Blue Star Post-Factor

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A strong finish means a stronger start.

Gritty, bar-bending workouts are what separate the men from the boys. They bend and break your muscles into a catabolic state, raising cortisol levels and depleting your energy reserves.

And as a result, your muscles are now stimulated. Ready to grow bigger and return stronger - but only if they have the nourishment they need.

Everything your muscles crave - In one scoop.

Post-FactorTM is much more than a protein shake. It's a fortified, carbohydrate and antioxidant-filled, fast-acting protein shake designed specifically to be taken after your next grueling workout.* Oh yeah, it also comes with our trademarked XD Delivery system.*

Let's face it, after your workout your blood is in your muscles, not your brain. The last thing you need to be worrying about is a food scale and a tackle box of capsules. Post-FactorTM is the only simple one-scoop solution formulated to help ensure your muscles benefit from your workout the way you intended.*

Ice baths are cold - Post-FactorTM is cool.

Sure, suffering through an ice-bath for rapid recovery looks manly - but what if you could achieve better results, without freezing in a tub for 45 minutes? 

Post-FactorTM accelerates your recovery with L-Carnitine-L-Tartrate (LCLT) and CherryPURE®, both backed by human research to reduce muscle soreness, damage, and inflammation.*

Studies have shown that LCLT supplementation by men, during resistance training, resulted in 59% less muscle damage.* CherryPURE® studies have shown a lower perception of soreness up to 48 hours after a workout.*


Broken down for you.

The building blocks of new muscle are amino acids. Protein has them. Post-FactorTM has it. See the pattern here?

Each Post-FactorTM serving contains 27 grams of the most advanced whey protein ever developed — hydrolyzed whey protein isolate.* Hydrolyzing whey protein isolates breaks the larger proteins into smaller pieces. These ultra-pure whey isolates are absorbed by your body much faster than non-hydrolyzed isolates, allowing your muscles to begin recovery significantly sooner.*

Post-Factor’s hydrolyzed whey protein isolate is also the cleanest protein available - with no sugar, no fat, and no lactose - it's got everything your muscles need - and nothing they don't.*

370% better recovery.

When you workout, you deplete muscle glycogen (the storage form of carbohydrates). Glycogen is your muscle’s primary fuel for energy production. Feeding your muscles with carbohydrates post-workout is crucial. Moreover, the addition of hydrolyzed protein proves the perfect anabolic environment to maximize muscle recovery.

But what if you could increase the amount of glycogen your muscles absorbed?

ActiGinTM, a patented sports nutrition ingredient with a published human clinical trial, loads your muscles with up to 370% more glycogen.* It also increases muscle energy by up to 22% and decreases oxidative inflammation by as much as 69% after high intensity exercise.* The presence of ActiGinTM in Post-FactorTM means even faster recovery and even more fuel for your muscles.*

And thanks to our unmatched quality assurance practices, you can be sure that every serving of Post-FactorTM contains a clinically validated dose of ActiGinTM and your ever-essential fast-acting carbohydrates.*

Stop the damage - Antioxidants.

It's no secret: hard-exercise causes oxidative damage to your muscle tissue - blunting your strenuous efforts.

Fortunately, each serving of Post-FactorTM contains more than 100% of the recommended daily intake of Vitamins C & E; two powerful antioxidants that help reduce oxidative damage.*

Your after-workout dessert.

So what exactly does a groundbreaking rapid-recovery shake taste like? Well, when the flavor team has over 25 years of experience, the answer is "pretty darn good."

Reward your post-workout taste buds with Key Lime Pie, Blueberry Pomegranate, and Chocolate Truffle. Your mouth, and your muscles will thank you for it.

The secret: The science.

The core ingredients in Post-FactorTM are clinically validated on human test subjects.* This is extremely important because many companies mislead you by promising results reflective only of animal research.* What's worse, they rarely use the clinically required dose in their formulas. They’re testing on animals and they’re pulling the wool over your eyes.
Post-FactorTM does neither of the two, and human clinical studies on its core ingredients have been shown to:

Increase muscle protein synthesis*

Decrease muscle protein breakdown*

Increase glycogen recovery by 370%*

Increase insulin sensitivity*

Reduce muscle damage by 59%*

Reduce lipid peroxidation*

Reduce post-exercise serum CK levels by 69%*

Reduce post-exercise serum myoglobin levels*

Reduce the perception of soreness for up to 48 hours post exercise*

Decrease chronic cortisol elevation*

Decrease inflammatory markers such as IL-6 and MDA*

Reduce reactive oxygen species*

Real products from real people.

