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  (566 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

Overall Rating
566 Ratings
Verified Buyer Rating
486 Ratings
Average Flavor Rating
6 Flavors
Top Rated Flavor
Oatmeal Cookie
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.
Jun 20, 2019
Verified Buyer
  • 10 Vanilla

this protein is amazing, best vanilla taste ever, received it yesterday and love it, BB.Com hit a this one out of any park, great profile, best taste, you cannot do any better, i will make this my go to and fav powder from now on, only hope is that makes a cookies and cream flavor, i bet that would be awesome,anyone that buys this brand will NOT be disappointed, stay strong and live well everyone :)

Jun 13, 2019
Verified Buyer
  • 5 Birthday Cake

I like the product but chose the wrong flavor. It your not big on vanilla you probably wont like Birthday Cake taste. It taste like vanilla with little cake topping sprinkles in it. I should have stayed with my fav Mocha Cappchino.

Jun 10, 2019
Verified Buyer
  • 9 Chocolate

My go-to whey protein is ON's Gold Standard, but I gave this a try because it was on sale and\s brands that I've tried have been good. I got chocolate and it tasted good. It was easily digested. It was "foamier?" and slightly thicker than other proteins I have tried when fully shaken up. Only complaint is that it did not mix easily. I have to leave a good amount of "headspace" at the top of my mixing bottle, and shake the heck out of it for 1-2 minutes to get all the powder chunks broken up. Other than that solid protein powder that tastes great, goes down easy, and gives the muscles what they need after a workout.

Jun 05, 2019
Verified Buyer
  • 10 Oatmeal Cookie

Oatmeal cookie is THE BEST I’ve ever had! Please keep it ALL YEAR! I usually hate the taste of protein shakes but this is the only flavor I look forward to!

Jun 04, 2019
Verified Buyer
  • 10 Birthday Cake
  • 10 Mocha Cappuccino
  • 10 Oatmeal Cookie
  • 10 Strawberry
  • 10 Vanilla

All of the flavors I have tried of the Signature 100% Whey Protein are delicious and mix easily! Some flavors are more deep/intense than others. I would say Mocha Cappuccino is my favorite!

Jun 02, 2019
Verified Buyer
  • 10 Chocolate

It’s the best protein product I have ever had compare to many and no other brand can be better than this protein in my opinion.

May 28, 2019
  • 10 Vanilla
  • 10 Birthday Cake

The sample of Vanilla is what got me hooked! I had ordered a different brand of protein & no longer wanted it after trying this brand lol. Vanilla mixes very smooth and tastes creamy/savory, I was loyal to that flavor until craving new ones. Birthday cake is perfect for when I am craving sweets without messing up my nutrition. I cannot wait to try Oatmeal Cookie next, this is my favorite protein I have tried!! I have lost 30lbs and finally have a 6pack without feeling hungry/starved thanks to this protein + the delicious flavors. A lot of helpful reviews on here, big thanks to everyone's honesty so that I can know which flavors to try in the future

May 22, 2019
Verified Buyer
  • 10 Strawberry
  • 8 Mocha Cappuccino
  • 8 Vanilla

Received vanilla sample and tasted good so ordered 5lb strawberry and 5lb mocha cappuccino, im a skeptic person cause i have been using optimum 100% whey for years and years with never a stomach issue or anything but their flavors are not all that but i like the quality but when i took 2 scoops first in only water of this in strawberry it tastes soooo satisfying and creamy delicious, i loved it, optimum never tasted like this or any other protein powder i have ever tried in the past, next day i tried the mocha in water and it was also just delicious and satisfying and i can imagine in milk they must taste way better but i was testing them out, dying to try the oatmeal after reading reviews but i will not waste money on 2lb jars so if they ever carry it in 5lb i will order. Only thing is also i do get way more servings out of the optimum for the same pounds but im sold on these flavors, birthday cake and oatmeal need to be in 5lb jars

May 21, 2019
Verified Buyer
  • 10 Vanilla

I received the vanilla as a sample in my last order and was blown away by the taste. Delicious! You made a customer out of me for this product. Will try the oatmeal cookie too.

May 15, 2019
Verified Buyer
  • 7 Birthday Cake

Doesn’t break down very well (plenty of chunks leftover) which makes it’s pretty watery to drink. Nothing inherently wrong with that, but compared to a product like Jym or even just Whey, I was expecting more. Also a little too sweet, but that's personal preference.

May 14, 2019
  • 10 Oatmeal Cookie

Oatmeal Cookie is the absolute BEST tasting protein powder I’ve ever tasted!!

May 14, 2019
  • 10 Oatmeal Cookie

It legitimately tastes like an oatmeal cookie 😭😭😭 delicious flavor combined with the good price and good macros = my new favorite.

May 14, 2019
Verified Buyer
  • 10 Vanilla

They sent me a sample of this with my order I received this morning. I can honestly say it's the best tasting vanilla powder I've ever had. Very smooth and easy mixing as well. Will definitely consider purchasing this next time I need whey.

May 10, 2019
  • 10 Chocolate

I received my Signature Whey Protein a few days ago. I usually take 1 scoop evenings with milk the nights before I workout in the mornings and 1 scoop after my workouts. This protein is very tasty and not too sweet. I like that it does not bloat me like some others. I like the price, too. I trust ingredients and have been a buyer of their products since 2004.

May 08, 2019
Verified Buyer
  • 10 Birthday Cake

Didn't know what to expect when ordering this, but was happily surprised with the taste. Makes everything taste like a cake in a good "whey." Very versatile and mixes well with most everything!

2 Sizes
5 Lbs.
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Price: $49.99  ($0.75 / Serving)
Flavor Rating: 8.5

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.