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    Thread: Protein prior to rest/recovery/sleep (Medical Study included)

    1. #1
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      Protein prior to rest/recovery/sleep (Medical Study included)


      Eating for recovery before bed..Facts vs Myths

      I just wanted to put this out there, because to many bro's advocate-

      "Long as you hit your required protein macros before bed then there is no need to take it before bed.""

      There is some absolute truth with consuming slow/fast acting proteins.

      The speed of absorption of dietary amino acids varies according to the type of ingested dietary protein... Learn just how important slow and fast proteins, taken at the appropriate time, can affect your ability to put on lean mass.
      Many people avoid eating right before bed as they fear that the calories are more likely to be stored as fat. This is not the case though. Your body doesn't have an on-off switch and you still burn calories while you sleep. According to the American Dietetic Association, it's excess calories that determine whether you gain weight, not when you eat them. Too many calories at breakfast or lunch will be just as detrimental as too many calories right before bed.

      Premise
      As much as we may think of bodybuilding as a cloistered subculture, we are forever bombarded with training and nutritional tips from sources far removed from squat racks and posing daises. So it is with this axiom, which is such a ubiquitous feature of the sort of diets Oprah hypes that many beginning bodybuilders dare not breach it, and it breeds confusion about what and when to eat to gain only muscle and not fat


      Science
      When you sleep, you?re on a fast. During that fast, your body is forced to turn to your own muscle protein for fuel, converting those amino acids into glucose. In other words, while you?re in dreamland, you?re experiencing the nightmare of cannibalizing your own muscles. The longer you go before sleep without eating, the more your muscle will be eaten away. That?s why we always recommend that you end your day with a slow-digesting protein, such as a casein protein shake or cottage cheese.
      (
      Research from Groups located in Texas, and even the Netherlands discovered that trained bodybuilders drinking a casein protein shake right before bed for eight weeks gained significantly more muscle than those who consumed the same casein shake in the middle of the day.)

      Verdict
      We started with the easiest myth to shoot down, for not only is it OK to chow down long after sundown, it?s crucial to eat a protein meal immediately before going to bed in order to feed your muscles the nutrients they need to recover and grow while you sleep. Go with 20-40 grams of slow-digesting protein, such as a casein shake or cottage cheese. If you?re trying to pack on mass and don?t store fat easily, take your protein with about 20-40 g of slow-digesting carbs, such as oatmeal, sweet potatoes or whole-wheat bread.


      Now with this being said:
      Read the study and see the charts in regards to why a slow releasing protein has a full advantage (pre-sleep)


      Slow and fast dietary proteins differently modulate postprandial protein accretion. Boirie Y, et al. Proc Natl Acad Sci U S A. 1997 Dec 23;94(26):14930-5.Full text at:
      Proc. Natl. Acad. Sci. USA
      Vol. 94, pp. 14930?14935, December 1997
      Physiology
      Slow and fast dietary proteins differently modulate postprandial
      protein accretion
      (amino acid turnoverypostprandial protein anabolismymilk proteinystable isotopes)
      YVES BOIRIE*, MARTIAL DANGIN*?, PIERRE GACHON*, MARIE-PAULE VASSON?, JEAN-LOUIS MAUBOIS?,
      AND BERNARD BEAUFRE`RE*?
      *Laboratoire de Nutrition Humaine, Universite? Clermont Auvergne, Centre de Recherche en Nutrition Humaine, BP 321, 63009 Clermont-Ferrand Cedex 1,
      France; ?Nestec, Ltd., Nestle? Research Center, P.O. Box 44, CH 1000 Lausanne 26, Switzerland; ?Laboratoire de Biochimie, Biologie Mole?culaire et Nutrition,
      Universite? Clermont Auvergne, BP 38, 63001 Clermont-Ferrand Cedex 1, France; and ?Laboratoire de Technologie Laitie`re, Institut National de la Recherche
      Agronomique, 35042 Rennes Cedex, France
      Communicated by John Waterlow, University of London, London, United Kingdom, October 7, 1997 (received for review April 20, 1997)
      ?
      In relation to the 1997 Boirie study, Lyle summarized that the researchers found the following: whey spiked blood amino acid levels faster than casein, but blood amino acid levels dropped more quickly as well. Casein, in contrast, took much longer to digest, actually providing amino acids for around 8 hours to the body ... Both casein and whey hit the bloodstream at about the same time (about an hour in), that is, whey didn?t actually get into the system faster. However, whey spiked blood amino acid levels higher at that one hour point.


