Fiber One
Peanut Butter Chocolate

What's in the Peanut Butter Chocolate Fiber One bar?
Fiber One's Peanut Butter Chocolate Protein Bar plays the light-but-satisfying card: 10g protein, 10g carbs, 2. 5g fat, 1g sugar, 90 calories.
The protein base is a soy-first blend supported by whey and casein, with a pinch of collagen; flavor comes from peanut flour, real peanuts, Dutch cocoa, and a little peanut oil.
To hit those macros, it leans on five refined helpers - soluble fibers and low-calorie sweeteners that provide sweetness and chew while keeping sugars low - rather than oats or dates; most people find the energy steadier, though sensitive stomachs can notice sugar alcohols.
Fat stays minimal and mostly structural, coming from palm-derived oils with small contributions from peanuts and canola. Net-net: think tidy peanut-chocolate pick-me-up, not a meal.
What are people saying?
Main praise: Fans love the math: 10g of protein for 90 calories, with a peanut-chocolate taste that feels more treat than diet bar.
Main criticism: The knocks are a muted, sometimes firm texture and the use of maltitol, which can bother sensitive stomachs, plus 10g of protein won’t satisfy heavy post-lift needs.










