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+ 21 "Force Feeding" concept: How to accelerate protein synthesis post-workout

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Protein synthesis... who on this site doesn't know this term? Hardly none... AAS's lend us a hand in accerlerating this process, no doubt. But as I hope you know, the gains are made in the kitchen not the gym. So, I want to give a different spin on this process as it relates to nutritional timing so that people can better understand this process and harness its full potential.

In each training manual published by the National Federation of Professional Trainers (NFPT), there is a concept known as the “force feeding concept” that will jumpstart your muscles' anabolic processes. All it takes is some fast-digesting protein such as whey protein, some fast-digesting carbs such as honey or sugar, and some form of light cardio after you hit the weights. Before I explain the application of this concept, allow me to give a brief explanation of the various processes that are affected inside the body so that you will understand why each step is so important.

Our body’s desired source of energy is carbohydrates. All of the carbs that we ingest are digested and broken down into a form of sugar, known as glucose, which is then released into the bloodstream to be used for energy purposes or to be stored for later use. Our bloodstream, however, only has the capacity to sustain a glucose level of approximately 20-25 g, which is 80-100 calories worth of carbs. Once this limit has been surpassed, the body responds by releasing the hormone insulin to regulate the increasing level of blood glucose.

Insulin’s primary function is to make blood glucose accessible to the body’s cells. There are three places that glucose can be stored. The first is inside the muscle. The second is inside the liver. The third is inside body fat. However, when glucose is stored in the fat cells, it’s stored as fat rather than as a form of carbohydrates.

Every cell in our body has what’s known as receptor sites. These receptor sites act as doorways that allow for the passage of certain molecules, but these doorways, so to speak, must be ‘unlocked’ in order for them to open. Insulin holds the key to the receptor sites located on the muscle cells, the liver cells, and the fat cells allowing for the uptake of cirulating glucose molecules.

Ideally, regardless of your fitness goals, you should strive to promote muscle growth while disallowing the accumulation of body fat. Now that we know what happens with the carbs that we consume, how can we control these processes so that we avoid storing them up in the fat cells? It’s actually very simple.

We now know that insulin is charged with the task of delivering blood glucose to the muscle, liver, and fat cells. The thing about the fat cells, though, is that they cannot release and store energy (glucose) at the same time. To avoid the storage of body fat while insulin is present, simply perform some type of light cardio for 15-20 minutes. During this time period, your metabolism will switch to a predominately fat-burning state.

When you lift weights, your muscles are expending the glucose that has been stored within the muscle’s cells. At the end of your workout, those stores are mostly depleted. This causes the receptor sites on the muscle’s cells to open up and allow for the uptake of glucose to replace the energy that has been expended. Insulin will actually bind to these receptor sites, making blood glucose more accessible to the muscles when they need it the most.

When we lift weights, we are actually tearing down our muscle fibers to the extent that they must be repaired. This repair process uses proteins to rebuild the broken-down muscle tissues, resulting in a larger and stronger muscle. However, this repair process does not begin immediately. After a strength training session, the muscle’s number one priority is to replace the energy that it expended during the training session. Until that priority has been met, the muscle-building processes will not take place.

That’s where your diet comes into play. This force feeding concept is designed to speed up these processes, so that you can tap into your body’s natural ability to build muscle much quicker, resulting in faster recovery and greater gains.

Now let’s take this information and put it into practical use.

Before your workout, prepare a protein shake that consists of at least 60 grams of fast-digesting protein and 60 grams of fast-digesting carbs (I like a 2:1 ratio). I prefer to use honey for the carbs because it contains some B vitamins, which are essential for energy metabolism, and I prefer to use whey protein because it digests very quickly. Depending on the bees, honey contains approximately 17 grams of simple sugars per tablespoon. It only takes 20-25 grams of fast-digesting carbs to stimulate the release of insulin; therefore, you want to provide slightly more than that to reap the benefits of force feeding.

Once you complete your weight-lifting session, drink the shake that you prepared beforehand. Then perform some type of light cardio for approximately 15-20 minutes; i.e, brisk walking or slow jogging. Nothing too intense because you want to initiate the oxidative, or aerobic, pathways to stimulate the fat cells to begin releasing their stored energy.

By the time insulin has begun to do its job, the fat cells will already be releasing their energy. This means that all the insulin-carried glucose has only two places to go: the muscle and the liver. Since you've mostly depleted your muscle glycogen stores during your workout, their cells will take up the majority of the insulin-carried glucose. This glucose will be used to meet the first priority of energy replacement.

The second priority in line is called protein synthesis (repairing/rebuilding muscle tissue). Because we chose to use a fast-digesting protein, such as whey, the protein entered the bloodstream at about the same time the glucose did, which means that it will be injected into the muscles’ cells almost immediately. You are literally ‘force feeding’ your muscles at this point.

If you were to consume a traditional meal after your workout, no matter how healthy that meal is, it will take some time for your digestive system to breakdown and absorb the solid foods. You have about a 60-90 minute window to replace the energy spent during your workout before your body begins to feed off itself (catabolism). By following the recommendations in this post, you’re consuming fast-digesting nutrients and you’re timing them perfectly so that you initiate the recovery and repair processes almost immediately.

Remember, no matter what your fitness goals are, always strive to improve your performance. The faster you recover, the stronger you become. The stronger you become, the more you can push yourself. The more you can push yourself, the better your performance.

