Signature 100% Whey Protein Signature

Signature 100% Whey Protein

25g of Muscle-Building Whey Protein*
Blend of 3 Types of Whey for Ultimate Muscle Growth and Recovery*
8.8  out of 10  (629 Reviews)
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Product Overview Signature 100% Whey Protein

Whey protein is the most important weapon in your muscle-building arsenal. It promotes muscle growth, counteracts muscle breakdown, and supports your workout recovery.*

Bonus: It’s also easy to digest and a source of powerful BCAAs.* Our Signature 100% Whey Protein combines three hard-hitting types of protein in one powerful blend. It’s perfect first thing in the morning, between meals, and especially after your workout. It’s so delicious, it’ll also slay that sweet tooth! Signature 100% Whey Protein tub


25g Whey Protein. 6g Hydrolysate. 13g Isolate. 6g Concentrate.


Great for low-carb diets, low in fat, and easily digested.*


Concentrate has a more balanced amount of proteins, carbs, and fats to fuel your workouts.*


This whey protein has been hydrolyzed, or broken down into strings of amino acids called peptides, for even faster absorption than standard whey!*


These enzymes help with the digestion of your protein.* In fact, they are clinically studied and shown to increase the uptake of amino acids into the blood by 20% compared to whey protein given alone.* Athlete

A signature is a promise. A symbol of your identity. Your mark on the world. In 1999, was founded on a single promise: Trust. It’s who we are and it’s in our blood. Our Signature line is built on the same promise. Every product is no-BS, transparent, filler-free, and formulated with effective doses of research-backed ingredients you can trust. We create the highest quality supplements, so you can focus on leaving a mark of your own.


Signature products are formulated with high quality ingredients at effective doses that we’re proud to share with you. We don’t hide anything in a “proprietary blend”, so you always know exactly what you’re putting into your body.


An effective dose is the amount of an ingredient that has been shown to deliver results. Some supplement brands add a sprinkle of an ingredient just so they can say it’s in the product. Signature supplements always include enough to get the job done.


Trendy, flash-in-the-pan ingredients come and go. But time-tested, gym-proven ingredients are what you need to help you achieve your fitness goals. That’s what you’ll find in Signature products because that’s what works.


Ratings & Reviews

Signature 100% Whey Protein
Overall Rating
629 Ratings
Verified Buyer Rating
541 Ratings
Average Flavor Rating
6 Flavors
Top Rated Flavor
Birthday Cake
By clicking the button above, you agree to entering the Reviews section. Products in the Store are not intended to diagnose, treat, cure, or prevent any disease.
Dec 11, 2019
  • 10 Strawberry

Best tasting strawberry protein shake I've ever had. Taste like strawberry milk. Can't wait to try different flavors.

Dec 08, 2019
Verified Buyer
  • 6 Chocolate

Ordered both the chocolate and the oatmeal cookie. Both taste good but are VERY sweet! I love sweets but my wife and I water it down so we dont have that syrupy taste in the back of our mouth after.

Dec 07, 2019
Verified Buyer
  • 10 Mocha Cappuccino
  • 9 Oatmeal Cookie

I recently switched from ON Gold Standard and gave BB whey a shot and it did not disappoint. The oatmeal cookie, albeit a little on the sweet side for my liking, has a great cinnamon taste. If you like coffee, I find the mocha cappuccino is a must try. Great tasting product!

Dec 03, 2019
Verified Buyer
  • 5 Chocolate

The Protein is too sweet, I wish they can lower the sugar content in the protein.

Nov 30, 2019
Verified Buyer
  • 8 Strawberry

Strawberry tastes just like Muscle Milk's Strawberry. It's almost Nesquik Strawberry good. Definitely a step above your typical Pepto Bismol strawberry powder crap. Worth a try. Oatmeal Cookie (a.k.a. Syntha 6 Cinnamon Bun) is still my fav.

Nov 22, 2019
Verified Buyer
  • 9 Mocha Cappuccino
  • 10 Oatmeal Cookie

Mocha Cappuccino tastes great but mixes horribly in a glass. Have also had Oatmeal Cookie which also tastes great, but for some reason mixes great in a glass. Not sure why these two flavors mix differently?

