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  • Kindly note that we are re-branding Zest for Life and that the new labels will be green - 
    replacing the silver labels we have had for 12 years - but this will be done on a systematic
    roll-out, and you will still receive vitamin products with silver labels for quite some time.

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Glutamine amino acid information

Glutamine is a non-essential amino acid and is found in large amounts in the muscles of the body, and since it easily pass through the blood-brain barrier, it is also known as a superb brain fuel, and some people refer to it as a “smart-vitamin” – although it is in actual fact no vitamin at all.

glutamine

Required for

It is converted to glutamic acid in the brain, which is essential for cerebral functions, and increases the amount of GABA (gamma-aminobutyric acid), which is required for brain functioning and mental activity.

It is used in the muscles for the synthesis of muscle proteins, and is of use for the treatment of wasting muscles after illness or post-operative care.

Although the body requires nitrogen, free nitrogen in the body can be harmful since it form ammonia – specially toxic to the brain. The liver normally converts ammonia to urea, excreted in the urine – but glutamic acid attaches itself to nitrogen and forms glutamic acid, while removing ammonia from the brain.

It further is used in the body to balance the acid/alkaline level and is also the basis or building blocks of RNA and DNA.

It serves as a source of fuel for cells lining the intestines and it is also used by white blood cells and is important for immune function.

Deficiency indications

Deficiency of this nutrient is rare, since it can be manufactured by the body but deficiencies can develop during periods of fasting, starvation, strict dieting, cirrhosis, and weight loss associated with AIDS and cancer.

Dosage

The dosage listed is the Recommended Daily Allowance (RDA), but be aware that this dosage is the minimum that you require per day, to ward off serious deficiency of this particular nutrient. In the therapeutic use of this nutrient, the dosage is usually increased considerably, but the toxicity level must be kept in mind.

In the presence of good health, supplementation of glutamine should not be necessary.

Toxicity and symptoms of high intake

No clear toxicity has emerged in glutamine studies, but it should not be taken by people suffering from liver or kidney problems.

When more may be required

People suffering from arthritis, fibrosis, connective tissue disease, peptic ulcers, ulcerative colitis, as well as epilepsy, fatigue, impotence and senility may find benefit from an increase of this nutrient, as well as people busy with alcohol abuse withdrawal and patients living with HIV.

Other interesting points

Monosodium glutamate (MSG), a salt of glutamic acid, is sometimes used as a condiment for flavoring foods. It imparts no flavor of its own, but enhances the flavors of meats, fish, and vegetables. Some people have an allergic reaction to MSG’s, and should be avoided by such individuals.

L-glutamine supplements are also referred to as "smart drugs" since it is thought to improve the functioning of the brain.

In animal research, glutamine has anti-inflammatory effects.

Glutamine also decreases the craving for sweets and sugar, which is beneficial to people wishing to loose weight.

Glutamine food sources

Glutamine is found in many high protein foods, such as fish, meat, beans, and dairy as well in vegetables such as raw parsley and spinach.

Our Zest for Life vitamin and supplement range
SPECIALTY FORMULAS
CLASSIC VITAMIN RANGE BELOW

adaptogens cope balance not stimulant not sedative

dermaxime anti-aging supplement most advanced dietary way to fight aging

anti-oxidants kills free radicals that can cause premature aging and degenerative diseases

apple cider vinegar capsules

dietary enzymes

hair skin nail boost stong nails glossy hair clear complexion

millennium 2000 weight loss capsule

oystacal calcium supplement better bone density fights osteoporosis

phytosterols phytomedicine plant sterols sterolins

resveratrol alpha lipoic acid anti-oxidant anti-aging

 

vitalyze vitamin B boost capsules

vuka 2000 male sexual supplement

CLASSIC RANGE OF VITAMINS
SPECIALTY FORMULAS ABOVE

vitamin c ascorbic acid

Nutritional information

zest for life vitamin supplements

Underneath we have information page on vitamins, minerals, amino acids, trace elements, enzymes and various nutritional compounds that can impact greatly on your general health, well-being and longevity.

Please note that these pages are for general information only and must not be used to treat or diagnose health concerns.

 
Fat soluble vitamins Trace elements
vitamin ABoron
Vitamin DChromium
Vitamin ECobalt
Vitamin KCopper
Fluorine
Water soluble vitaminsIodine
Vitamin C (Ascorbic acid)Iron
B Complex vitaminsManganese
Vitamin B1 (Thiamine, Thiamin)Molybdenum
Vitamin B2 (Riboflavin)Selenium
Vitamin B3 (Niacin, Niacinamide, Nicotinic Acid)Silicon (Silica)
Vitamin B5 (Pantothenic Acid)Zinc
Vitamin B6 (Pyridoxine)
Vitamin B9 (Folacin, Folic Acid)Enzymes
Vitamin B12 (Cyanocobamin, Cobalamin)Amylase
PABA (Para-AminoBenzoic Acid)Bromelain
CholineCoenzyme Q10
InositolLactase
Vitamin H (Biotin)Lipase
Protease
Amino AcidsMaltase
Alanine
ArginineMiscellaneous nutritional ingredients
AsparagineAdaptogens
Aspartic acidAlpha Lipoic Acid
Branched-Chain Amino AcidsAntioxidants
CarnitineApple Cider Vinegar
CitrullineAstaxanthin
CysteineCreatine
CystineFatty acids
GABA (Gamma-Aminobutyric Acid)Piperine (Pepper extract)
Glutamic acidResveratrol
GlutamineVitamin B13 (Orotic acid)
GlutathioneVitamin B15 (Pangamic Acid)
GlycineVitamin B17 (Laetrile, Amygdalin)
HistidineVitamin F (Fatty Acids)
HydroxyprolineVitamin P (Bioflavonoids)
IsoleucineVitamin T
LeucineVitamin U
Lysine
MethionineHerbal ingredients
NAC (n-Acetyl Cysteine)Echinacea
OrnithineGinger
PhenylalanineGinkgo Biloba
ProlineGinseng
SerineGoldenseal
TaurineGotu Kola (Centella)
ThreonineGrape Seed Extract
TryptophanGreen Tea
TyrosineLicorice
ValineMuira Puama
Olive Leaf Extract
MineralsPhytosterols
CalciumSt John's Wort
ChlorideTribulus Terrestris
Magnesium
PhosphorusWater
PotassiumCarbohydrates
SodiumProtein
SulfurCalories
 
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