The Best Whey Protein Isolate on the Market
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Isoflex Whey Isolate Protein Powder

(30 customer reviews)

$39.99

  • Truly Superior Whey Protein Isolate
  • Whey Isolate Protein Technology
  • Gluten-Free & Soy-Free
  • Sugar-Free & Fat Free
  • Lactose-Free
  • Kosher
  • Lab-Tested
  • 100% Whey Isolate Protein
Clear

Protein

27 g

Sugars

0 g

Calories

120 *

Pros Who Depend On Their Results Depend On Isoflex

All new and improved Isoflex (Truly Superior Whey Protein Isolate) is the ultimate in taste and quality. Not only does Isoflex whey isolate protein powder have a brand new look and great taste, using cutting edge technology, it’s a pure 100% whey protein isolate source. Isoflex is significantly lower in lactose, fat, sugar and carbs, compared to regular WPIs too! If you’re looking for the highest quality, most premium and fastest absorbing whey protein isolate powder, then look no further than Isoflex;  the best Whey Protein Isolate. Read more below on the best whey isolate protein powder in the market and whey protein isolate benefits.

*Calories vary per flavor

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Description

The Best Whey Protein Isolate on the Market

HYBRID RATIO ISOLATE (HRI) – ION FILTRATION TECHNOLOGY

BETA-LACTOGLOBULIN 53.8%
ALPHA-LACTALBUMIN* 20.3%
GLYCOMACROPEPTIDE 18.8%
BI-PEPTIDES & TRI-PEPTIDES 4.3%
IMMUNOGLOBULIN 2.5%
BOVINE SERUM ALBUMIN 1.6%
LACTOFERRIN 0.1%
*15% Higher than typical Whey Protein Isolates. Highly valued in baby formula as it is the primary protein fraction in human milk.

ISOFLEX uses a unique protein extraction technology called Hybrid-Ratio Ion-Filtration (HRI). A hybrid of two isolate purification technologies incorporated at a specific ratio to produce a truly superior ultra-pure Whey Protein Isolate. Cutting-Edge HRI Technology allows ISOFLEX to retain an exceptionally high protein yield while maintaining enhanced bioactive whey fractions.

ISOFLEX CONTAINS ABSOLUTELY NO WHEY CONCENTRATE!
Concentrates have higher levels of fat and sugars with a lower percentage of protein and lower bioavailability than Isolates. While other brands use Concentrates, ISOFLEX users know that Isolates have a superior protein percentage and won’t settle for non-Isolate blends.

That’s right, Pure Whey Protein Isolate at your fingertips, giving you a whopping 90% protein content! With only Native and Intact, Non-Denatured Whey Protein Fractions. 27 g of Pure Protein that has been laboratory tested, certified and approved.

ISOFLEX: TRULY SUPERIOR PROTEIN
If you’re a bodybuilder you know that high levels of protein consumption are critical to success. Most aim for 1.5 to 3 grams of protein per pound of bodyweight daily depending on the intensity and frequency of their training and space their consumption throughout the day. We all know how important it is to get our protein in during that precious anabolic window.

Because of the high quality and purity of ISOFLEX, you get some of the fastest protein absorption out there. ISOFLEX mixes well in a shaker cup but can be combined with other ingredients in a blender as a smoothie too. Take ISOFLEX anytime and anywhere you need it.

ISOFLEX now features SCOOP-LOCK™ Technology
Gone are the days of digging through your protein to get your scoop. SCOOP-LOCK is ergonomically designed to lock your scoop into place the first time and every time! And it’s right there at the top of your ISOFLEX when you open it! Scoop-Lock is available on all ISOFLEX, ALLWHEY Gold, ALLWHEY Classic and HEXAPRO products and it’s only from ALLMAX.

Look for the rugged new Ergo-Lid™ on ALLMAX products with Scoop-Lock™ inside!

THE TASTE YOU CRAVE – THE RESULTS YOU DEMAND
Don’t give up taste to get the power of Whey Protein Isolate!

The first thing that really sets ISOFLEX apart from any other protein powder on the market is its taste. It tastes amazing! And with 11 delicious flavors + unflavored to choose from, there’s sure to be one that satisfies your distinct taste buds.

ISOFLEX comes in 2 lb & 5 lb jars (425 g Chocolate & Vanilla also available) and 13 great tasting flavors.

Combine one 30g scoop of Isoflex protein powder with 1/2 cup, or 120 ml of water, juice or milk (most choose water or skim milk), depending on your preference, at any time during the day that you need a protein boost.

Most athletes with elevated protein requirements double each serving with 2 scoops of Isoflex with about 1 cup (300 ml of water) providing 54 grams of pure protein. Most bodybuilders are aware that high levels of protein consumption are critical to their success. Most will aim for 1.5 to 3 grams of protein per pound of bodyweight daily depending on the intensity and frequency of their training and space their consumption throughout the day. Isoflex mixes well in a shaker cup but can be combined with other ingredients in a blender as a smoothie too.

