When switching makes sense
Yes, moving to DYMATIZE ISO100® Hydrolyzed Protein Powder - Birthday Cake (76 Servings) can make sense if you want a fast-absorbing whey option designed to support muscle growth and post-workout recovery. This formula provides 25 grams of 100% whey protein isolate per serving and is hydrolyzed for even faster absorption and digestion, making it a strong fit for mornings, after intense training, or any time you want quick amino acid replenishment.
The bigger question is not whether one protein is universally right for everyone, but whether your routine calls for speed, purity, and performance-focused protein. This product is built around those priorities. Each serving also delivers 5.5 grams of BCAAs, including 2.7 grams of L-Leucine, a key amino acid involved in muscle protein synthesis. That makes it especially relevant for shoppers who train hard and want their protein powder to work in step with that effort.
If you are looking for a formula with very little extra, this one also keeps the profile tight: free of gluten, fat, and lactose, with less than 1 gram of sugar per serving. Add in Informed-Choice® Trusted by Sport certification and production in a GMP manufacturing facility, and the appeal becomes clear for anyone who values a disciplined, performance-ready approach to daily nutrition.
What you get in every scoop
DYMATIZE ISO100® Hydrolyzed Protein Powder - Birthday Cake (76 Servings) is built around a simple performance promise: deliver protein quickly and cleanly. The formula uses whey proteins derived from cross-flow microfiltration processing, a cold-filtered method used to preserve important whey protein fractions. That focus on protein quality is a major part of why this powder appeals to people who want more from every serving.
- 25 grams of whey protein isolate: A high-protein serving designed to support muscle growth goals.
- Hydrolyzed for faster absorption: Created for quick digestion and rapid amino acid delivery.
- 5.5 grams of BCAAs: Includes 2.7 grams of L-Leucine to support muscle protein synthesis.
- Clean profile: Free of gluten, fat, and lactose, with less than 1 gram of sugar.
- Short ingredient list: A straightforward option for shoppers who prefer a more focused formula.
There is also a practical benefit that matters day after day: taste. The Birthday Cake flavor was reformulated for a more delicious experience, so your shake can feel like a reward instead of a routine chore. For consistent use, that matters. A protein powder only helps if you actually want to keep reaching for it.
How to decide if this protein fits your routine
Choosing a protein powder starts with your training style and your nutrition priorities. If you want a formula for first thing in the morning or right after hard training, DYMATIZE ISO100® Hydrolyzed Protein Powder - Birthday Cake (76 Servings) is designed for exactly those moments. Its hydrolyzed whey protein isolate format is intended for fast absorption and digestion, which can be useful when timing matters to you.
- Look at your goal: If muscle growth support and recovery are top priorities, a whey isolate formula with BCAAs may be a strong match.
- Check the protein type: This product uses 100% whey protein isolate rather than a blended protein approach.
- Review the nutrition profile: It is free of gluten, fat, and lactose, and contains less than 1 gram of sugar per serving.
- Consider trust markers: Informed-Choice® Trusted by Sport certification offers added confidence for athletes.
- Think about consistency: A flavor you enjoy can make it easier to stay on track.
If your ideal protein powder is centered on quick delivery, a clean formula, and sport-tested assurance, this product aligns well with that checklist. The right switch is the one that supports the way you train and the way you want to fuel your progress.
Fuel your next step with GNC
Big goals are built on daily choices, and GNC is here to help make those choices clearer. When you are deciding whether to change your protein routine, confidence matters. That is why GNC focuses on guidance, trusted products, and a disciplined standard for quality.
DYMATIZE ISO100® Hydrolyzed Protein Powder - Birthday Cake (76 Servings) fits that approach with a performance-focused formula, a clean nutrition profile, and certification recognized by the athletic community. It is the kind of product that supports people who train with purpose and want their nutrition to match that effort.
At GNC, the goal is simple: help you rise to the challenge with fuel that supports your routine, your standards, and your momentum. When you are ready to choose a protein powder that aligns with a focused training mindset, you can shop with the confidence that comes from experience, curation, and a commitment to helping you live well.
Take your performance to the next level with ISO•100. You expect only the best from yourself and your nutrition. DYMATIZE ISO•100® is one of the most advanced and effective proteins available and was developed to give you 100% of what you need to support muscle growth and achieve your ambitions.
