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Precautions

Because of the potential for side effects and interactions with medications, dietary supplements should be taken only under the supervision of a knowledgeable healthcare provider.

Glutamine powder should not be added to hot beverages because heat destroys this amino acid. Glutamine supplements should also be kept in a dry location. Moisture leads to breakdown of this substance.

People with kidney disease, liver disease, or Reye's syndrome (a rare, sometimes fatal disease of childhood that is generally associated with use of aspirin in conjunction with chicken pox or an upper respiratory illness) should not take glutamine.

Many elderly people have diminished kidney function and may need to reduce the dose of glutamine.

Glutamine is different from glutamate (glutamic acid), monosodium glutamate, and gluten. Glutamine will not cause symptoms (headaches, facial pressure, tingling, or burning sensation) associated with sensitivity to monosodium glutamate. People who are gluten sensitive can use glutamine without problems.


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Possible Interactions

If you are currently being treated with any of the following medications, you should not use glutamine supplements without first talking to your healthcare provider.

Cancer Therapy
Glutamine may increase the effectiveness and reduce the side effects of chemotherapy treatments with doxorubicin, methotrexate, and 5-fluorouracil in people with colon cancer. Similarly, preliminary studies suggest that glutamine supplements may prevent nerve damage associated with a medication called paclitaxel, used for breast and other types of cancers.

However, test tube studies suggest that glutamine may actually stimulate growth of tumors. Much more research is needed before it is known whether it is safe to use glutamine if you have cancer.
 
Supporting Research

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Abcouwer SF. The effects of glutamine on immune cells [editorial]. Nutrition. 2000;16(1):67-69.

Akobeng AK, Miller V, Stanton J, Elbadri AM, Thomas AG. Double-blind randomized controlled trial of glutamine-enriched polymeric diet in the treatment of active Crohn's disease. J Pediatr Gastroenterol Nutr. 2000;30(1):78-84.

Alexander JW, Ogle CK, Nelson JL. Diets and infection: composition and consequences. World J Surg. 1998;22(2):209-212.

Amores-Sanchez MI, Medina MA. Glutamine, as a precursor of glutathione, and oxidative stress. Mol Genet Metab. 1999;67(2):100-105.

Antoon AY, Donovan DK. Burn Injuries. In: Behrman RE, Kliegman RM, Jenson HB, eds. Nelson Textbook of Pediatrics. Philadelphia, Pa: W.B. Saunders Company; 2000:287-294.

Bellows CF, Jaffe BM. Glutamine is essential for nitric oxide synthesis by murine macrophages. J Surg Res. 1999;86(2):213-219.

Berger M, Spertini F, Shenkin A, et al. Trace element supplementation modulates pulmonary infection rates after major burns: a double-blind, placebo-controlled trial. Am J Clin Nutr. 1998;68:365-371.

Bozzetti F, Biganzoli L, Gavazzi C, et al. Glutamine supplementation in cancer patients receiving chemotherapy: a double-blind randomized study. Nutrition. 1997;13:748-751.

Buchman AL. Glutamine: commercially essential or conditionally essential? A critical appraisal of the human data. Am J Clin Nutr. 2001;74(1):25-32.

Cao Y, Kennedy R, Klimberg VS. Glutamine protects against doxorubicin-induced cardiotoxicity. J Surg Res. 1999;85:178-182.

Castell LM, Newsholme EA. The effects of oral glutamine supplementation on athletes after prolonged, exhaustive exercise. Nutrition. 1997;13:738–742.

Charland SL, Bartlett DL, Torosian MH. A significant methotrexate-glutamine pharmacokinetic interaction. Nutr. 1995;11:154-158.

Clark RH, Feleke G, Din M, et al. Nutritional treatment for acquired immunodeficiency virus-associated wasting using beta-hydroxy-beta-methylbutyrate, glutamine, and arginine: a randomized, double-blind placebo-controlled study. JPEN: J Parenter Enteral Nutr. 2000;24(3):133-139.

Daniele B, Perrone F, Gallo C, et al. Oral glutamine in the prevention of fluorourcil induced intestinal toxicity: a double blind, placebo controlled, randomized trial. Gut. 2001;48:28-33.

