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    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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Phenylalanine amino acid information

Phenylalanine is an essential amino acid that is also one of the aromatic amino acids that exhibit ultraviolet radiation absorption properties and is the most commonly found aromatic amino acid.

It can be converted in the body to tyrosine, which in turn is used to synthesize two important neurotransmitters - dopamine and norepinephrine. It is available in three different forms - L-, D- and DL-.

The L- form is the most common and the type in which it is incorporated into the body's proteins. The D- form acts as a painkiller and the DL- a combination of the two.

phenylalanine

Required for

It is used in elevating the mood since it is so closely involved with the nervous system, as well as help with memory and learning and has been used as appetite suppressant.

People suffering from Parkinson's disease It is DLPA (or the D- or L-form alone) is used to treat depression and the D form may also be helpful in the treatment of Parkinson's disease and chronic pain in both osteo-arthritis and rheumatoid arthritis with mixed results Increases blood levels of norepinephrine, epinephrine and dopamine - all three required for neurotransmission.

Deficiency indications

Dietary deficiency is rare but symptoms may include lethargy, edema, weakness, skin lesions as well as liver damage and slow growth. A deficiency in diet would only occur with very an extremely low protein intake.

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.

Pregnant women, people suffering from anxiety attacks, high blood pressure, diabetes and phenylketonuria, should NOT take it. DLPA supplements may interact with certain antidepressants or stimulants. Please consult your medical professional.

The daily dosage is unknown but supplements are taken at about 14 mg per kilogram of body weight per day - which would translate to about 980 mg for a 70 kg male, but since it has powerful mood altering effects, only use under medical supervision.

Toxicity and symptoms of high intake

Toxicity is rare in dietary intake but large amounts in supplement for may play havoc with your blood pressure and cause headaches, nausea and heartburn. Large amounts of this nutrient may also cause nerve damage.

When more may be required

This nutrient could prove of benefit to people suffering from Parkinson's disease, tiredness, depression, busy with alcohol withdrawal, rheumatoid arthritis, osteo arthritis and vitiligo.

Other interesting points

L-Phenylalanine competes with several other amino acids for attachment on a common amino acid carrier in the body. Therefore, it should not be taken with protein-containing foods.

Phenylalanine food sources

It is contained in most protein rich foods but good sources are found in dairy products, almonds, avocados, lima beans, peanuts and seeds.

Phenylalanine found in the following Zest for Life products

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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