Out of 10
Read 202 Reviews
Out of 10
Read 202 Reviews


Muscle Feeder!*
New Protein Technology Provides 12 Hour Sustained Release!*
Supported Goal: Build Muscle
Main Ingredient: Soy Protein
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Product Overview

  • 7x more anabolic than whey*
  • Clinically tested sustained
    release protein complex*
  • High levels of Glutamine,
    Argenine & BCAA's
  • 4 Delicious flavors

Sustained release 12 hour
Muscle feeder technology

Probolic-SR - 7x more anabolic than Whey!*

PROBOLIC-SR, the world’s first combination protein supplement of its kind, is formulated to provide fast, medium and slow releasing proteins in one advanced formula. The combination of these precise muscle building proteins provides far greater anabolic and anti-catabolic benefits than any other single protein supplement. A recent landmark clinical study confirms that consuming a blend of proteins as found exclusively in PROBOLIC-SR supplies a prolonged delivery of highly anabolic amino acids to the muscles. This combination increases the “anabolic window,” making PROBOLIC-SR an incredible 7X more anabolic than whey when consumed post-exercise!+

And now the world’s most anabolic protein has gotten even better. MHP’s R&D team has improved the flavors of PROBOLIC-SR to provide an even more delicious and creamy texture for athletes looking to optimize muscle development! If you’re looking for explosive muscular growth, maximum anabolic effects and a creamy, delicious protein shake, you can count on PROBOLIC-SR.

PROBOLIC-SR is gym tested and research proven…Test it for yourself!*

“I drink a Probolic-SR protein shake every night before bed and 30 minutes after training to keep me anabolic all day long. Probolic-SR has helped me get bigger and stronger every year!”

It is well established that consuming protein before or after exercise is critical for optimizing performance, recovery and muscle growth. However, with so many different proteins on the market, how do you choose the one that’s best? There has been constant debate among athletes and scientists whether people should opt for fast or medium digesting proteins like whey and soy, respectively, or the more sustained anabolic response that a slow digesting protein like casein can provide. Based on the latest scientific discoveries, MHP developed PROBOLIC-SR, a revolutionary protein blend consisting of fast, medium and slow release proteins (whey, soy and casein, respectively). Clinical research suggests this precise blend of proteins to be to be 7X more anabolic than whey!*


A ground breaking clinical study showed that the protein blend used in PROBOLIC-SR is indeed superior to whey protein alone (Reidy, et al., 2014). In this study, researchers compared the blend of proteins in PROBOLIC-SR to a whey protein supplement. Subjects were given the protein supplements post-workout, following a bout of resistance exercise. Results showed a 7X greater anabolic response in muscle over 4 hours post-workout following consumption of the specific protein blend used in PROBOLIC-SR versus whey protein alone!+


PROBOLIC-SR is clinically shown to be more powerful than whey for muscle building, but what makes it so anabolic? First, scientists suggest that the benefits of PROBOLIC-SR’s protein blend comes from providing a combination of fast, medium and slow release of proteins to support a quick anabolic response needed for times such as post-exercise.* It also supports sustained anabolism for hours long after you have your shake.

The superior amino acid profile of PROBOLIC-SR may also contribute to its anabolic attributes. Amino acids are the building blocks for muscle tissue, so you must have adequate amounts of aminos to feed your muscles in order for them to grow. Scientists have identified five amino acids that are extremely important for stimulating and supporting muscular growth. These are known as the Critical Five Amino Acids – glutamine, arginine and the BCAAs (leucine, isoleucine and valine). PROBOLIC-SR provides a massive dose of the Critical Five Amino Acids, thereby supporting extreme muscle anabolism.


If this were not enough, MHP’s R&D team sought to improve and extend muscle anabolism even further by enhancing the proteins in PROBOLIC-SR. This was accomplished by adding a patented Sustained Release Micro-Feed Technology. This micro-feed system employs a proprietary natural coating to microencapsulate the proteins to meter their release in the stomach. As the natural coating erodes, the proteins are exposed to gastric juices and then dissolved so that they can become absorbed into the bloodstream. This groundbreaking technology used exclusively in PROBOLIC-SR allows for a continual supply of amino acids to your muscles for up to 12 hours!