The Fastest-Acting Protein. ISO•100 provides 25 grams of super-fast absorbing 100% whey protein isolate and has been hydrolyzed for even faster absorption and digestion. It delivers quick amino acid replenishment, perfect first thing in the morning to stop catabolism or after intense training to speed your recovery. Each serving of ISO•100 has 5.5 grams of BCAAs including 2.7 grams of L-Leucine, the BCAA that is directly involved in optimizing Muscle Protein Synthesis to ensure your workouts are not going to waste.
The Highest Level of Purity. ISO•100 uses only whey proteins derived from cross-flow microfiltration processing (cold-filtered) to preserve the many important whey protein fractions including lactoferrin and immunoglobins, which can be lost in other forms of processing. We have carefully formulated ISO•100 to deliver more of what you want, and less of what you don't want: free of gluten, fat and lactose, plus less than one gram of sugar. With only a short list of ingredients, it is easy to see why ISO•100 is one of the purest proteins available. In addition, ISO•100 is produced in our own GMP manufacturing facility and is Informed-Choice® Trusted by Sport certified providing assurance to the athletic community that ISO•100 is free of banned substances.
New Improved Taste. Dymatize has taken flavor to a whole new level! Our in-house flavor specialists worked long and hard to create an even more delicious taste. ISO•100, the reward you deserve for all your hard work and dedication. So delightfully delicious, you will look forward to the next shake.
YOUR AMBITION. OUR NUTRITION.™ DYMATIZE NUTRITION®
Recent Reviews
About ISO 100® Whey Protein Isolate - Fruity Pebbles? (76 Servings) Rated 5 out of 5 Purchased on Mar 20, 2026 Great tasting! It's my go-to protein shake! Jamshid K Verified Purchaser Apr 13, 2026 Was this helpful? 0 0 Flag Review by Jamshid K has been flagged Flag
About ISO 100® Whey Protein Isolate - Gourmet Chocolate (71 Servings) Rated 5 out of 5 Purchased on Jan 25, 2026 Great product thanks Carlos A Verified Purchaser Feb 16, 2026 Was this helpful? 1 0 Flag Review by Carlos A has been flagged Flag
About ISO 100® Whey Protein Isolate - Gourmet Vanilla (76 Servings) Rated 5 out of 5 Purchased on Jan 11, 2026 Great product, great price ? fast delivery Judy B Verified Purchaser Feb 2, 2026 Was this helpful? 2 1 Flag Review by Judy B has been flagged Flag
About ISO100® Hydrolyzed Protein Powder - Cocoa Pebbles (71 Servings) Rated 5 out of 5 Purchased on Dec 27, 2025 Great Chocolate Flavor Russell S Verified Purchaser Jan 20, 2026 Was this helpful? 1 0 Flag Review by Russell S has been flagged Flag
About ISO 100® Whey Protein Isolate - Fudge Brownie (71 Servings) Rated 5 out of 5 Purchased on Dec 28, 2025 Tastes good WALT W Verified Purchaser Jan 19, 2026 Was this helpful? 1 0 Flag Review by WALT W has been flagged Flag
About ISO 100® Whey Protein Isolate - Gourmet Chocolate (71 Servings) Rated 5 out of 5 Purchased on Nov 28, 2025 Excellent quality Paul M Verified Purchaser Dec 23, 2025 Was this helpful? 1 0 Flag Review by Paul M has been flagged Flag
About ISO 100® Whey Protein Isolate - Fruity Pebbles? (76 Servings) Rated 2 out of 5 Purchased on Oct 19, 2025 Doesn't have much taste resembling fruit pebbles Jason R Verified Purchaser Nov 16, 2025 Was this helpful? 0 0 Flag Review by Jason R has been flagged Flag
About ISO 100® Whey Protein Isolate - Gourmet Chocolate (71 Servings) Rated 5 out of 5 Purchased on Oct 20, 2025 Good product!!! 100% recommended. Sandy R Verified Purchaser Nov 11, 2025 Was this helpful? 0 0 Flag Review by Sandy R has been flagged Flag
About ISO 100® Whey Protein Isolate - Gourmet Vanilla (76 Servings) Rated 5 out of 5 Purchased on Jun 25, 2025 Muito bom, eu gosto Edson Q Verified Purchaser Oct 22, 2025 Was this helpful? 0 0 Flag Review by Edson Q has been flagged Flag
About ISO 100® Whey Protein Isolate - Gourmet Chocolate (71 Servings) Rated 5 out of 5 Purchased on Sep 14, 2025 Great product Roger R Verified Purchaser Oct 10, 2025 Was this helpful? 1 1 Flag Review by Roger R has been flagged Flag
About ISO 100® Whey Protein Isolate - Gourmet Chocolate (71 Servings) Rated 5 out of 5 Purchased on Sep 17, 2025 Awesome product Daniel B Verified Purchaser Oct 9, 2025 Was this helpful? 1 0 Flag Review by Daniel B has been flagged Flag