“The couple of hours immediately post-exercise are when muscles are the most sensitive for growth. However, exercise alone in a fasted state leaves your muscles in constant catabolism until your next meal. Your post-exercise meal is a critical component to how your muscles will respond to the exercise. Post-FactorTM takes all the guess work out and provides only the best ingredients to maximize your muscle growth and recovery.”

David Gundermann

Chief Scientific Officer, Blue Star Nutraceuticals

Ph.D., Nutrition & Metabolism, University of Texas Medical Branch

M.Sc. Human Performance, University of Florida


2.63 LB

Serving Size: 1 Scoop (approx. 85 g)
Servings Per Container: 14

Calories 320  
Calories From Fat 10  
Total Fat 1 g 2%
Saturated Fat 0.5 g 3%
+ Trans 0 g
Cholesterol 30 mg 10%
Total Carbohydrate 50 g 17%*
Dietary Fiber 2 g 8%*
Sugars 3 g
Protein 27 g 54%*
Calcium 132 mg 13%
Iron 1.2 mg 7%
Vitamin C (as ascorbic acid) 61 mg 101%
Vitamin E (as dl-alpha tocopheryl acetate) 33 IU 109%
Sodium 65 mg 3%
Potassium 390 mg 11%
Muscle Recovery Complex™
L-Carnitine L-Tartrate 2000 mg
CherryPURE® (montmorency tart cherry) (fruit) powder 480 mg
ActiGin™ (Panax notoginseng & Rosa roxburghii) 50 mg
XD Delivery Technology Complex™ 61 mg
Fumaric Acid
BioPerine® Black Pepper (Piper nigrum) (fruit)
AstraGinTM (Panax notoginseng, Astragalus membranaceus) (root)
Sodium R-Lipoate
Succinic Acid

* Percent Daily Values (DV) are based on a 2000 calorie diet.
† Daily Value not established.

Ingredients: Maltodextrin, Hydrolyzed Whey Protein Isolate, Cocoa Powder, Natural and Artificial Flavors, Sucralose, Enzyme Amylase, Soy Lecithin.

CherryPURE® is a registered trademark of Shoreline Fruit, LLC. 
BioPerine® is a registered trademark and patented product of Sabinsa Corporation.
ActiGin™ and AstraGin™ are trademarks of NuLiv Science.


As a dietary supplement, after workout, mix 1 scoop of POST-FACTORwith 12 oz of cold water.

 Allergy Warning: Contains ingredients from milk and soy. Made in a facility that also processes egg, peanut, tree nuts, wheat, fish, crustaceans, and shellfish ingredients.


7 Reviews Hide Reviews Show Reviews

  • 4
    post factor

    Posted by Unknown on 16th Apr 2018

    its a love and hate affair with post factor. love because it does a pretty darn good job in keep MR DOMS away. Hate because its not cheap. haha. but i am still buying it coz i wouldn't want MR DOMS to visit me everytime :)

  • 4
    totally agree

    Posted by Unknown on 13th Apr 2018

    totally agree. key lime pie is the best flavour. DOMS significantly reduced after workout. Did a test , tried drinking only water post workout , sore like hell. ITS PROVEN to work. but not cheap.

  • 5
    Post-Factor Key Lime Pie

    Posted by Competitive Bodybuilder on 22nd Mar 2018

    Why didn't anybody tell me about post-factor key lime pie??!! I've been drinking the same boring chocolate and strawberry protein shakes for years! This post-factor key lime pie tastes like yakult!! Make sure you mix it with cold water and give it a good shake. Definitely my favourite!

  • 5
    Must have for legs days!

    Posted by Cat on 22nd Mar 2018

    I have tried blueberry and currently key lime pie which is my favorite. It's so hard so find protein shakes that doesn't make me gag. Only key lime pie doesn't. It is light and refreshing, which left me craving for more! Of cos it is not cheap so i save this for legs days only. If this is more affordable i will have it everyday after workout.

  • 5

    Posted by Unknown on 19th Mar 2018

    is it cheap ? no its not as with all blue star products. it does what it says.

  • 5
    key lime pie best

    Posted by Unknown on 15th Mar 2018

    tried with and without it after workout. clearly theres a difference in terms of recovery. less soreness

  • 5

    Posted by bell on 11th Mar 2018

    as usual all blue star products are not cheap. but it does what it says. for post workout. really felt less soreness after this.