Melatonin Jet Lag - Melatonin Safety
Melatonin Dose
liquid melatonin, melatonin
depression, melatonin 3 mg dose
Melatonin, the pineal hormone, became available over the counter in 1994.
Melatonin is a hormone released each night to help us sleep. In addition to
sleep, melatonin has many other benefits. Melatonin safety has been tested for
over twenty years and this hormone appears to have no serious short term health
problems. The right melatonin dose for sleep varies from Melatonin 300 mcg,
which is 0.3 mg, to melatonin 3 mg. Melatonin 5 mg is too high a dose for most
people.
Melatonin Tablet, 1 mg, and 3 mg
Click here to buy Melatonin tablet, Good Night Rx, or to
buy other products at discount
Melatonin tablet is sustained release. The sustained release form of melatonin
tablet provides a slower, more physiological
absorption.
Suggested Use: 1/3, 1/2 or a full melatonin tablet one to 4 hours before bedtime.
Melatonin works best
if used only a few times a week as opposed to nightly.
Melatonin Supplement Facts:
Melatonin tablet 1 mg
Melatonin tablet daily value not
established
Health
benefit of melatonin supplement?
Melatonin and Jet Lag
Melatonin may lessens the effects of jet lag in some travelers. Nightly doses of melatonin, at
0.5 mg to 5 mg, taken an hour to three hours before bedtime at the new destination for 2 to 4 days may be helpful in reducing
symptoms of jet lag. It's very difficult to know exactly the dosage of melatonin
that would be effective for jet lag. There is a wide range of individual response to
melatonin.
For more
melatonin information.
Melatonin and depression
Can melatonin help with depression? Perhaps if used in very small amounts that
help deepen sleep, melatonin can lift mood since lack of sleep can worsen
depression. However, high doses of melatonin could cause sluggishness and
aggravate depression in some people. Melatonin 3 mg may be too much for many
people leading to worse sleep than a lower dose of melatonin.
Melatonin May have anti-tumor abilities
There's been quite a
few studies with melatonin and cancer, most of them done in Italy. Most of the
studies have shown benefits using 10 to 40 mg of melatonin nightly. However,
much is yet to be learned about this approach, and hardly any oncologists in the
US are familiar with the use of melatonin as an anticancer agent. Therefore, at
this point, the use of melatonin is still experimental. However, since cancer is
ultimately a fatal disease in most cases, it may be worthwhile to try melatonin.
Your physician can easily access all the research on Medline.
Melatonin may have anti-aging potential due to its
anti-oxidant properties.
We won't know for sure for many years to come if melatonin
increases longevity, nor will we know in the near
future the ideal dosage, timing, and frequency.
Melatonin enhances dreams
This could lead to vivid,
enjoyable and memorable dreams or, on the flip side, vivid nightmares. Melatonin
enhances REM sleep. Melatonin 3 mg, the most common dose, can induce nightmares.
Types of melatonin.
Should one take the regular melatonin 3 mg pills, melatonin sublingual, or the time release?
A. Most of the melatonin presently on the market is the regular 3 mg
pill. You may want to cut this pill into a fifth or even a tenth and use this dose your
first night, about an hour or two before bed. Alternatively, you can also
purchase melatonin pills at 1 mg or sometimes even lower dosages are sold. If this low dose is effective, then you may
keep using it as needed for sleep. If you don't feel any effect, then take a little more
the following nights.
If your main problem is falling asleep, then
try the sublingual form (also available in liquid form), in the range of 0.3 to 1.0 mg,
about an hour or two before bed. However, some people wake up in the middle of the night,
or early morning, feeling alert. Most of these people would want to sleep a couple of
hours longer. Melatonin has a short half-life and therefore is metabolized very fast and
will be out of the body soon. This explains why many people wake up early.
In order to stay asleep longer, a good option
is slow-release melatonin, which is released consistently throughout the night.
Slow-release (also known as sustained, time or controlled-release) melatonin will likely
become more popular in the future. Another form that is useful is melatonin tea. The tea
is drunk about an hour before bed. One company has added half a mg of melatonin to their
tea bag.
Melatonin and pregnancy - Is
melatonin safe during pregnancy?