Decker GM. Glutamine: indicated in cancer care? Clin J Oncol Nurs. 2002;6(2):112-115.

Decker-Baumann C, Buhl K. Reduction of chemotherapy-induced side-effects by parenteral glutamine supplementation in patients with metastatic colorectal cancer. Eur J Cancer. 1999;35:202-207.

Den Hond E. Hiele M, Peeters M, Ghoos Y, Rutgeerts P. Effect of long-term oral glutamine supplements on small intestinal permeability in patients with Crohn's disease. JPEN: J Parenter Enteral Nutr. 1999;23:7–11.

De-Souza DA, Greene LJ. Pharmacological nutrition after burn injury. J Nutr. 1998;128:797-803.

Dieleman LA, Heizer WD. Nutritional issues in inflammatory bowel disease. Gastroenterol Clin North Am.1998;27(2):435-451.

Duffy MM, Regan MC, Ravichandran P, et al. Mucosal metabolism in ulcerative colitis and Crohn's disease. Dis Colon Rectum. 1998;41(11):1399-1405.

Erickson R, Ross D, Medina J. Effects of glutamine on head and neck squamous cell carcinoma. Otolaryngol Head Neck Surg. 1999;121(4):348-354.

Field CJ, Johnson IR, Schley PD. Nutrients and their role in host resistance to infection. J Leukoc Biol. 2002 Jan;71(1):16-32.

Fujita T, Sakurai K. Efficacy of glutamine-enriched enteral nutrition in an experimental model of mucosal ulcerative colitis. Br J Surg. 1995;82(6):749-751.

Furukawa S, Saito H, Fukatsu K, et al. Glutamine-enhanced bacterial killing by neutrophils from postoperative patients. Nutrition. 1997;13(10):863-869.

Furukawa S, Saito H, Inaba T, et al. Glutamine-enriched enteral diet enhances bacterial clearance in protracted bacterial peritonitis, regardless of glutamine form. JPEN: J Parenter Enteral Nutr. 1997;21(4):208-214.

Furukawa S. Saito H, Inoue T, et al. Supplemental glutamine augments phagocytosis and reactive oxygen intermediate production by neutrophils and monocytes from postoperative patients in vitro. Nutrition. 2000;1695):323-329.

Garlick PJ. Assessment of the safety of glutamine and other amino acids. [Review].
J Nutr. 2001 Sep;131(9 Suppl):2556S-61S.

Gianotti L, Alexander JW, Pyles T, Fukushima R. Arginine-supplemented diets improve survival in gut-derived sepsis and peritonitis by modulating bacterial clearance. Ann Surg. 1993;217(6):644-654.

Grimm H, Kraus A. Immunonutrition--supplementary amino acids and fatty acids ameliorate immune deficiency in critically ill patients. Langenbecks Arch Surg. 2001 Aug;386(5):369-376.

Jebb SA, Osborne RJ, Maughan TS. 5-fluorouracil and folinic acid-induced mucositis: no effect of oral glutamine supplementation. Br J Cancer. 1994;70: 732-735.

Levy J. Immunonutrition: the pediatric experience. Nutrition. 1998;14(7-8):641-647.

Medina MA. Glutamine and cancer. J Nutr. 2001;131(9 Suppl):2539S-2542S; discussion 2550S-2551S.

Meyer NA, Muller MJ, Herndon DN. Nutrient support of the healing wound. New Horizons. 1994;2(2):202-214.

Miller AL. Therapeutic considerations of L-glutamine: a review of the literature. Altern Med Rev. 1999;4(4):239-248.

Naka S, Saito H, Hashiguchi Y, et al. Alanyl-glutamine-supplemented total parenteral nutrition improves survival and protein metabolism in rat protracted bacterial peritonitis model. J Parenter Enteral Nutr. 1996;20(6):417-423.

Napoli M. Chemo effect alleviated. Health Facts. October 1998;23:6.

