L-Tryptophan
Tryptophan
is said to be the single most studied
nutrient in the psychiatric community
due to the profound effect it has on
promoting emotional well being. Tryptophan
is an essential amino acid and has the
chemical structure of (a}-aminoindole-3-propionic
acid, C11 H12 N2 O2. Tryptophan is also
the parent molecule of picolinic acid
which is needed by the body to aid in
absorbtion of zinc.
Function-
Tryptophan is best known for its effect
on the central nervous system to produce
serotonin which is a necessary neurotransmitter
that transfers nerve impulses from one
cell to another and is responsible for
normal sleep. Serotonin is an inhibitory
neurotransmitter that has a calming
effect on the nervous system relieving
tension and anxiety. Tryptophan is an
essential amino acid that is necessary
for the production of vitamin B3 (niacin)
helps to combat depression, insomnia
and to stabilize moods.
Depression-
The basic theory behind tryptophan supplementation
in treating depression and insomnia
is that it will increase the levels
of serotonin and melatonin in the brain.
Chemistry and lab research has proven
that many depressed individuals have
low tryptophan and serotonin levels
each of which are necessary for manufacturing
the “Happy Hormone” serotonin. Be aware
that health occurs from neurotransmitter
balance between the catecholamine system
(dopamine, norepinephrine, and epinephrine)
and the serotonin system. Tryptophan
is a powerful amino acid to enhance
the serotonin pathway but optimum results
occur when the patient is looked at
globally.
Post
Partum and Post Menopausal Depression-
Estrogens show to increase the control
of the synthesis of niacin from tryptophan
while progesterone decreases it. Post
partum women whose estrogens are high
have decreased serum tryptophan. Postmenopausal
women are commonly placed on estrogen
therapy and may become depressed due
to lowered tryptophan levels.
Insomnia-
Serotonin is the substance in your brain
(much is stored in the colon) that is
released to bring about sleep. Sleep
is a necessary function of nature. If
you have irregular sleep habits look
toward the neurotransmitters for solutions
and not sleeping pills to mask the symptoms.
The metabolites produced by tryptophan
are 5HTP and melatonin. Each of these
have significant benefits with fewer
conversion steps for metabolic activity.
Migraines-
Tryptophan is effective in relieving
migraines due to the ability serotonin
has with muscle relaxation and to control
the dilation of blood vessels.
Deficiency-
Depression, mood disorders, headaches,
anxiety, insomnia, migraines, irritability,
forgetfulness, reactive, post partum
depression, impulsive and impatient
are indicators of serotonin deficiency.
Sources-
Food sources that are high in tryptophan
are soy protein, brown rice, beef, liver,
fish, lamb, peanuts, cottage cheese,
yogurt, lentils, pumpkin seeds and sesame
seeds.
Precautions-
Tryptophan and 5HTP to should be used
with caution if the individual is taking
Monoamine Oxidase inhibitors (MAO).
The
Tryptophan Controversy- Tryptophan is
not available in supplement form in
the United States. In November of 1989,
the U.S. Centers for Disease Control
(CDC) reported evidence linking L-tryptophan
supplements to a blood disorder called
Eosinophilia-Myalgia Syndrome (EMS).
The blood of these subjects contained
very high levels of eosiniphils. The
problem with elevations of eosiniphils
is that these white blood cells contain
packets that have high levels of histamine
and inflammatory components. Several
hundred cases of this illness were detected
which is characterized by symptoms of
fatigue, muscular and joint pain, respiratory
ailments, edema, and rashes. After the
CDC established an association between
the blood disorder and products containing
L-tryptophan in New Mexico, the U.S.
Food and Drug Administration (FDA) first
recalled all products in which L-tryptophan
was found. At the time there was significant
research showing that it was contaminants
in the supplements from the filtration
methods, NOT the tryptophan. However
the tryptophan supplements were and
still are banned from the market in
the United States. Coincidentally as
soon as the product was recalled a multi-billion
dollar market was launched with Prozac
and many other drugs to follow. With
the most effective natural “happy hormone”
promoter off the market there were few
natural alternatives for those suffering
from depression and mood disorders.
The public was misinformed and left
with the side effects that come with
the prescription drugs. Fortunately,
natural health care and the public can
utilize 5HTP and other tryptophan metabolites
to help rebuild their bodies.
Requirements-
Tryptophan is not available in the United
States primarily due to misrepresentation,
misinterpretation and drug lobbies whose
market is greatly affected by safe effective
natural supplements.
Written
by Jerome
Rerucha D.C.
References-
1. Yunus MB, Dailey JW, Aldag JC, et
al. Platelet 3H-imiprimine uptake receptor
density and serum serotonin levels in
patients with fibromyalgia/fibrositis
syndrome. J Rheumatol 1992;19:104–9.
2. Wolfe F, Russell IJ, Vipraio G, et
al. Serotonin levels, pain threshold,
and fibromyalgia symptoms in the general
population. J Rheumatol 1997;24:555–9.
3. De Benedittis G, Massei R. 5-HT precursors
in migraine prophylaxis: a double-blind
cross-over study with L-5-hydroxytryptophan
versus placebo. Clin J Pain 1986;3:123–9.
4. Titus F, Davalos A, Alom J, Codina
A. 5-hydroxytryptophan versus methysergide
in the prophylaxis of migraine. Eur
Neurol 1986;25:327–9.
5. Mayeno AN, Lin F, Foote CS, et al.
Characterization of “peak E,” a novel
amino acid associated with eosinophilia-myalgia
syndrome. Science 1990;250:1707–8.
6. Geffard M, Dulluc J, Heinrich-Rock
AM (1985) Antisera against the indolealkylamines:
tryptophan, 5-hydroxytryptophan, 5-hydroxytryptamine,
5-methoxytryptophan and 5-methoxytryptamine
tested by an enzyme-linked immunosorbent
assay method. J Neurochem 44:1221-1228.
7. Alexander FW, Sandmeier E, Mehta
PK, Christen P 1994 Evolutionary relationships
among pyridoxal-5'-phosphate-dependent
enzymes. Regio-specific alpha, beta
and gamma families. Eur. J. Biochem.
219: 953-960.
8. Kurtzweil P, An FDA Guide to Dietary
Supplements. U.S. Food and Drug Administration
Available: URL:http://www.fda.gov/fdac/
features/1998/598_guid.html. Accessed
1999 Feb.
9. Dukes NNG, ed. Meyler's side effects
of drugs: an encyclopedia of adverse
reactions and interactions. Amsterdam,
Netherlands: Elsevier; 1996:48.
10. DRUGDEX< System: 09/98 Thompson
GA, Cheung J, DRUGDEX(R) Editorial Staff
Tryptophan and eosinophilia-myalgia
syndrome - 1989 CDC REPORT Drug Consult.
In Gelman CR, Rumack BH & Hess AJ
(Eds): DRUGDEX< System. MICROMEDEX,
Inc., Englewood, Colorado.(Edition expires
[3/99]).