Chocolate

Chocolate Peanut Butter

Can I use Isoflex with other supplements?

Yes, you can. Depending on your goals, Isoflex complements many other AllMax Nutrition products to help you bring your training to the next level. Isoflex is highly versatile and is considered an ideal base, meaning it can be used well with just about every other supplement. If you’re trying to lose weight or lean out, try combining RapidCuts Shredded with Isoflex. If you’re trying to bulk up or put on weight, Aminocore and Glutamine are excellent products to try in addition to Isoflex protein powder.

How do I take Isoflex?

Combine one 30g scoop of Isoflex protein powder with 1/2 cup, or 120 ml of water, juice or milk (most choose water or skim milk), depending on your preference, at any time during the day that you need a protein boost. Most athletes with elevated protein requirements double each serving with 2 scoops of Isoflex with about 1 cup (300 ml of water) providing 54 grams of pure protein. Most bodybuilders are aware that high levels of protein consumption are critical to their success. Most will aim for 1.5 to 3 grams of protein per pound of bodyweight daily depending on the intensity and frequency of their training and space their consumption throughout the day. Isoflex mixes well in a shaker cup but can be combined with other ingredients in a blender as a smoothie too.

Whey Protein Isolate Vs. Concentrate: What makes Isoflex superior to other protein powders on the market?

The first thing that really sets Isoflex apart from any other protein powder on the market is its taste. It actually tastes amazing! And with eight delicious flavors to choose from, there’s sure to be one that satisfies your distinct taste buds. Secondly and most importantly, it has been formulated with only the most superior blend of whey protein available – whey protein isolate. Many other protein powders on the market use whey concentrates and other inferior blends that contain only 30-80% of protein and include higher levels carbs, lactose (milk sugar) and fats. Additionally, the macronutrient profile of Isoflex is exceptional and provides you with a whopping 27 grams of pure protein!

Will Isoflex give me big, bulky muscles?

For those of you trying to lose weight or tone up, drinking protein supplements such as Isoflex are not going to give you big, bulky muscles. In fact, Isoflex can actually help you reach your weight loss goals as protein has been shown to stabilize blood glucose levels which will reduce hunger cravings, stabilize blood insulin levels, and put your body into an ideal fat burning zone. For all you bodybuilders out there, you probably already know it takes a lot of hard work at the gym, proper nutrition (including a lot of calories) and genetics to get big and bulky muscles. But Isoflex can provide you with the nutrients your body needs to recover from your workouts and is a great protein option to help fuel your muscles.

When should I take Isoflex?

Post-Workout:

As soon as you’ve dropped your final set your next step should be to consume an Isoflex protein shake with some fast-acting carbs (2-3 rice cakes are a quick and easy option). We also recommend stacking with a quality carbohydrate drink like CARBION. This will boost protein synthesis and prevent muscle breakdown. A second option popular with bodybuilders is C:VOL immediately after working out, then 30 minutes later, Isoflex protein powder. For high performance nutrition make every protein option count by consuming high quality protein choices. Isoflex is a delicious perfect blend of protein that’ll provide the nutrients you need to take it to the next level!

As a Meal Replacement:

To shift your body into an anabolic state (which is essential to increase lean muscle mass) consume a protein shake with 1-2 scoops of Isoflex or add a couple scoops of Isoflex to a hearty bowl of oatmeal for breakfast. Pinched for time? Isoflex is a delicious, and quick, replacement for a mid-morning or mid-afternoon snack.

Do I have to use a blender to mix up my Isoflex protein powder?

Using a blender will increase the creaminess of your shake, but Isoflex was developed as an instantized protein powder through an advanced technological process, so that it mixes easily in a shaker cup and doesn’t require a blender. We understand mixability is crucial, many times we are mixing up shakes on the go or at the gym in not so ideal circumstances. Those who have tried Isoflex have commented that it mixes well with water or milk in a shaker cup, creating a nice, smooth drink. Isoflex mixes so easily, you can even scoop your protein into your shaker cup first and then add water without it clumping and sticking to the bottom! This makes it great for storing a serving in your gym bag for post-workout nutrition.

What is whey protein isolate?

Whey protein is simply one of the by-products in the manufacturing of cheese. Whey protein is considered the pinnacle of all sources of protein, as it is readily absorbed by the body and has a very high biological value. Whey protein isolate is a purer form of whey protein as it contains less fat and lactose. It also has a higher biological value than whey protein concentrates. Whey protein isolate is a far superior source than a whey protein concentrate and allows the highest percentage of protein per gram. Although whey protein isolates generally cost more than concentrate blends, the quality is certainly worth it.