Neu J, DeMarco V, Li N. Glutamine: clinical applications and mechanism of action. Curr Opin Clin Nutr Metab Care. 2002;5(1):69-75

Noyer CM, Simon D, Borczuk A, Brandt LJ, Lee MJ, Nehra V. A double-blind placebo-controlled pilot study of glutamine therapy for abnormal intestintal permeability in patients with AIDS. Am J Gastroenterol. 1998;93:972–975.

Okuno SH, Woodhouse CO, Loprinzi CL. Phase III controlled evaluation of glutamine for decreasing stomatitis in patients receiving fluorouracil (5-FU)-based chemotherapy. Am J Clin Oncol. 1999;22:258-261.

Opara EC, Petro A, Tevrizian A, et al. L-glutamine Supplementation of a high fat diet reduces body weight and attenuates hyperglycemia and hyperinsulinemia in C57BL/6J mice. J Nutr. 1996;126:273-279.

Pizzorno JE, Murray MT. Textbook of Natural Medicine. Vol 1. 2nd ed. Edinburgh: Churchill Livingstone; 1999:527-528.

Reeds PJ, Burrin DG. Glutamine and the bowel. J Nutr. 2001;131(9 Suppl):2505S-8S.

Rouse K, Nwokedi E, Woodliff JE, et al. Glutamine enhances selectivity of chemotherapy through changes in glutathione metabolism. Ann Surg. 1995;221: 420-426.

Rowbottom DG, Keast D, Morton AR. The emerging role of glutamine as an indicator of exercise stress and overtraining. [Review]. Sports Med. 1996;21(2):80-97.

Rubio IT, Cao Y, Hutchins LF, et al. Effect of glutamine on methotrexate efficacy and toxicity. Ann Surg. 1998;227:772-780.

Shabert JK, Winslow C, Lacey JM, Wilmore DW. Glutamine antioxidant supplementation increases body cell mass in AIDS patients with weight loss: a randomized, double-blind controlled trial. Nutrition. 1999;11:860-864.

Shabert JK, Wilmore DW. Glutamine deficiency as a cause of human immunodeficiency virus wasting. Med Hypotheses. March 1996; 46:252–256.

Skubitz KM, Anderson PM. Oral glutamine to prevent chemotherapy induced stomatitis: a pilot study. J Lab Clin Med. 1996;127:223-228.

Tavares DC, Cecchi AO, Antunes LM, et al. Protective effects of the amino acid glutamine and of ascorbic acid against chromosomal damage induced by doxorubicin in mammalian cells. Teratog Carcinog Mutagen. 1998;18:153-161.

Turowski GA, Rashid Z, Hong F, Madri J, Basson MD. Glutamine modulates phenotype and stimulates proliferation in human colon cancer cell lines. Cancer Res. 1994;54:5974-5980.

Vahdat L, Papadopoulos K, Lange D, et al. Reduction of paclitaxel-induced peripheral neuropathy with glutamine. Clin Cancer Res. 2001;7(5):1192-1197.

Wilmore DW. The effect of glutamine supplementation in patients following elective surgery and accidental injury. [Review]. J Nutr. 2001;131(9 Suppl):2543S-9S; discussion 2550S-1S.

Yoshida S, Matsui M, Shirouzu Y, Fujita H, Yamana H, Shirouzu K. Effects of glutamine supplements and radiochemotherapy on systemic immune and gut barrier function in patients with advanced esophageal cancer. Ann Surg. 1998;227:485–491.

Ziegler TR. Glutamine supplementation in cancer patients receiving bone marrow transplantation and high dose chemotherapy. [Review]. J Nutr. 2001;131(9 Suppl):2578S-84S; discussion 2590S.


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Review Date: April 2002
Reviewed By: Participants in the review process include: Jacqueline A. Hart, MD, Department of Internal Medicine, Newton-Wellesley Hospital, Harvard University and Senior Medical Editor Integrative Medicine, Boston, MA; Gary Kracoff, RPh (Pediatric Dosing section February 2001), Johnson Drugs, Natick, Ma; Steven Ottariono, RPh (Pediatric Dosing section February 2001), Veteran's Administrative Hospital, Londonderry, NH; Margie Ullmann-Weil, MS, RD, specializing in combination of complementary and traditional nutritional therapy, Boston, MA. All interaction sections have also been reviewed by a team of experts including Joseph Lamb, MD (July 2000), The Integrative Medicine Works, Alexandria, VA;Enrico Liva, ND, RPh (August 2000), Vital Nutrients, Middletown, CT; Brian T Sanderoff, PD, BS in Pharmacy (March 2000),

Copyright Š 2002 A.D.A.M., Inc
 
Sada faza DVA. Kreatin.

