Signature 100% Whey Isolate
Product Overview
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Whey protein isolate is protein at its best. It has been filtered to remove the majority of the lactose, fat and carbs, making it higher in protein, leaner, and faster digesting than standard whey protein. Its quick release of amino acids is ideal for supporting post-workout muscle growth and recovery. Signature Isolate is delicious and fits any clean-eating plan with just 1 gram of sugar, minimal lactose, and only 1 gram of fat.
WHEY BLEND BREAKDOWN
HYDROLIZED WHEY PROTEIN ISOLATE
Over half of the protein in Signature 100% Whey Protein Isolate is hydrolyzed. The peptides from hydrolyzed proteins are much easier for your body to digest than standard long-chain proteins or free amino acids. That means better absorption of these muscle-building aminos.
But amino acids that come in the form of a peptide — in other words, already broken down through the hydrolyzation process — bypass all that and can be absorbed intact. Once they’re absorbed, the body breaks them down further and releases a flood of amino acids. Research shows that hydrolyzed proteins are absorbed more efficiently than straight amino acids. In fact, scientists estimate that two-thirds of amino acid absorption occurs in the form of small peptides, with only one-third absorbed from free amino acids.
WHEY PROTEIN ISOLATE
Why isn’t all the protein in this product hydrolyzed? It all came down to taste: Peptides are bitter! We pushed the envelope to provide as hydrolyzed whey protein isolate as possible, but the bottom line is that protein won’t work if you can’t bear to drink it.
A signature is a promise. A symbol of your identity. Your mark on the world. In 1999, Bodybuilding.com 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.
TOTAL TRANSPARENCY
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.
EFFECTIVE DOSES
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.
RESEARCH-BACKED INGREDIENTS
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.
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Ratings & Reviews
They sold me one that expired 2 months later, I didn't even open it 🤦🏽♂️.
It mixes well and isn’t chalky, but the flavor is bland and watery and I don’t feel like it keeps me as satiated as other proteins that I’ve tried in the past. I don’t think I’ll purchase again.
Amazing flavor, mixes very easily, and tastes smooth. I would recommend to everyone! I had chocolate
Awesome stuff! Costco stopped selling Optimum Vanilla Isolate powder so I gave this a try. Decent pricing and awesome flavor! It is VERY sweet so I use half a scoop and then some collagen to increase the protein of my shakes.
Good quality for the price
Flavor has a noticeably artificial taste with just water to mix.
I decide to try this protein, mainly because the price and also because I thought that the brand will guarantee the product quality. Nevertheless, my experience has been negative. The protein is not easy to digest and after consuming it, I don´t feel the punch I feel with other whey isolates. In my case, next time I will spend some more with a different brand.
I'm lactose intolerant and I'm happy to report that I have zero trouble with this product. I like it best when mixed with unsweetened almond milk. I make my shake in the blender, but I'm on occasion just stirred it vigorously with a spoon. It's smooth and tasty. If I had to choose, I'd say I prefer the chocolate a tiny bit more over the vanilla, but I really like them both and switch back and forth between the two. Good price, great taste, easy to digest—to me, this is the best shake on the market.
So far this is the best why protein isolate I've used. It does not upset me mixes very well taste great. I have no issues with it awesome job bodybuilding.com.
Don't think it's really lactose-free as purported....disappointing
Probably one of the best protein i have ever had, it mixes easily taste good however I don’t really care about taste but i have very sensitive stomach and this protein is the only one not upsetting my stomach
Mixes completely and easily. Good taste. Easily digested for people with sensitive stomachs.
We love this protein!! I add it to plain Greek yogurt, drink it mixed with water, or heavily blend with ice and almond milk for a sweet dessert!!! Love the frothy texture.
mixes super well and it has a great flavor...if not in a hurry add 1/2 banana and shake...sometimes a bunch of kale...delicious!
What's in Bodybuilding.com Signature Signature 100% Whey Isolate
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Directions For Signature 100% Whey Isolate: Add one scoop to 6 ounces of cold water or milk and mix thoroughly. Our isolate is made with instantized proteins that mix easily - no clumps or grit. Enjoy pre- or post-workout, or anytime you need a delicious protein boost.
Warnings: Use this product as a food supplement only. Do not use for weight reduction.
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Bodybuilding.com Signature Signature 100% Whey Isolate