      ABSTRACT

      The speed of absorption of dietary amino
      acids by the gut varies according to the type of ingested dietary
      protein. This could affect postprandial protein synthesis,
      breakdown, and deposition. To test this hypothesis, two intrinsically
      13C-leucine-labeled milk proteins, casein (CAS)
      and whey protein (WP), of different physicochemical properties
      were ingested as one single meal by healthy adults.
      Postprandial whole body leucine kinetics were assessed by
      using a dual tracer methodology. WP induced a dramatic but
      short increase of plasma amino acids. CAS induced a prolonged
      plateau of moderate hyperaminoacidemia, probably
      because of a slow gastric emptying. Whole body protein
      breakdown was inhibited by 34% after CAS ingestion but not
      after WP ingestion. Postprandial protein synthesis was stimulated
      by 68% with the WP meal and to a lesser extent (131%)
      with the CAS meal. Postprandial whole body leucine oxidation
      over 7 h was lower with CAS (272 6 91 mmolzkg21) than with
      WP (373 6 56 mmolzkg21). Leucine intake was identical in
      both meals (380 mmolzkg21). Therefore, net leucine balance
      over the 7 h after the meal was more positive with CAS than
      with WP (P < 0.05, WP vs. CAS). In conclusion, the speed of
      protein digestion and amino acid absorption from the gut has
      a major effect on whole body protein anabolism after one
      single meal. By analogy with carbohydrate metabolism, slow
      and fast proteins modulate the postprandial metabolic response,
      a concept to be applied to wasting situations.
      Dietary carbohydrates are commonly classified as slow and fast
      because it now is well recognized that their structure affects
      their speed of absorption, which in turn has a major impact on
      the metabolic and hormonal response to a meal (1). On the
      other hand, little is known about whether postprandial protein
      kinetics are affected by the speed of absorption of dietary
      amino acids; the latter is very variable, depending on gastric
      and intestinal motility, luminal digestion, and finally mucosal
      absorption. This lack of data is due to the fact that postprandial
      amino acid kinetics have been studied almost exclusively
      during continuous feeding, obtained either by a nasogastric
      infusion or by small repeated meals (2?7). Measurements are
      done 2?4 h after initiation of feeding, once isotopic and
      substrate steady-state is achieved. Under these conditions, any
      difference related to the speed of dietary amino acid absorption
      is blunted.
      There is, however, indirect evidence that this parameter
      might be of importance. Indeed, the postprandial amino acid
      levels differ a lot depending on the mode of administration of


