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🍫 Fuel your gains with flavor that flexes!
C4 Whey Protein Powder delivers 25g of high-quality whey protein per serving in three irresistible flavors, including iconic Reese's Peanut Butter & Chocolate. Designed for muscle growth and recovery, it contains zero added sugar and blends smoothly without clumping. Gluten-free and caffeine-free, this 28-serving powder is a top choice for fitness enthusiasts seeking a delicious, macro-friendly protein boost.



| ASIN | B0DJB9VYF3 |
| Age Range Description | Adult |
| Allergen Information | Milk, Peanuts |
| Best Sellers Rank | #6,849 in Health & Household ( See Top 100 in Health & Household ) #45 in Sports Nutrition Whey Protein Powders |
| Brand | C4 |
| Brand Name | C4 |
| Caffeine Content Description | Caffeine Free |
| Customer Reviews | 4.6 out of 5 stars 1,167 Reviews |
| Diet Type | Gluten Free |
| Flavor | REESE'S Peanut Butter & Chocolate |
| Global Trade Identification Number | 00842595135909 |
| Item Weight | 2 pounds |
| Manufacturer | Nutrabolt |
| Manufacturer Part Number | CE-PW28RPB |
| Model Number | CE-PW28RPB |
| Number of Items | 1 |
| Product Benefits | Muscle Growth |
| Protein Source | Whey |
| Recommended Uses For Product | Muscle Growth, Muscle Recovery, provide protein |
| Supplement Formulation | Individual Supplement |
| UPC | 842595135909 |
| Unit Count | 39.7 Ounce |
M**R
Five stars — Reese’s lovers, just get it!
This protein powder is honestly amazing — a total 5‑star product that delivers on flavor, mixability, and performance. If you love Reese’s, this is basically a dream come true in protein form. The taste is shockingly spot‑on: rich peanut butter, smooth chocolate, and none of that weird artificial aftertaste most protein powders have. It mixes easily in both water and milk, no clumps, no chalkiness, and the texture stays creamy instead of gritty. I love using it for shakes after the gym, but it’s also perfect in overnight oats or blended with ice for a dessert‑like treat. Energy and recovery feel great with this — it’s a solid whey formula that helps keep me full and supports muscle repair without upsetting my stomach. And the best part? It feels like a treat without blowing your macros. If you want a protein powder that tastes incredible, keeps you consistent, and makes hitting your goals easier, this one is absolutely worth it.
B**I
Doesn't clump, taste great, and doesn't mess up my stomach
So I bought this knowing very well Reese's isn't my favorite chocolate but I'm trying different proteins out. The price point is at par for what proteins are going for. It mixes very well and I'm a fan of how it doesn't clump up around the bottle an mixes with ease. Best of all, it doesn't mess up with my stomach like the muscle milk protein powder. I loveee the taste and I would buy this again if it goes on sale again
S**E
Great flavor, decent value.
7-18-26 the flavor is fantastic. So similar to a real Reese’s cup it’s like a dessert. Blends well with minimal clumping, in a blender bottle. Pretty good deal per scoop at $82 p 5.85lbs. Keeps me full for a long while when mixing in fairlife whole milk. Happy customer.
J**T
good taste
good buy, good taste, mixes well
J**H
Good value when on sale
Good tasting protein bought on sale for a decent price. Mixes easily and tastes decent but nothing stands out flavor-wise to make it memorable or a must-order compared to other Whey I've used.
W**.
ADDICTED TO THIS FLAVOR!!
Container got a few dents in it during shipping. No big deal, easily reshaped after opening. Low sugar for such an amazing and addictive flavor!! Cures craving for sweets/desserts and keep you full. Great quality and value for the money. Included scooper for easy to measure serving size while staying clean. Will definitely buy again.
M**H
Yum!
Great texture, dissolves easily, and of course Reese's offers that unbeatble peanut butter and chocolate flavor combo. Highly recommend!
E**D
Best chocolate peanut butter protein mix under 150 calories.
I have had quite a few brands of chocolate peanut butter proteins and this is by far the closest tasting to the Reese’s candy. Ordered the smaller tub to try it out and loved it. Bought the bigger $80 tub and am already 3/4 of the way done with it and have a smaller tub already for when this one runs out soon. I use this not only as a protein shake but I substitute milk in my protein cereals with this protein mixed with water. 12 oz of water and this mixed in gave me great results when used as “cereal milk” (loved mixing it with both Catalina crunch and ghost protein cereal together for the ultimate cereal bowl). Also use this for my ninja creami ice creams mixed with Pbfit powder mixed and love that ice cream and enjoy it at least twice a week. If you are into Reese’s and looking for a protein to try that is versatile then this is a great one to try.
Trustpilot
1 week ago
2 weeks ago