Whey Protein Isolate Benefits:

Isoflex contains a very special hybrid of Whey Protein Isolates that we call HRI. HRI in Isoflex yields a very high percentage of protein. It provides exceptional levels of bioactive whey protein fractions due in part to gentle processing at cold temperatures that ensure the protein is intact and non-denatured.

You can see this from the chart on the label that shows our typical levels of bioactive fractions such as Beta-Lactoglobulin, Alpha-Lactalbumin, Immunoglobulin, Lactoferrin, BSA and so on. Each of these fractions are partly responsible for many of the health giving properties attributed to whey protein.

 

Is whey better than soy?

There is quite a lot of controversy among nutritional experts about this. Although whey protein isolate has a higher biological value than soy protein, a lot of scientific research has proven that soy protein can also offer a variety of health benefits. The benefits of whey protein isolate Isoflex, is that it is composed of exclusively whey protein and has a much higher bioavailable value, but there’s no reason why you can’t include soy protein in your balanced diet as well. However, many people shy away from soy due to concerns over estrogenic proteins.

Can I use Isoflex if I’m lactose-intolerant?

Isoflex is lactose-free and is well-tolerated by those who have a lactose intolerance.

I eat beef, chicken and eggs, do I still need to use Isoflex?

Unlike animal sources of protein, Isoflex travels well in a gym bag or suitcase for a quick protein boost whenever you need one. Isoflex is simply a convenient high protein, low fat, addition to your diet plan. For those of you who are bodybuilding and are trying to consume between 1.5 and 3 grams of protein per pound of body weight, you know all too well how difficult and expensive this kind of diet can be. Aside from providing a simple way to quickly and easily get your protein, Isoflex also absorbs rapidly and contains 4 proprietary complexes to augment absorption, improve recovery, and increase nutrient delivery.

30 reviews for Isoflex Whey Isolate Protein Powder

  1. Brandon Motz

    Seriously the best. Great quality, so many flavours. Best supplement company on the market and this product is a staple!!

  2. Ariana G.

    I LOVE isoflex. It mixes so well. I love how you can add more water to stretch out the volume and it still keeps such great flavor. Chocolate peanut butter is Devine. Not to mention the macros are great.

  3. Lanalee Pike

    Allmax was the first supplement brand I have ever used!!! Over 8 years ago and has been my number one since! ISOFLEX is one of my favourite products made by ALLMAX !! The protein is the highest quality, Super easy to digest (and I am someone who finds it hard to digest a lot of things), mixes super well, I don’t ever use those shake balls!! AND they have so many flavours to choose from! My favourite to drink is chocolate mint & my favourite to mix with my food and smoothies is banana! Love it and would never turn back! (Also I love how they are third party tested, so no junk!)

  4. Jasmine

    The smoothest, most delicious protein I’ve had! I also love the quality in all of allmax products, especially the protein. I can go into prep knowing the macros in the protein won’t hurt my prep. The best!!

  5. Billie

    LOVE IT!!! Allmax Isoflex protein is my absolute go too. I frankly love the light consistency. Not heavy like other protein powders. Cookies and cream is definitely my favorite! I also love that you can partner this protein with oatmeal/coffee or anything really. Also great for smoothies! 🙂

  6. Jacques Schaub

    Love this product

  7. Brett Kahn (verified owner)

    Best tasting protein on the market and you know you are getting a clean, quality product that has exactly what’s on the label. All supplement companies should be held to this standard. Gold standard company IMO. I’ve been an IFBB pro for 6 years and moved from Dymatize to Allmax 4 year ago and never looked back.

  8. Daniel Murphy

    Isoflex is my post workout go to. Easy to mix, no bloat or GI discomfort and amazing taste! I’m partial to the chocolate peanut butter

  9. Kass

    Favorite protein by far! So many great flavours

  10. Matt Pattison (verified owner)

    I’ve been using a Isoflex for over five years. Where do I start. It’s the highest quality best tasting protein on the market. My favorite flavor is chocolate peanut butter. All the other flavors are amazing to

  11. Matt (verified owner)

    Best tasting and highest quality protein on the market! I’ve been using Isoflex for years and it’s a staple product I use every day. I’ve tried them all and nothing compares to the quality, taste, ease of mixing, and results!

  12. Loreen

    Been working out for over 15 years and I’ve only changed protein powders 3 times because i’m sooooo picky on what I put into my body. Welp, 3rd times a charm because I’m sooooo happy with Allmax’s Isoflex because of how clean it is, and that it’s not loaded with fillers. I love that it’s lactose-free, so it’s easier to digest, and the carb/sugar/fat content is so low. And the FLAVOR!!! Super yummmmyyyy! I only need to use (literally) about 2-3 ounces of water to make the delicious drink with no clumps, and I don’t feel bloated. Thank you Allmax for an amazing product! 🙂

  13. Destiny Hilton

    I have tried many isoflex products and well when my weightloss journey started 6 years ago Allmax had me hooked on theirs! I Love this flavour the best! Still have several to try but this keeps me coming back for more. Not only is it good in a shake but its also good in hot chocolate bombs, protein balls and muffins! As an athlete and coach I always start my recommendations to this flavour and brand!