Kod zdrave osobe, kreatin se poizvodi u jetri, pankreasu i bubrezima, ali prvenstveno je koncentrisan u misicima i srcu. Proteini animalnog podretla su glavni izvor kreatina pa se tako dnevno kroz ishranu moze nakupiti 1-2 grama ove supstance.

Ucinak sintetskog kreatinina je visestruk; iz sistema za varenje ulazi u krvotok, prolazi staničnu membranu i unosi vodu u misicno tkivo (1 g kreatina unese oko 50 g vode u misicnu membranu, cime ona postaje jaca i cvrsca). Ovako hidrirana stanica se stimulise na sintezu novih proteina, a ujedno se sprecava razgradnja tkiva. Takodje se belezi povecanje misicne mase, te povecanje snage i izdrzljivosti kod sportista.
Sinteticki kreatin moze se naci pod imenom Kreatin monohidrat. Ne preporucuje se da se mesa ga s mlekom, niti da se konzumira uz napitke bogate kofeinom. Za sad nisu poznati stetni sporedni ucinci, no ipak se ne preporucuje ljudima koji boluju od poremecaja funkcije bubrega i jetre.

Kreatin utice na zadrzavanje vode u organizmu. Zadrzavanje vode je nepozeljno, neugodno stanje koje karakterizira nadimanje, narocito tkiva u okolini misica. No imajte na umu da stvaranje misicne mase zapocinje sa 75% vode. Ta je hidratacija početna faza proteinske sinteze. Uzimanje cistog kreatina rezultira punijim, okruglijim misicima.


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Procitaj ove tekstove, stavi prst na celo i dobro razmisli. Ja za razliku od tebe ne pricam napamet.

Druga stvar, ja sam odavno navikao na male, neznacajne ljude sa mizernim zivotima kao sto si ti. Ko zna mozda gresim, ali toliko si ti do sada pokazao o sebi...
Tvoja vredjanja su samo odraz tvog karaktera i tvoje sposobnosti da komuniciras sa ljudima. Ovo ti nije skolsko dvoriste gde ces se pokazati kao mangup tako sto ces ponizavati druge. Pre nego sto udjes u diskusiju proveri sa kim pricas.
Ajde cuvaj se
 
Dragi Urose,skidam kapu i izvinjavam se zbog krajnje neumesnih stvari koje sam izrekao- pokopao si moje tvrdnje dokazima a to postujem.Moja prva reakcija na Borisovo pisanje je bila takva jer ne trpim price o tome kako su svi suplementi stetni i beskorisni,ali fakat je da sam bio nepristojan i bahat.Medjutim i pored svog postovanja prema tvom znanju te sadrzaju koji si vec izneo pred oci svima,sto ce svi koje to zanima nadam se umeti da cene,zaboravio si da napomenes kljucnu,po meni,ulogu kreatina- obnavljanje rezervi ATP-a u misicnim celijama,te njihov znacajno veci unos njegovim koriscenjem,sto nadam se bar donekle objasnjava moju tzv"dodatnu energiju",na kraju krajeva Linford Kristi je postao ono sto jeste zahvaljujuci njemu.Takodje bih te zamolio da ni ti ne pravis predrasude na prvu loptu,jer zahvaljujuci koriscenju kreatina i glutamina ja zaista jesam za relativno kratko vreme postigao znacajne rezultate-te je moja preporuka o njihovom koriscenju upravo i zaista to- iskrena preporuka.S postovanjem...
 
