Fulfil Nutrition
Chocolate Peanut Butter
TL:DR
In 2 Sentences
It’s a candy-bar doppelgänger with 20g of protein and a built-in vitamin boost—now made with real Reese’s peanut butter—while keeping sugar low via sugar alcohols.
When to choose Fulfil Nutrition Chocolate Peanut Butter
Choose this when you want a dessert-like post-workout or 3 p. m.
snack that hits 20 grams of protein without a sugar surge, and you’re fine with a more engineered ingredient list.
What's in the Fulfil Nutrition bar?
Fulfil’s Chocolate Peanut Butter bar reads like a candy bar but eats like a protein snack.
The 20g of protein come from milk proteins backed by collagen peptides, while the chocolate notes are built from cocoa (milk and white “no added sugar” chocolate, cocoa butter/cocoa mass) and the peanut butter hit comes from roasted peanut pieces, peanut paste, and peanut flavor.
Carbs skew low because the sweetness leans on sugar alcohols and a synthetic fiber rather than table sugar, and fat comes from a trio of cocoa butter, palm fat, and peanuts.
The surprise on the label is the vitamin panel—about 30% Daily Value of several Bs plus C and E—delivered via fortification rather than whole-food sources.
- Protein
- 20 g
- Fat
- 10 g
- Carbohydrates
- 15 g
- Sugar
- 2 g
- Calories
- 214
Protein
2015HIGHThis bar gets its 20g of protein primarily from milk proteins (a concentrated dairy protein), with a supporting dose of collagen peptides. Dairy is a complete, highly digestible protein; collagen is not complete on its own, so the milk component is what covers essential amino acids. Big picture: high protein, with quality driven by the milk portion.
Fat
109MIDThe 9.9g of fat come from cocoa butter in the chocolate, refined palm fat, and naturally oily peanuts. That’s a mix of saturated fats (palm and cocoa butter) and unsaturated fats from peanuts; notably, cocoa butter’s stearic acid is considered relatively neutral for LDL compared with other saturates. Result: satisfying richness with a moderate saturated‑fat presence.
Carbs
1520LOWAt 15g, carbs are on the lower side and come mostly from engineered ingredients rather than grains: polydextrose (a manufactured soluble fiber), maltitol in the “no added sugar” chocolate, and a little lactose from dairy. This blend tends to steady blood sugar more than a sugar‑syrup base, though sugar alcohols can bother sensitive stomachs at higher intakes. Expect even energy, not a spike‑and‑crash.
Sugar
24MIDSugar is low at 1.6g because sweetness comes largely from sugar alcohols and high‑intensity sweeteners rather than table sugar. Maltitol supplies bulked sweetness in the chocolate coatings, glycerol adds mild sweetness and moisture, and a tiny amount of sucralose finishes the flavor. The trade‑off is that these are highly refined ingredients and, for some people, larger servings can cause GI rumbling.
Calories
214210MIDAt 214 calories, it sits near the middle of the category. Most of the energy comes from protein and fat; carbs contribute less because some are lower‑calorie polyols and fiber. It tastes indulgent but fuels like a protein‑forward snack.
Vitamins & Minerals
You’ll see roughly 30% Daily Value of several B‑vitamins plus vitamin C and E. That’s primarily from an added vitamin premix (niacin, riboflavin, B6, thiamin, folic acid, B12, pantothenic acid, vitamin C, vitamin E), not just the peanuts or dairy. Helpful for topping up gaps, with the caveat that it’s fortification rather than a whole‑food vitamin source.
Additives
To deliver chocolate‑peanut‑butter flavor with very little sugar, Fulfil leans on modern additives. Polydextrose adds fiber and body, glycerol keeps the bar soft, maltitol sweetens the “no added sugar” chocolate while lecithin emulsifies it, and a pinch of sucralose fine‑tunes sweetness. It’s a more refined ingredient list than a minimal‑ingredient bar—trading simplicity for candy‑bar texture and taste.
Ingredient List
Corn or wheat
Cocoa beans
Cow's milk
Ground roasted cocoa bean nibs
Cow's milk
Bovine, porcine, fish, chicken tissues
Vegetable oils and animal fats
glucose
Oil palm fruit
Groundnut plant seeds
What are people saying?
Sources
Range
“I love fulfil bars 🤤 my fave is the chocolate peanut & caramel. Tastes just like a snickers”
“Very similar to a Snickers bar!”
“They aren’t super high in protein but they legit taste like a candy bar they are amazing. Chocolate salted caramel is my favorite.”
Main Praise
Taste carries this bar.
Food & Wine’s panel crowned a Fulfil flavor the best chocolatey bar, noting it could pass for a Snickers, and plenty of Redditors echo that sentiment with the Chocolate Peanut Butter and Chocolate Salted Caramel flavors.
Even self-professed protein-bar skeptics say it doesn’t taste “chemical” and has the soft, nougat-forward chew people want in a candy bar.
The macro story holds up too: a strong 20g of protein built on milk protein, not just collagen, and a low sugar count that keeps energy steadier than a syrupy bar.
The vitamin panel is a pleasant bonus—roughly 30% Daily Value of a few Bs plus C and E—useful for topping up day-to-day gaps. In short, it’s one of the rare bars that satisfies a sweet tooth without tasting like a compromise.
Main Criticism
Not everyone is sold. A few tasters pick up a faint artificial or protein-y aftertaste, and one reviewer found the caramel layer too chewy and the build a bit dense.
Several buyers note the bars can feel smaller than expected and, for some, not very filling as a standalone snack. And while the sugar stays low, that’s thanks to sugar alcohols and a manufactured fiber—ingredients some folks prefer to avoid or find tough on the gut in larger amounts.
A minority also argue the macros aren’t standout compared with certain competitors, especially if you prioritize size-for-calories or ultra-simple ingredients.
The Middle Ground
So where does the truth land? If taste is king, Fulfil sits near the top: the chocolate–peanut butter combo reads like candy, and that’s hard to fake.
The protein quality checks out too—milk protein covers essential amino acids, with collagen along for texture and extra grams—so you’re getting real muscle-supporting protein. But satiety is personal; at 214 calories for the Chocolate Peanut Butter bar we reviewed, this isn’t a meal, and the engineered carb sources won’t keep everyone full for hours.
Sugar alcohols and polydextrose help control sugar, yet they’re also the reason sensitive stomachs might grumble.
And yes, one Redditor fumed about the bar feeling smaller than it used to—maybe a bad parking-lot moment, but there are enough similar notes to say expectations around size should be managed.
Net-net: it’s a dessert-leaning protein bar built for joy first, with solid macros riding shotgun.
What's the bottom line?
Fulfil’s Chocolate Peanut Butter bar wins on flavor, then backs it up with 20g of milk-driven protein, low sugar, and a little vitamin safety net. If your goal is a sweet, candy-bar-style protein hit that won’t spike your blood sugar, this is a smart, genuinely enjoyable pick. If you need serious staying power or want a short, whole-food ingredient list, you may want to pair it with fruit or yogurt—or choose a simpler bar altogether.
And if sugar alcohols don’t love you back, consider that your deciding factor. Listicle-ready takeaway: A candy-bar-tasting protein bar with 20g of protein, low sugar, and a bonus vitamin panel. Best for dessert-like snacks after the gym or during the afternoon slump—less ideal if you avoid sugar alcohols or want a big, ultra-filling bar.