  14. Steve Kuclo (verified owner)

    quality, flavor, mixabilty all 5 stars… Chocolate peanut butter is my go to but never have been disappointed by the other flavors. I use this post workout With Carbion and it makes the ideal post workout drink.

  15. Caleb Blankenship (verified owner)

    I love this protein. i have a hard time digesting inferior proteins and this is the only protein im able to actually consume and not have gastric distress. not to mention the flavor is awesome and it goes down smooth with zero clumping issues. i love to put this in my oats first thing in the mornign and it also naturally sweetens my oats.

  16. Scott Schulze (verified owner)

    Isoflex is a delicious and high quality protein powder. You can’t beat it. You can’t beat the low calories and high protein content either.

  17. Ashley Wiens (verified owner)

    I absolutely LOVE the Isoflex Chocolate Peanut Butter Protein Powder! It tastes like a liquid Reese’s Peanut Butter Cup and mixes really well. It is a super easy and tasty way for me to get in another 27g of protein daily!

  18. Jessica Kontorowicz (verified owner)

    This protein has been my favorite for years now, it’s one of the only proteins that I trust. I normally have digestion issues and certain brands in the past have been difficult for me to digest. This protein has never given me any issues or bloat! Not to mention the chocolate peanut butter flavor is AMAZING!

  19. Katie Smith (verified owner)

    Love the taste of Chocolate Peanut Butter! Mixes great even with water.

  20. AARON Futel (verified owner)

    THIS IS MY ALL TIME FAVORITE PROTEIN BLEND AND FLAVOR! I ALWAYS HAVE IT FIRST THING IN THE MORNING FOLLOWING MY CARDIO REGIMEN. 2 scoops blended with a cup of water and almond milk, banana, spinach, and oats and breakfast is served quick and simple give it a try i promise.

  21. Emiliano Calderon (verified owner)

    The best protein in the business. I, as a pro fighter, need to be in excellent condition to keep the rithm of my trainings and fights and definitely this is one of most complete supplements on my diet and preparation.

  22. JD MacGillivray (verified owner)

    Has been my favorite protein for years. Taste just like a milkshake and doesn’t leave you feeling full & bloated after. Not to mention I noticeably started putting on muscle after I started taking this regularly.

  23. Gerardo Contreras (verified owner)

    Honestly the best protein shake I’ve had ! Great for recovery and taste delicious. I get the chocolate mix !! I highly recommend to all my friends ! Love you .. ps thank you for the free amino energy drink !! It’s also great

  24. Alberto Montoya

    Since i started lifting weights, and throughout my whole bodybuilding career i really Haven’t used any other protein other than Isoflex. My reasons are simple really; it’s tastes great, mixes well, and i have ZERO issues with digestion. This is quality stuff!

  25. Mary Tran

    Chocolate PB Isoflex is by far my favorite protein in the world!! Flavorful, digests well, and made with high quality protein. You can’t beat it.

  26. Laura Ramirez

    ISOFLEX CHANGED THE GAME,
    I was looking for a good protein powder and I found allmax thanks to one of my fav bodybuilders, Arya Saffaie, and switching was the best thing I could have done. I had such a hard time finding a protein powder that would have all the characteristics I wanted, my previous protein was making me feel bulky all the time even tho I was eating so clean and once I change to ISOFLEX I noticed the difference instantly. The fact that is super clean not loaded with extra fillers and they still make it taste AMAZING!!! I put protein powder in all my recipes so flavor is definitely super important as well as what I’m putting in my body!

  27. Doug Champigny

    Quite impressed with Isoflex! Have tried a wide variety of brands over the past 40 years, but since Boss Supplements suggested it 6 or 7 years ago I’ve never used anything else. My wife and I use the banana flavour, not just for our shakes but also in our oatmeal each morning and I put a scoop in my hot chocolate on winter days. Congrats on a superior product – it’s the only protein I’ll use or recommend to those I train!

  28. Kristen Large

    I absolutely love the Isoflex protein. The selling point for me is obviously the purity of the source, but it needs to taste good in order for me to consume in on a daily basis! I am extremely happy with this product. Thank you Allmax for creating such a great product!

  29. Matt Pattison (verified owner)

    This is the easiest mixing, best tasting,purest isolate on the market. My favorite flavor is chocolate peanut butter !

  30. Matt Pattison (verified owner)

    This is the easiest mixing, best tasting, most pure isolate on the market. My favorite flavor is chocolate peanut butter !

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