Special K (Kellogg’s)

Chocolate Peanut Butter

Special K (Kellogg’s) Chocolate Peanut Butter protein bar product photo
12g
Protein
8g
Fat
19g
Carbs
6g
Sugar
180
Calories
Allergens:Milk, Tree Nuts, Peanuts, Wheat, Soybeans
Diet:Vegetarian
Total Ingredients:33

TL:DR

In 2 Sentences

A cereal‑bar–style “meal” bar that keeps calories down with soy‑based protein, vitamin/mineral fortification, and modern low‑calorie sweeteners—so it eats like a snack bar but brings a moderate protein boost.

When to choose Special K (Kellogg’s) Chocolate Peanut Butter

Reach for it as a quick, portion‑controlled snack or a bridge between meals when you want a chocolate‑peanut‑butter fix plus 12g of protein. Not ideal if you’re chasing 20+ grams post‑workout or you’re sensitive to sugar alcohols.

What's in the Special K (Kellogg’s) bar?

Chocolate Peanut Butter is exactly what it tastes like here—peanuts and peanut butter for the nutty backbone, semi‑sweet chocolate and alkalized cocoa for the chocolatey hit.

The protein leans plant‑based via soy protein isolate, with a small assist from whey, while the sweetness comes more from modern sweeteners (polydextrose fiber, sugar alcohols, glycerin, and a touch of stevia) than from straight sugar.

You get moderate fat from peanuts plus added oils (soybean and palm), and a surprising amount of added vitamins and minerals. Big picture: this is a candy‑bar‑style build made lighter on calories and sugar by fortification and sweetener technology rather than whole‑food carbs.

Protein
12 g
Fat
8 g
Carbohydrates
19 g
Sugar
6 g
Calories
180
  • Protein

    12
    15
    MID

    Most of the 12g of protein comes from soy protein isolate—a highly refined but complete plant protein—supported by a small amount of whey. Soy isolate digests well and covers all essential amino acids, though it’s a notch below whey for amino acid quality; the whey adds dairy, so this isn’t soy‑ or milk‑free. The blend keeps the bar vegetarian and delivers a moderate protein boost without much fat.

  • Fat

    8
    9
    MID

    Eight grams of fat are a mix of whole‑food and added sources: peanuts and peanut butter (mostly unsaturated), plus soybean oil, palm/palm kernel oil, and a bit from chocolate’s cocoa butter. That means a balance of unsaturated fats with some saturated fat from palm and cocoa butter—not extreme, but more processed than, say, olive or avocado oil. The nut fats help soften the profile, while the added oils keep texture stable.

  • Carbs

    19
    20
    MID

    These are mostly ‘designed’ carbs rather than oats or fruit: quick energy from corn syrup and cane sugar is dialed back with polydextrose (a synthetic soluble fiber), sugar alcohols (maltitol, sorbitol), and a little glycerin to keep the bar soft. Expect faster energy up front with a steadier tail thanks to the fiber, protein, and fat. If you’re sensitive to sugar alcohols, multiple servings in a day can be uncomfortable.

  • Sugar

    6
    4
    MID

    Only 6g of labeled sugar, mostly from cane sugar in the chocolate and a touch of corn syrup, with a bit of milk sugar from whey. The sweetness you taste largely comes from sugar alcohols (maltitol and sorbitol), glycerin (a plant‑derived syrup), and stevia (a zero‑calorie sweetener), which hold the sugar number down. That typically means a gentler blood‑sugar rise than a candy bar, though polyols can cause gas or bloating for some people.

  • Calories

    180
    210
    LOW

    At 180 calories, it’s lighter than many protein bars. Calories are spread across moderate fat (peanuts, oils, cocoa butter), soy‑based protein, and carbs that include low‑calorie bulkers (polydextrose) and sugar alcohols—partly why the count stays down compared with bars sweetened only with sugar. In short, fewer calories without going ultra‑low‑fat.

Vitamins & Minerals

Those hefty %DVs—vitamins A, C, E, calcium, and iron at about 25% (plus 10% vitamin D)—come from fortification, not from the peanuts or cocoa. The ingredient list calls out calcium carbonate, iron, vitamin A palmitate, vitamin C, vitamin E acetate, and vitamin D3. Whole‑food ingredients contribute a little, but the double‑digit numbers are from the premix.