About ISO 100® Whey Protein Isolate - Gourmet Vanilla (76 Servings) Rated 5 out of 5 Purchased on Aug 10, 2025 love the taste!! Dana K Verified Purchaser Sep 2, 2025 Was this helpful? 0 0 Flag Review by Dana K has been flagged Flag
About ISO100 Hydrolyzed - Cocoa Pebbles (43 Servings) Rated 5 out of 5 Purchased on May 29, 2025 Mixes easily + great taste! Sierra B Verified Purchaser Jun 20, 2025 Was this helpful? 1 0 Flag Review by Sierra B has been flagged Flag
About ISO 100® Whey Protein Isolate - Gourmet Chocolate (71 Servings) Rated 5 out of 5 Purchased on May 27, 2025 Great taste, mix well in water or milk Gyula B Verified Purchaser Jun 19, 2025 Was this helpful? 2 0 Flag Review by Gyula B has been flagged Flag
About ISO 100® Whey Protein Isolate - Fudge Brownie (71 Servings) Rated 5 out of 5 Purchased on Apr 29, 2025 Very cool ???????? Kseniia K Verified Purchaser May 28, 2025 Was this helpful? 0 0 Flag Review by Kseniia K has been flagged Flag
About ISO 100® Whey Protein Isolate - Fudge Brownie (71 Servings) Rated 5 out of 5 Purchased on Apr 25, 2025 One of the best team I had experience Vazha D Verified Purchaser May 17, 2025 Was this helpful? 0 0 Flag Review by Vazha D has been flagged Flag
About ISO100® Hydrolyzed Protein Powder - Cocoa Pebbles (71 Servings) Rated 5 out of 5 Purchased on Apr 13, 2025 Amazing flavor Gamal A Verified Purchaser May 5, 2025 Was this helpful? 0 0 Flag Review by Gamal A has been flagged Flag
About ISO 100® Hydrolyzed Protein - Cinnamon Cereal (20 Servings) Rated 3 out of 5 Purchased on Mar 23, 2025 I really liked the fruity pebbles one and high expectations for this but it doesn't taste like the cereal .. although it was still good Gabriella L Verified Purchaser Apr 17, 2025 Was this helpful? 1 0 Flag Review by Gabriella L has been flagged Flag
About ISO100 Hydrolyzed Whey Protein - Gourmet Chocolate (43 Servings) Rated 5 out of 5 Purchased on Mar 23, 2025 Outstanding-pleasant tasting as well haven k Verified Purchaser Apr 14, 2025 Was this helpful? 0 0 Flag Review by haven k has been flagged Flag
About ISO 100® Whey Protein Isolate - Gourmet Chocolate (71 Servings) Rated 5 out of 5 Purchased on Mar 17, 2025 high quality ingredients Celebrity Eclipse Concierge Ingmar Z Verified Purchaser Apr 12, 2025 Was this helpful? 0 0 Flag Review by Celebrity Eclipse Concierge Ingmar Z has been flagged Flag
About ISO100® Hydrolyzed Protein Powder - Cocoa Pebbles (71 Servings) Rated 5 out of 5 Purchased on Dec 30, 2024 Great product, extremely tasty, love it! George M Verified Purchaser Jan 21, 2025 Was this helpful? 0 0 Flag Review by George M has been flagged Flag
About ISO 100® Whey Protein Isolate - Gourmet Chocolate (71 Servings) Rated 4 out of 5 Purchased on Dec 23, 2024 Like the product, just hard to find multiple different good flavors......... Dave B Verified Purchaser Jan 20, 2025 Was this helpful? 4 5 Flag Review by Dave B has been flagged Flag
About ISO 100® Whey Protein Isolate - Gourmet Chocolate (71 Servings) Rated 5 out of 5 Purchased on Oct 20, 2024 Good product Jesse S Verified Purchaser Nov 11, 2024 Was this helpful? 2 3 Flag Review by Jesse S has been flagged Flag
About ISO100 Hydrolyzed - Cocoa Pebbles (20 Servings) Rated 5 out of 5 Purchased on Sep 29, 2024 Awesome!!! Valentin V Verified Purchaser Oct 23, 2024 Was this helpful? 1 2 Flag Review by Valentin V has been flagged Flag
About ISO 100® Whey Protein Isolate - Fruity Pebbles? (76 Servings) Rated 5 out of 5 Purchased on Sep 3, 2024 This is very good Jeevan A Verified Purchaser Oct 3, 2024 Was this helpful? 1 8 Flag Review by Jeevan A has been flagged Flag
About ISO 100® Whey Protein Isolate - Fruity Pebbles? (76 Servings) Rated 5 out of 5 Purchased on Aug 27, 2024 Great taste. Dissolve 100%, no leftover chunks in the shaker. I do not feel bloated taking it twice daily (2 serving/day). My favorite protein supplement by far. Gyula B Verified Purchaser Sep 21, 2024 Was this helpful? 4 1 Flag Review by Gyula B has been flagged Flag
Chemical taste
About ISO 100® Whey Protein Isolate - Dunkin® Glazed Donut (20 Servings) Rated 1 out of 5 Chemical taste Chemical taste, awful. Leaves gross aftertaste too Alec S Nov 22, 2025 Was this helpful? 1 0 Flag Review by Alec S has been flagged Flag
Great however?.