      a dietary protein; a single protein meal results in an acute but
      transient peak of amino acids (9?11) whereas the same amount
      of the same protein given in a continuous manner, which
      mimics a slow absorption, induces a smaller but prolonged
      increase (12). Amino acids are potent modulators of protein
      synthesis, breakdown, and oxidation, so such different patterns
      of postprandial amino acidemia might well result in different
      postprandial protein kinetics and gain. Of interest, whole body
      leucine balance, an index of protein deposition, was shown
      recently to differ under these two circumstances (13).
      Therefore, our hypothesis was that the speed of absorption
      by the gut of amino acids derived from dietary proteins might
      affect whole body protein synthesis, breakdown, and oxidation,
      which in turn control protein deposition. To test this hypothesis,
      we compared those parameters, assessed by leucine
      kinetics, after ingestion of a single meal containing either whey
      protein (WP) or casein (CAS), taken as paradigms for ??fast??
      and ??slow?? proteins, respectively. Indeed, WP is a soluble
      protein whereas CAS clots into the stomach, which delays its
      gastric emptying and thus probably results in a slower release
      of amino acids (14). Speed of amino acid absorption was
      directly assessed by using a newly developed tracer, i.e., milk
      protein fractions intrinsically labeled with L-[1-13C]leucine
      (15). Leucine kinetics were modelized by using non-steadystate
      equations as recently described (16). Our results demonstrate
      that amino acids derived from CAS are indeed slowly
      released from the gut and that slow and fast proteins differently
      modulate postprandial changes of whole body protein
      synthesis, breakdown, oxidation, and deposition.


      I just wanted to post some of the study.. I will include the hyper link below that provides full detail,in regards to fast/slow proteins/and aminos..

      (Slow and fast dietary proteins differently modulate postprandial protein)

      Now with this being said more reads in regards-


      ne)levels peak during sleep. 75 percent of daily hGH output is produced nse to get all the nutrients you'll need, then let the GH do
      tNow what protein is the best to
      consume prior to sleeping?
      "Casein "

      Keep reading

      What is casein protein?
      Casein (pronounced kay-seen) is the predominant protein found in milk. It is made by separating the casein from the whey in dairy (milk protein is 80 percent casein and 20 percent whey). There are three main types of casein protein: micellar casein, milk protein isolate and calcium caseinate. On average, one scoop (30 grams) of casein protein powder has approximately 100-120 calories and 25 grams of protein.

      Besides its slow-digesting benefits, casein is invaluable for its high glutamine content. Of all the protein powders available, casein has the highest concentration of this amino acid. Glutamine provides a multitude of functions, which include increasing levels of the branched chain amino acid leucine in muscle fibers, enhancing protein synthesis and therefore, muscle growth. Because the immune system requires glutamine to function, consuming extra glutamine prevents the immune system from stealing it from muscle fibers, further averting catabolism. Glutamine also boosts growth hormone levels and can even aid fat loss by increasing the amount of calories and body fat burned both at rest and during exercise.

      Do ?blended? proteins offer the same effect as straight casein?
      Either protein supplements are straight whey, soy, egg or casein; or they are a combination of any or all of these kinds of proteins, making them blends. What can a blend of proteins offer that a straight protein cannot? Basically, different rates of digestion. This means you can take a blended protein any time to get quick, medium, and prolonged absorption of protein.


      But, I really like my ?whey? protein supplement.
      Turn your favorite whey protein shake into a slow digesting one by simply mixing with milk, preferably low fat or skimmed. While casein protein is ?optimal? before bed, don?t forget that milk is 80 percent casein, adding it to any whey protein will slow down its absorption. Adding a fat such as natural peanut butter, flax or other healthy fat can further slow digestion, thus ?mimicking? casein protein.

      _____________________________

      To close the read and get to the conclusion here..
      Don't deprive yourself, and fall for the hoopla that if you consume your proper intake of macro's that you don't need protein prior to rest/recovery(sleep)..
      It most certainly won't hinder your gains on a large scale,but it surely is more beneficial than going without!

      Regards,
      Vision

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      Always drink casin before bed

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      I read something on this years ago so I do make sure I take in my protein. Even about 16yrs ago I had a training partner who told me to make a shake and drink half before bed and the other half when I wake up to piss. I think back then it worked for me and it made sense. Good article a lot of people seem to still be confused by this.

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      I eat beef before bed due to its slow digestion.

      GREAT info about adding milk to the whey isolate. I am severely lactose intolerant, so casein is completely out...even whey concentrate is out (99.9% lactose free, then concentrated, creates a WMD zone around cybr). But I can use lactose free milk and BOOM! I have casein!

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