Is it okay to use melatonin during pregnancy? Research regarding the use of
melatonin by pregnant women is not available, but it would seem that 0.3 mg of
melatonin used once or twice a week after the first 2 months of pregnancy should
be safe.
Melatonin Research Update
Melatonin: An Anti-Aging Hormone Supplement? -- Ever
since melatonin became available over the counter in 1994, it has created a lot
of controversy. The medical establishment has been quite uneasy with this
hormone being available without a doctor's prescription, and I remember back in
the mid 1990s quite a number of articles were published in journals read by
doctors warning them of potential serious side effects. This surprised me since
my evaluation of the research did not indicate that melatonin was dangerous. It
has been a decade since melatonin has been freely sold to the public, and to my
knowledge there have not been any published studies to indicate that this
hormone has caused any serious harm. In fact, more research continues to be
published regarding its benefits. Numerous studies now indicate that melatonin
has powerful antioxidant properties, in addition to its known hormonal
activities which includes sleep inducement . A recent study published at the
University of Rajasthan in Jaipur, India investigated the influence of low-dose
chronic administration (0.10 mg/kg body weight/day for 3 months) of melatonin
against age-induced oxidative stress in mice tissues, namely brain, liver,
spleen and kidney. Sixteen-month-old mice were supplemented with melatonin for
three months and then autopsied (at the age of 19 months). The results indicated
that melatonin was able to significantly reduce the age-induced decline in the
body's natural antioxidant system. The researchers state, "These findings
indicate that low-dose chronic administration of melatonin acts as a free
radical scavenger and anti-aging agent."
Comments: Research thus far is convincing that
melatonin has many beneficial properties. However, it is difficult to determine
the ideal dosage and frequency of melatonin use in humans. At this time it would
seem safe and prudent to take a low dose, such as 0.1 to 0.5 mg of melatonin a
few nights a week, particularly for those who suffer from insomnia. Melatonin is
best taken on an empty stomach about 1 to 3 hours before bedtime. Since most
pills come in dosages ranging from 0.5 to 3 mg, you could bite off a small
portion of the pill.
Melatonin Pharmacotherapy for Nocturia in Men With
Benign Prostatic Enlargement.
Drake MJ, Mills IW, Noble JG. J Urol. 2004;171:1199-1202.
Nocturia is a common condition often attributed in
aging men to benign prostatic enlargement. Older adults are prone to nocturnal
sleep disturbance, of which disturbed circadian rhythm may be a component since
it improves with nighttime administration of melatonin. This study was designed
to investigate melatonin as a potential treatment for nocturia associated with
bladder outflow obstruction in older men. A total of 20
men with urodynamically confirmed bladder outflow obstruction and nocturia were
entered into a randomized, double blind, placebo controlled crossover study
assessing the effect of 2 mg controlled release melatonin at night on nocturia.
Symptoms were assessed at baseline and after each 4-week treatment period using
a frequency volume chart, the International Prostate Symptom Score and symptom
problem index. Maximum urinary flow rate and post-void residual urine volume
were also assessed. Baseline frequency of nocturia was 3.1 episodes per
night. There were 7 men (35%) with detrusor overactivity and 10 (50%) had
nocturnal polyuria. Melatonin and placebo caused a decrease in nocturia of 0.32
and 0.05 episodes per night and a decrease in the nocturia bother
score of 0.51 and 0.05, respectively. Nocturia responder rates (a
reduction from baseline of at least -0.5 episodes per night) differed between
the active medication and placebo groups. Daytime urinary frequency,
International Prostate Symptom Score, relative nocturnal urine volume, maximum
urinary flow rate and post-void residual were unaffected by melatonin treatment. Melatonin treatment is associated with a significant nocturia
response rate, improvement in nocturia related bother and a good adverse effect
profile. However, it is uncertain whether the observed changes in this study are
clinically significant.
Melatonin Safe in 6 Month Study
Melatonin has been recommended for the treatment of insomnia and jet lag, yet
little is known about its long term effects on the body, and some in the medical
community have questioned its safety. Researchers at the University of Lodz in
Poland. evaluated the effects of melatonin administration on sleep and routine
blood chemistry in elderly women. The study was performed on 14 women aged from
64 to 80 years. Melatonin 2 mg was given at 7 pm nightly for 6 months. Before
and after melatonin treatment blood samples were taken in the morning after an
overnight fast. The total blood count, glucose, total cholesterol, LDL, HDL, and
triglycerides were measured by routine laboratory methods. Thirty-six percent of
those on melatonin had an improvement in general sleep quality. Melatonin
treatment did not influence significantly either total blood count, glucose or
blood lipids levels. The researchers conclude that on the basis of this
preliminary open study it seems that melatonin administration may be safe for
elderly subjects.