Nov 20, 2019
Verified Buyer
  • 10 Oatmeal Cookie

One of the best tasting protein powders I’ve ever tasted, along with the great protein to calorie ratio this product is hard to beat. Definitely will buy again!

Nov 18, 2019
Verified Buyer
  • 10 Oatmeal Cookie

The oatmeal cookie flavor is one of the best tasting protein powders I've ever tasted. It gets really creamy when you whip it up in the blender with almond milk and ice.

Nov 11, 2019
  • 10 Birthday Cake


Nov 10, 2019
Verified Buyer
  • 10 Birthday Cake
  • 5 Oatmeal Cookie
  • 9 Vanilla

I love the product. It mixes well, tastes good. The bday cake is so amazing, I can’t get enough. I was an ON Gold Standard consumer for years and this got me to switch.

Oct 31, 2019
Verified Buyer
  • 8 Oatmeal Cookie
  • 8 Birthday Cake

Mixed in well, no issues with it. Oatmeal cookie was good but not WOW. Has some nice cinnamon flavor. Birthday cake had real sprinkles in it but was just a good vanilla flavor. I mix my protein with water as I don't want the extra calories of milk, but I will try some unsweetened almond milk soon. I think it would boost the flavor. Overall, not sure if I would get again or go with a different brand or flavor.

Oct 30, 2019
Verified Buyer
  • 10 Oatmeal Cookie

First time buyer and tryer of this brand and flavor. Brand overall, is amazing. Really enjoying the progress I'm getting while using this supplement. The oatmeal cookie flavor is really good! Can't wait to try other flavors!

Oct 29, 2019
Verified Buyer
  • 6 Mocha Cappuccino
  • 10 Strawberry

I love the strawberry protein but the mocha capouccino flavor is pretty off.. i dont understand why the reviews are so high... wont be buying that flavor again.

Oct 24, 2019
Verified Buyer
  • 10 Vanilla

Vanilla is my favourite flavour because it’s so versatile with green smoothie bowls. Signature brand is the best. All the supplemental protein I need plus it makes thick shakes that taste great even with water. It makes smoothies the consistency of ice cream. I love it. The price is great!!

Oct 24, 2019
Verified Buyer
  • 7 Oatmeal Cookie

Flavor is good very light not very sweet. I mix with water in blander and still has a few issues mixing. Good budget protein when it’s on sale

2 Sizes
5 Lbs.
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5 Flavors
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Price: $39.99  ($0.60 / Serving)
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Flavor Rating: 8.4

What's in Signature Signature 100% Whey Protein

5 Lbs. Chocolate
Serving Size (34g)
Servings Per Container67
Amount Per Serving
Calories 130       
Calories from Fat 15       
% Daily Value *
Total Fat 2 g 3%
Saturated Fat 1 g 5%
Trans Fat 0 g       
Cholesterol 45 mg 15%
Sodium 160 mg 7%
Total Carbohydrate 3 g 1%
Dietary Fiber 1 g 4%
Sugars 2 g       
Protein 25 g 50%
Vitamin A 0%
Vitamin C 0%
Calcium 10%
Iron 4%
* Percent Daily values are based on a 2,000 calorie diet. Your Daily Value may be higher or lower depending on your calorie needs.
Whey Protein Isolate, Whey Protein Concentrate, Whey Protein Hydrolysate, Cocoa processed with alkali, Natural and Artificial Flavor, Gum Blend (Cellulose Gum, Xanthan Gum, Carrageenan), Salt, Sunflower Lecithin, Dipotassium Phosphate, Sucralose, Prohydrolase, Lactase, Acesulfame Potassium, Maltodextrin.
Allergens: Contains Milk.

Directions For Signature 100% Whey Protein: Mix one scoop (34 grams) with 6 ounces of water, milk, fruit juice or your favorite beverage. Ideally take one serving immediately following your workout. To modify the consistency of your protein, increase or decrease the liquid level to your liking.

Warnings: Use this product as a food supplement only. Do not use for weight reduction.

* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.