About ISO100® Hydrolyzed Protein Powder - Cocoa Pebbles (71 Servings) Rated 4 out of 5 Great however?. This is honestly one of the greatest ISO Whey Protein. The flavor is delicious and you don't get that heavy dairy flavor like the cheaper brands. The whey breaks down very easily which is high quality, and the protein contents is true to what it says. The reason why I gave it a "4 star" review was because out of the whole tub you're approximately getting 1/3 of it inside. And if you don't believe me remove the plastic covering. Besides that, a wonderful product. Issac R Oct 20, 2025 Was this helpful? 3 1 Flag Review by Issac R has been flagged Flag
It's ok
About ISO 100® Hydrolyzed Protein - Cinnamon Cereal (20 Servings) Rated 3 out of 5 It's ok Taste more like vanilla Victor F Sep 29, 2025 Was this helpful? 0 0 Flag Review by Victor F has been flagged Flag
Just drink it fast
About ISO 100® Whey Protein Isolate - Fruity Pebbles? (76 Servings) Rated 4 out of 5 Just drink it fast For its purpose it is good. Too much of a fake flavor though Becky Apr 25, 2025 Was this helpful? 1 1 Flag Review by Becky has been flagged Flag
Wrong flavor
Sent me 2 of the same flavors I didn't order.
Goood
Goooooooooood
Another great purchase
I've been using Dymatize for years! The flavor, texture, and ingredients are what makes this a good addition to my supplements. I highly recommend it!
Probably the best flavor
I used to drink protein shakes when they didn't mix, when they tasted like the smell of stagnant water, and gave you super bloat. This ISO100 is probably the best protein I've had to date. You don't even need a shaker bottle to get it perfectly mixed. I did notice that more than 2 scoops in 16floz of water does have a hard time fully mixing. But 2 scoops mixes perfectly in 12floz of water. So basically, mix a max of 2 scoops at a time if you are hand shaking.
Flavor is on point, but too rich for me
Too rich tbh. Still tastes fine, might taste better with milk rather than water. For a better "chocolate" taste I recommend the Coco Pebbles flavor.
Shameful company - please read!
I'm giving this a one star not because of the product but because of the experience I had buying online with GNC. I am in Canada so had to buy online and waited about 2 weeks for delivery. Two tubs cost me almost $250 with the shipping fee. Upon delivery, I received the wrong flavour. I double checked my order and it was correct. I called GNC in the US and was told I had to take it back to a store in my city, leave it with them and then wait 5 days for my refund. A store this big, who was
best protein powder ever. I've blended it with half a banana and unsweetened oat milk + ice, the best I've had
Chef's Kiss: Pump up those taste with Chocolaty Malt Chocolate
Chefs Kiss: The ISO 100 flavors are a perfect blend of smooth mouth watering Vanilla Bean, and the Cocoa Pebbles is a Malt Chocolate lovers dream; both are super-delicious separately or together. I bought both flavors to mix 1/2 and 1/2 for a Vanilla Bean Malt Chocolate Protein Shake. (1/2 scoop Vanilla + 1/2 scoop Cocoa Pebbles = recommended serving; or approximately 38 Grams total). So far there hasn't been any muscle cramping from adding additional protein > 25 Grams/serving