Comments: It’s reassuring to know that blood chemistry was not affected
in any significant adverse way by 6 months therapy with melatonin. On the basis
of this preliminary study, it seems that elderly individuals should be quite
safe if they use melatonin one to three times a week at a dose of 0.1 or 0.5 mg.
Melatonin in patients with reduced REM sleep duration: two
randomized controlled trials.
Kunz D, Mahlberg R, Muller C, Tilmann A, Bes F.
Department of Psychiatry and Psychotherapy, Charite Campus
Mitte-Universitatsmedizin Berlin, 10117 Berlin, Germany. dieter.kunz@charite.de
J Clin Endocrinol Metab. 2004 Jan;89(1):128-34.
Recent data suggest that melatonin may influence human physiology, including the
sleep-wake cycle, in a time-dependent manner via the body's internal clock.
Rapid-eye-movement (REM) sleep expression is strongly circadian modulated, and
the impact of REM sleep on primary brain functions, metabolic processes, and
immune system function has become increasingly clear over the past decade. In
our study, we evaluated the effects of exogenous melatonin on disturbed REM
sleep in humans. Fourteen consecutive outpatients (five women, nine men; mean
age, 50 yr) with unselected neuropsychiatric sleep disorders and reduced REM
sleep duration (25% or more below age norm according to diagnostic
polysomnography) were included in two consecutive, randomized, double-blind,
placebo-controlled, parallel design clinical trials. Patients received 3 mg
melatonin daily, administered between 2200 and 2300 h for 4 wk. The results of
the study show that melatonin was significantly more effective than placebo:
patients on melatonin experienced significant increases in REM sleep percentage
(baseline/melatonin, 14.7/17.8 vs. baseline/placebo, 14.3/12.0) and improvements
in subjective measures of daytime dysfunction as well as clinical global
impression score. Melatonin did not shift circadian phase or suppress
temperature but did increase REM sleep continuity and promote decline in rectal
temperature during sleep. These results were confirmed in patients who received
melatonin in the second study (REM sleep percentage baseline/placebo/melatonin,
14.3/12.0/17.9). In patients who received melatonin in the first study and
placebo in the second, the above mentioned effects outlasted the period of
melatonin administration and diminished only slowly over time (REM sleep
percentage baseline/melatonin/placebo, 14.7/17.8/16.2). Our findings show that
exogenous melatonin, when administered at the appropriate time, seems to
normalize circadian variation in human physiology. It may, therefore, have a
strong impact on general health, especially in the elderly and in shift workers.
Impact of melatonin, zaleplon, zopiclone, and temazepam on
psychomotor performance.
Paul MA, Gray G, Kenny G, Pigeau RA.
Toronto laboratories of Defence Research and Development Canada, Toronto,
Ontario, Canada. michel.paul@drdc-rddc.gc.ca
Aviat Space Environ Med. 2003 Dec;74(12):1263-70.