Due to PROBOLIC-SR’s unique sustained release delivery system, it has become the protein supplement of choice for post-workout muscle building and recovery, plus nighttime use for sustained muscle anabolism during sleep.* This is because when PROBOLIC-SR is taken before bedtime, its patented Micro-Feed Technology will supply high levels of the Critical Five Amino Acids for up to 12 hours, to help keep you anabolic all night. But PROBOLIC-SR can actually be used “anytime” due to its exclusive 4-stage sustained release delivery system. It is also perfect for pre-workout use because its medium and slower release proteins (2-6 hours) will keep supplying aminos and support an anabolic state throughout your workout. PROBOLIC-SR will help ensure you don’t slip into catabolism between meals, during workouts or during the night while you sleep.* Simply put, PROBOLIC-SR is the all day, anytime protein choice!


The world’s most anabolic protein now tastes better than ever! MHP’s R&D team has improved the flavors of PROBOLIC-SR to provide an even more delicious and creamy texture for athletes looking to optimize muscle growth.* If you’re looking for explosive muscular growth, maximum anabolic effects and a creamy, delicious protein shake, you can count on PROBOLIC-SR.

PROBOLIC-SR is gym tested and research proven…Test it for yourself!

Ratings & Reviews

Out of 10
Probolic-SR Reviews
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    7.9 | 53 Ratings
    8.5 | 6 Flavors
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What's in MHP Probolic-SR

2 Lbs. Banana Cream
Supplement Facts
Serving Size1Scoop(28g)
Servings Per ContainerApproximately 28
Amount Per Serving
Calories 130
Calories From Fat 35
% Daily Value
Total Fat 4g 6%
Saturated Fat 2g 10%
Trans Fat 0g
Cholesterol <5mg 1%
Total Carbohydrate 2g 1%
Sugars <1g
Dietary Fiber 0g 0%
Protein 20g 40%
Calcium 670mg 67%
Iron 3.5mg 20%
Phosphorus 490mg 49%
Sodium 230mg 10%
Potassium 310mg 9%
Amino Acid Profile
Mg Per 100g Of Protein
Alanine 4,230mg
Arginine 7,040mg
Aspartic Acid 11,130mg
Cystine 1,250mg
Glutamine* 21,710mg
Glycine 3,830mg
Histidine 2,600mg
Isoleucine 5,950mg
Leucine 7,650mg
Lysine 6,500mg
Methionine 1,380mg
Phenylalanine 5,100mg
Proline 5,430mg
Serine 5,180mg
Threonine 3,890mg
Tryptophan 1,280mg
Tyrosine 3,860mg
Valine 6,010mg
Total Amino Acids 104,020mg
Critical Five Amino Acids *as Glutamic Acid 48,360mg
Percent Daily Values are based on a 2,000 calorie diet
Daily Value not established
Other Ingredients
Probolic Sustained Release Amino Acid Enhanced Protein Matrix [Supro Soy Protein Isolate (With Lecithin), Calcium Caseinate, And Whey Protein Concentrate, Branch Chain Amino Acid Blend (L-Isoleucine, L-Leucine, L-Valine)], Lipobolic Advanced Lipid Complex [Medium Chain Triglycerides Complex, Borage Seed Oil Powder (10% GLA), Conjugated Linoleic Acid Complex (78% CLA), Evening Primrose Seed Oil (4.8% GLA), Flaxseed Powder (8% ALA), Omega III Complex (7.5% EPA & DHA), Stearic Acid, Natural And Artificial Flavors, Gum Blend (Cellulose Gum, Xanthan Gum, And Carrageenan), Citric Acid, Silica, Lecithin, Acesulfame Potassium, Sucralose.
Contains Milk, Soy, And Fish.

Directions For Probolic-SR: Mix 1 to 2 scoops of Probolic-SR with 8 to 16 oz. of water in a shaker bottle or blender. Consume 2-3 servings a day or use as recommended by a physician or licensed nutritionist.

* 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.
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