Best High Fiber Protein Bars
Want more fiber with your protein? This ranking highlights the top protein bars with the highest fiber per serving. Fiber can support fullness, digestion and steady energy, making a high-fiber bar a smart choice for snacks or meal replacements. Many bars use chicory root, soluble corn fiber or oats to boost fiber while keeping sugar low. Click on a bar to see its ingredients!
Showing top 10 bars · Sorted by protein (high → low)
MET-RxPeanut Butter Granola
MET-RxChocolate Chip Granola
KirklandCookies and Cream
FITCRUNCHLoaded Cookie Bar Chocolate Deluxe
Daryl's BarsPeanut Butter Chocolate
Daryl's BarsVanilla Pumpkin Spice
MyproteinHyrox Salted Caramel
Fibre BoostLychee
Fibre BoostBanana Lollies
Fibre BoostBubble Gum
Is Fiber in Protein Bars Good?
Yes, fiber in protein bars can be very beneficial, but the type and amount matter. Dietary fiber supports digestive health, helps regulate blood sugar, and keeps you feeling full longer. Since most adults fall short of the recommended 25–38 g fiber per day, a bar with 5–10 g fiber can help close the gap.
Types of fiber. Many bars add soluble fibers like chicory root, inulin, or soluble corn fiber. These are low in calories and can help reduce spikes in blood sugar, but eating too much at once may cause gas or bloating. Oats, nuts, and seeds add natural fiber that is generally easier to tolerate.
Satiety and weight management. Higher fiber bars can slow digestion and keep you feeling satisfied, which may help reduce snacking between meals. Pairing fiber with protein makes the bar more filling than protein alone.
Digestive tolerance. While 5–10 g fiber per bar is beneficial, eating multiple high-fiber bars in one day may lead to stomach discomfort. Start with one and see how your body reacts.
Bottom line. Fiber in protein bars is good if it:
- provides at least 5 g per bar to meaningfully boost daily intake
- comes from a mix of natural sources (oats, nuts, seeds) and added soluble fibers
- is paired with 15–20 g protein for fullness and balance
- doesn’t cause digestive discomfort when eaten regularly
Fiber in protein bars can help you meet your daily nutrition goals, but balance is key. Look for bars with moderate fiber that you enjoy eating, and use them to supplement—not replace—whole food sources like vegetables, fruits, legumes, and grains.