Awaken The BeAsT's picture

Bro great post I know I am a couple of years late but have been doing at least 2 hours of research a night thank you for this honestly

Makwa's picture

Dang this is a good post. Definitely worth a bump. I was going to write something about nutrient timing but you have covered all of the bases here. People need to realize this concept or they are not going to maximize their gains.

Doss's picture

Lmao! Bro science?? You've lost your mind, brother!

This was a paper that I wrote while still in college and working towards my CPT cert. this is also a sports nutrition principle taught by the NFPT. those are facts derived from textbooks my friend. Nothing that I write in here consists of "bro science". Everything I write either comes from facts derived from a textbook or medical journals.

Seems you need to research my friend. Contrary to your beliefs, there is a science behind the subjects involved in health and human performance.

Doss's picture

You’re picking out pieces of this thread to pose your arguments from. While you are being factual in what you're saying, you're argument is not being kept within the context of this topic.

I’m not some gym rat that reads magazines and listens to the big dude at the gym, brother. I put in my work academically to gain a rather extensive understanding and working knowledge of the subjects revolving around health and human performance. My education is at a college level, and "bro science" is not something that I part take in much. After switching from health and human performance degree to business degree, I not only acquired sports nutritionist and personal trainer's certifications, but I taught the curriculum for the NFPT's CPT certification at a rec facility. I deal in facts, my friend, not bro science.

You’re correct: whole foods take time to digest and enter the blood stream. I am not talking about meal timing in the sense of eating a meal. I am talking about liquid food products comprised of fast digesting proteins and carbs.

The process of glycogen replacement itself does not affect protein synthesis. The goal of this article was for the average minded person to be able to comprehend and understand the key points. If you want me to get into further detail, I can do that.

During strenuous physical activity, muscle glycogen will be used for the synthesis of ATP. For glycogen to undergo this change, a series of chemical reactions must take place at a cellular level. It is enzymes and co-enzymes that are responsible for facilitating these chemical reactions, and they are referred to as cellular catalysts.

Cellular catalysts are responsible for performing all cellular work, including the breakdown of nutrients for energy or for repairing tissue, and their rate of depletion is directly related to the amount and duration of cellular work performed. Without catalysts, the muscle fiber would not function. For this reason, catalyst replenishment takes precedence over protein synthesis. Once catalysts have been replenished, the next basic cellular function can be performed (protein synthesis).

These catalysts are made primarily from the amino acids leucine, isoleucine, and valine (BCAAs). Since muscle tissue is comprised of approximately 60% of these amino acids, if blood proteins (i.e., dietary or otherwise) are insufficient for the replenishment of cellular catalysts, muscle tissue becomes the primary source; thereby, resulting in tissue breakdown.

It is this reason why "meal timing" is so important. Nutrients must be made available to the recovering cells in order to prevent tissue breakdown and allow for the repair process to begin. This is a physiological fact!

The purpose of choosing fast digesting carbs in conjunction with the proteins is to provide for both a quick release and delivery to the cells. because adipose tissues cannot release and store energy simultaneously, the low level cardio benefits us by stimulating the release of fatty acids so as to disallow the insulin-carried glucose from being stored as fat. Once again, this is a physiological fact, not "bro science".

because insulin binds to and opens up the receptors on the cells, having nutrients present in the blood stream at this moment is important to ensure that some of the BCAA's within the proteins can be used for replenishment of cellular catalysts, while the remainder can contribute to the current amino acid pool for the construction of new actin and myosin proteins as part of the repair process.

Having the glucose present allows for glycogen replenishment simultaneously, yes. But the objective was to get a post-workout insulin spike for nutrient delivery. Why do you think bodybuilders love insulin? It has many benefits for us here, and this is one of them. Your pancreas will produce all the insulin you want, with the right stimulus.

How’s that for bro science??

Doss's picture

No where in this excerpt of yours is the word insulin even brought up. They talk about protein balance in terms of meal timing as well as with ingesting of carbs. Do you even know how protein balance is measured? By measuring the amount of nitrogen in the urine. If the amount of nitrogen exceeds that of what was ingested, then the body is not using the ingested proteins to synthesize body proteins. Instead, they are being deaminated and used for energy purposes.

This has nothing to do with what I am demonstrating here. You're going a bit far to argue with years of medical and scientific data and call it bro science. Lol. Insulin is secreted in response to blood glucose levels. That's a physiological fact that is only an exception with insulin-dependent individuals.

You're obviously an intelligent guy, but you are incorrect. I'm not gonna continue to argue with you either. We can agree to disagree. Have a good one

Doss's picture

Once again: this is good but out of context. Your study talks about the insulintropic effects of whey, not the insulin response to carbohydrates - which is what I am expounding on here. You further go on and on about glycogen replenishment. Once again: I am expounding on the insulin response to the muscles cells via a nutritional stimulus.

I applaud you for standing up for what you believe. If you are on the brink of proving years of scientific data incorrect, I look forward to reading your articles in the news o separate from this. What you've posted is a great find, and I appreciate the input. However, it has yet to address or even show anything to the contrary of the key points in my original post.

Have a good day, sir!

Doss's picture

I like his style. But he and I will just have to agree to disagree on this one.

Doss's picture

No doubt brother. I appreciate the debate. Fr sent

Drywallstar's picture

Solid. I have been using whey isolate snd carbonix post session. Seems to replenish me fast.

Doss's picture

Good deal. Throw in enough sugars for that post workout insulin spike and kick that process into overdrive.

thekaz's picture

awesome thanks

boots2asses12's picture

thx doss u can never read good info enough!