UrosWasHere:
Aspirin siri krvne sudove sto olaksava transportaciju kofeina i guarane u krvi do misica. To deluje kao jako dobar stimulans tako da se manje oseca umor i moze se vise(tj. jace) trenirati. Rezultat jaceg treninga je bolja fizicka sprema i veca kondicija.
Ovo mozes da uzimas pre kondicionog treninga kao stimulans.
Logicno nema nikakve svrhe uzimati ovo u bilo koje vreme osim pre treninga.
Jos nesto posto je krofein diuretik tj. "izvaci vodu" treba piti dosta vode za vreme treninga da ne bi doslo do dehidratacije.
Ako pijes i kreatin, nikako nemoj da pijes barem dva sata posle unosa krofeina, jer bi tada unos izgubio svaki smisao.
Kapiram da ni ti ne kapiraš kako to može "guarana" da se transportuje do mišića.
Dva glavna sastojka što guaranu čini posebnom jesu visoka vrednost kofeina i još veća vrednost TAURINA!!! Verujem da o kofeinu verujem dosta znamo. Taurin je aminokiselina koja blokira receptore za pospanost, u mozgu, tako da ama baš nikakve veze nema sa mišićima. Nazivaju je energetski napitak iako nije, ali poseduje te stimulativne supstance pa se čovek oseća energetski nabijenijim.
Kreatin i kofein. Možda ta tvoja konstatacija deluje kao tačna, ali ipak nije. Naime, u organizmu imamo vezanu i nevezanu vodu. Kreatin drži vezanu vodu unutar ćelija, a kofein izbacuje nevezanu vodu (potkožnu,...)... Kad bi veći deo vode u organizmu bio nevezan, onda bi gravitacija od tela napravila krušku, ili tako nešto. ;)
 
Nije to baš strogo definisano, ali tačno je da je veći mišić i jači mišić. Pored mišića, snaga se prenosi i na zglobove, tako da je za snagu dosta bitno imati jake zglobne čaure. ... Slabiji zglobovi onemoguće iskorišćavanje maksimalne snage mišića. ...
Npr. vežbe za biceps sa Z šipkom i sa pravom šipkom jednako pogađaju biceps, ali različito pogađaju zglobove. ...
 
levrone:
Nije to baš strogo definisano, ali tačno je da je veći mišić i jači mišić. Pored mišića, snaga se prenosi i na zglobove, tako da je za snagu dosta bitno imati jake zglobne čaure. ... Slabiji zglobovi onemoguće iskorišćavanje maksimalne snage mišića. ...
Npr. vežbe za biceps sa Z šipkom i sa pravom šipkom jednako pogađaju biceps, ali različito pogađaju zglobove. ...
Slazem se... Da dodam jos da veliku ulogu igra i jacina tetiva... ;)
 
U igri su svi elementi koji prenose snagu sa mišića na teg.
Kada bi stavio motor od poršea u juga, menjač i ostali elementi nikako ne bi mogli da prenesu toliku snagu na točkove. Mogao bi, ili da ga voziš lagano ili da daš gas pa da sve razvališ.
Normalno, naše telo neće dozvoliti da se svesno povredi, dići će samo onoliko koliko svako vezivno tkivo može da podnese.
 
idza:
ali da ne daje ama bas ni malko na masi!!! jeli to?
Kreatin zbog svoje hemijske uloge u ćelijama je odličan suplement za snagu, otklanjanje zamora,... Ali tačno je i to da vezuje vodu, tako da je dobitak mase neizbežan.
Da bi iskoristio kreatin za snagu, treba da obezbediš telu dovoljno ugljenih hidrata da bi ta energija... prosta šema:
adenozindifosfat+ UH => adenozitrifosfat ,,, Adenozintrifosfat => adenozidifosfat+ energija+grupaP(izgubljena)
Bilo da se kreatin u telo unese kao kreatin-fosfat ili kao kreatin-monohidrat, on se odvaja na slobodan kreatin i u telu sintetiše kreatin- fosfat.
Iz gornje šeme se vidi da se energija za mišićni rad oslobađa konverzijom ATP-a u ADP molekule uz gubitak fosfatne grupe. Više kreatina-fosfata znači i više fosfatnih grupa na raspolaganju (potencijalno slobodnih)... ..........................
............................................
Pije se sa dekstrozom da bi ga insulin brže razvezao po telu.
..............................................
Višak kreatina se uvek izbacuje mokraćom, u obliku kreatinina...
.............................................
 
