Protein supplementation for renal care patients might at first glance appear irrelevant, since the kidneys, to most people, are more concerned with clearing out the impurities in the blood than with proteins. However, an understanding of how the kidneys work might enable you to understand why protein supplements might be of benefit in the case of kidney problems or even complete renal failure.

Most people know that their kidneys are responsible for producing urine that is passed to the bladder for storage prior to the urination that is trigged by pressure on the bladder. However, if you suffer, or have suffered from, kidney problems, then you might have a better appreciation of how the kidneys affect the protein in the blood.  This is particularly true if your renal care involves dialysis made necessary because of complete renal failure.

In addition to removing blood impurities, one particular function of the kidneys is to allow proteins to remain in the blood. The kidneys actively prevent blood protein from being passed into the urine. The impact this has on the need for protein supplementation is that impaired kidneys can fail to carry out this function. Keep in mind that they kidneys are active in enabling proteins to remain in circulation rather than passive.

What that means is that the proteins would be extracted into the urine if the kidneys did not actively prevent it. So faulty kidneys can allow the blood protein to be lost, so that the amino acids that the metabolism extracts from the protein are lost to your body. Amino acids are essential in creating new proteins to enable your body's biochemistry to maintain life, and if you lose too much of your blood proteins you could become extremely ill.

This is one of the reasons why kidney failure is so serious:  not just because your blood is not properly filtered of impurities, but also because of the potential loss of protein. Thus, if you suffer from kidney problems and are a renal care patient, you should take protein concentrates.

The protein needs of renal care patients, particularly those on dialysis, are enormous. Many doctors will recommend that you take at least 2 grams of protein per kilogram of your ideal weight. That's not your actual weight, but your ideal weight without any of the fluid retention that kidney problems can cause. So if your ideal weight would be 11 stone, or 70 Kg, you should take 140g protein each day.

The easiest way to take this is in the form of concentrated protein supplements in a form that is easily assimilated into your body.  Keep in mind that this does not mean 140 of chicken, but of raw protein: without the water, fat or carbohydrate content. Naturally this is not cut and dry, however, and you should easily be able to meet your protein needs, although a protein supplement will make it easier to assimilate into your body and also for you to retain.  Many dialysis patients have difficulty in retain a normal diet.

Well formulated protein supplementation will provide you with protein in a form that is easily converted into amino acids, unlike some foodstuffs that do not already contain the amino acids need to help process the proteins that renal care patients require for their good health.

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