A
25% DV
C
25% DV
E
25% DV
Calcium
25% DV
Iron
25% DV

Additives

This bar leans on modern helpers for texture and sweetness: polydextrose (a lab‑made soluble fiber), sugar alcohols, glycerin (keeps things moist), soy lecithin (emulsifier), and pectin (binder), plus stevia for an extra sweet lift. They keep sugar and calories in check and the bite soft and stable—but they’re more processed than whole‑food binders. If you’re sensitive to sugar alcohols, try one bar and see how you feel.

Ingredient List

Plant Proteins
Soy protein isolate

Defatted soybean flakes

Additive
Polydextrose

glucose

Sugar
Corn syrup

Field corn starch

Nuts & Seeds
Peanut

Groundnut plant seeds

Plant Proteins
Soy

Soybeans

Fats & Oils
Palm fat

Oil palm fruit

Sugar
Sugar (sucrose)

Sugarcane and sugar beet

Additive
Maltitol

Corn or wheat

Sugar
Cane sugar

Sugarcane stalks

Cocoa & Chocolate
Chocolate

Cacao beans

What are people saying?

Sources

Range

I recently bought some strawberry special k protein bars while on vacation and I forgot how good they were! Then I looked at the nutrition label and it was 9g fiber and 12g of protein.
u/Unknown
Direct user post
The special k protein bars are pretty good, I think 12 grams of protein for a little less than 200 calories.
u/Unknown
Direct user comment
You should try the strawberry special k ones if you haven't already!
u/Unknown
Direct user comment

Main Praise

Fans like that it’s easy to find, fairly priced, and surprisingly more “cereal bar” than “gym brick. ” Several reviewers call out the texture—chewy with a pleasant crisp—along with a chocolatey flavor that actually scratches the itch, especially in the Chocolate Peanut Butter lane.

For a light breakfast or on‑the‑go snack, people say it can curb hunger until the next meal, which makes sense given the 12g of protein and some added fiber. Independent reviewers have noted there’s no lingering chemical aftertaste, a common complaint with other lower‑sugar bars.

And while the protein number won’t turn heads, it’s a friendlier entry point than heavy, chalky bars for folks who simply want something better than a candy bar.

Main Criticism

The loudest critique: calling this a “meal bar” oversells it—12g of protein won’t be enough for many to qualify as a full meal. Taste and texture are polarizing across flavors; some find certain batches dry, mealy, or overly sweet, and a few Redditors say recent bars seem thinner or less consistent.

Because sweetness leans on sugar alcohols and other low‑calorie bulking agents, sensitive stomachs may notice bloat if they double up. Ingredient quality is another sticking point—think isolates, syrups, and added oils—which critics argue pushes it into ultra‑processed territory.

The Middle Ground

So which is it: a secretly great snack or a dressed‑up cereal bar with a protein halo? The truth sits in the middle.

If you treat it like a snack, it mostly delivers—tasty to many, easy to toss in a bag, and light enough for mornings when breakfast is a moving target. If you expect a 20+ gram, whole‑food‑leaning protein bar, you’ll be let down.

One Redditor joked they’d rather just eat a cookie; fair, cookies are delightful—this bar just tries to soften that choice with protein and added vitamins. Meanwhile, the Human Food Bar piece scolds the processing, while Cheat Day Design notes the pleasant cereal‑bar texture; both can be true.

The deciding factor is your priority: convenience and flavor at 180 calories, or ingredient minimalism and higher protein?

What's the bottom line?

Special K’s Chocolate Peanut Butter Protein Meal Bar is best seen as a dependable, supermarket‑easy snack: 180 calories, 12g of protein, chocolate‑peanut‑butter flavor that many genuinely enjoy, and a texture that eats more like a treat than a chore. The lighter sugar count comes from low‑calorie sweeteners and fiber‑like ingredients, which help keep calories in check but may not sit well with everyone. ” If you want maximum protein, minimal processing, or strict diet constraints, this isn’t your bar.

If you want a portable, satisfying bridge between meals—and you tolerate sugar alcohols—it’s a practical pick. Just note the allergens (soy, milk, peanuts, wheat, almonds) and consider pairing it with yogurt or a latte if you’re trying to stretch it into a true breakfast.

Other Available Flavors