levrone:
Kapiram da ni ti ne kapiraš kako to može "guarana" da se transportuje do mišića.
Dva glavna sastojka što guaranu čini posebnom jesu visoka vrednost kofeina i još veća vrednost TAURINA!!! Verujem da o kofeinu verujem dosta znamo. Taurin je aminokiselina koja blokira receptore za pospanost, u mozgu, tako da ama baš nikakve veze nema sa mišićima. Nazivaju je energetski napitak iako nije, ali poseduje te stimulativne supstance pa se čovek oseća energetski nabijenijim.
Kreatin i kofein. Možda ta tvoja konstatacija deluje kao tačna, ali ipak nije. Naime, u organizmu imamo vezanu i nevezanu vodu. Kreatin drži vezanu vodu unutar ćelija, a kofein izbacuje nevezanu vodu (potkožnu,...)... Kad bi veći deo vode u organizmu bio nevezan, onda bi gravitacija od tela napravila krušku, ili tako nešto. ;)

Prvi deo posta-tacno. Ja sam pogresio.
Samo jos nesto ja sam namerno rekao guarana, jer stabljika ili sta vec guarane sadrzi veliki procenat taurina kao i nekih drugih supstanci. To se moze videti iz guranane u obliku tableta. Da li se ova "Knjaz Miloseva" guarana pravi (i u kom procentu) od lista(ili stabljike nebitno) guarane-ne znam. Ali to nije ni bitno za ovu pricu. Moja konstatacija je bila da aspirin povecava dejstvo energetskog napitka tako sto siri krvne sudove i poboljsava transoprtaciju.

Sto se kreatina i kofeina tice tu je malo komplikovanija situacija. Naime ne verujem da iko od nas moze da kaze nesto o tome iz licnog iskustva, jer je pracenje tako necega u najmanju ruku veoma, veoma komplikovano. Naime ja sam dosta citao uzajamnom delovanju kreatina i kofeina i zakljucak je bio da ih treba razdvojiti.
Pre nekoliko meseci sam naisao na jednu naucnu studiju o tome na netu. Ako je ponovo pronadjem postovacu ovde, ok?
Moj zakljucak bi bio da jak diuretik (sto kofein nije, ali u velikim kolicinama postaje) toliko izbacuje "nevezanu" vodu iz organizma da on lako dehidrira. Ako nema "slobodne tj. nevezane vode sta ce se vezati za misice pod uticajem kreatina?
Zbog toga ih treba piti kreatin i neki diuretik u razmacima od dva sata. Ovo ima logike zar ne?
 
Imam neku cudnu zamisao:
hteo bih da napucam potkolenicu, ramena, trapeziuse i ruke (biceps, triceps ali i PODLAKTICU koja mi je veoma bitna), dok bih grudi, stomak, ledja i natkolenicu da izdefinisem...
Moze li mi neko napraviti program kojim cu to uspeti najefikasnije?
+dekstroza i + sta ... ?
 
Visok sam 186 i tezak 70 . Zeleo bih da povecam masu misica :confused: ? Jel znate neke prirodne preparate za povecanje mase ??? Cuo sam da je dobra smesa - 250g cokolade u prahu + 250g mleka u prahu + 250g sojinog brasna + 250g dekstoze , sto se pije 3 puta dnevno( po kasika - dve u solji mleka ), kao i pivski kvasac :?:
 
Ja ne znam, ili ne mogu da se setim. Jači mišić je i deblji mišić, a deblji mišić je i teži mišić. A mišić je 4 puta teži od sala,... Probaj da radiš treninge snage. Dobićeš na snazi, ali opet je masa kolko-tolko neizbežna. Ne kao treninzima za masu, ali je ipak neizbežna.
 
Ne postoje prirodni preparati :)
Recimo hrana je prirodna kad u sebi sadrzi "prirodna vlakna". Zivo meso u sebi sadrzi prirodna vlakna. Za pecenu hranu se smatra da nije prirodna, jer se tokom pecenja uniste prirodna vlakna i meso je drugacije. Cokolada se kuva, mleko takodje.
To sto ti treba su suplementi. Hemija ;)
 
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