barebells were purchased and sampled in similar flavors, focusing taste over nutritional metrics. All advertised 20 grams of protein and ranged from about 200 to 290 calories. Only two bars were described as worth eating again. The Barebells bar emerged as the top pick and compared favorably to candy in taste. The Clif Builders bar was enjoyable but relatively high in calories. The One peanut-butter-pie bar had a grainy, medicinal aftertaste and was compared unfavorably to actual peanut butter.
Read at Business Insider
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