Modern military operations may require pharmaceutical methods to
sustain alertness and facilitate sleep in order to maintain operational
readiness. In operations with very limited sleep windows, hypnotics with very
short half-lives (e.g., zaleplon, t(1/2) 1 h) are of interest, while with longer
sleep opportunities, longer acting agents (e.g., zopiclone, temazepam (t(1/2)
4-6 hours) may be used. This study was designed to compare the effect of a
single dose of zaleplon, zopiclone, temazepam, and melatonin on psychomotor
performance and to quantify the post-ingestion time required for return to
normal performance. There were 23 subjects (9 men, 14 women), 21-53 yr
of age, assessed for psychomotor performance on 2 test batteries (4 tasks) that
included a sleepiness questionnaire. Psychomotor testing was conducted prior to,
and for 7 h after, ingestion of a single dose of each of placebo, zaleplon 10
mg, zopiclone 7.5 mg, temazepam 15 mg, and time-released melatonin 6 mg. The
experimental design was a double-blind cross-over with counter-balanced
treatment order. RESULTS: Zaleplon, zopiclone, and temazepam impaired
performance on all four tasks: serial reaction time (SRT), logical reasoning (LRT),
serial subtraction (SST), and multitask (MT). Melatonin did not impair
performance on any task. The time to recovery of normal performance for SRT
during the zaleplon, zopiclone and temazepam conditions were 3.25, 6.25, and
5.25 h respectively; for LRT were 3.25, >6.25, and 4.25 h; for SST were 2.25,
>6.25, and 4.25 h, and for MT were 2.25, 4.25, and 3.25 h. The recovery time to
baseline subjective sleepiness levels for zaleplon, zopiclone, temazepam, and
melatonin were 4.25, >6.25, 5.25, and >4.25 h, respectively. In
spite of a prolonged period of perceived sleepiness, melatonin was superior to zaleplon in causing no impact on performance. The remaining drugs listed in
increasing order of performance impact duration are zaleplon, temazepam, and
zopiclone.
Melatonin improves health status and sleep in children with idiopathic
chronic sleep-onset insomnia: a randomized placebo-controlled trial.
Smits MG, van Stel HF.
Sleep Centre, Hospital Gelderse Vallei, Willy Brandtlaan 10, Box 9025, 6710 HN
Ede, the Netherlands.
J Am Acad Child Adolesc Psychiatry. 2003 Nov;42(11):1286-93.
To investigate the effect of
melatonin
treatment on health status and sleep in children with idiopathic sleep-onset
insomnia. A randomized, double-blind, placebo-controlled trial was conducted in
a Dutch sleep center, involving 62 children, 6 to 12 years of age, who suffered
more than 1 year from idiopathic chronic sleep-onset insomnia. Patients received
either 5 mg melatonin or placebo at 7 pm. The study consisted of a 1-week
baseline period, followed by a 4-week treatment. Melatonin treatment significantly advanced sleep onset by 57 minutes, sleep
offset by 9 minutes, and melatonin onset by 82 minutes, and decreased sleep
latency by 17 minutes. Lights-off time and total sleep time did not change.
Melatonin improves health status and advances the sleep-wake rhythm
in children with idiopathic chronic sleep-onset insomnia.
Melatonin Q & As
Q. Will taking melatonin help me live longer?
A. Maybe, maybe not. There are some theoretical reasons why this could happen, but
we don't know for certain.
1) Melatonin often provides for a deeper sleep. The positive influence of melatonin on
deep, restorative sleep could alone account for a longer life span.
2) It's probably a good antioxidant. The advantage of melatonin over other antioxidants is
that it is both water and fat soluble, meaning it goes into almost all cells and all parts
of the body. Melatonin's disadvantage is that it has a short half-life and it's
antioxidant benefits may only last overnight, as opposed to vitamin E, which is stored in
tissues and protects all day long.
3) Perhaps immune system improvement. Interestingly, some people report that since they've
been on melatonin, they don't catch colds and infections as much as they used to. These
stories are, of course, anecdotal, and we don't have any published human studies on the
influence of melatonin on the immune system in the long-term.
Q. I suffer from chronic insomnia, yet when I had my
melatonin levels checked, the levels were normal throughout the day and very HIGH (almost
off the charts) at night. My doctor is very puzzled by this and I am wondering if you have
ever heard of an occurrence of HIGH melatonin levels associated with chronic
insomnia.
A. Melatonin is only one of the factors involved with sleep. Daytime physical
activity is one of the most important things you can do to help you sleep. I don't find
melatonin levels to be that helpful in assessing causes of insomnia.
Q. A number of years ago i purchased an excellent book on
melatonin. What is unclear to me is that some forms of arthritis are indicated to be the
result of an auto-immune condition. Melatonin is indicated that it is not To be taken in
the case of auto-immune conditions. Would a low dose of say 1 mg per day with a person
with arthritis be the wrong thing to do because It might aggravate the condition?
A. When I wrote the melatonin book in 1995, some studies had
mentioned that melatonin enhanced immune function and thus this required that a caution be
placed in the book that those with autoimmune conditions should be careful about the use
of this hormone. However, since then, there haven't been any significant mentions of
melatonin's influence on autoimmune conditions. It would appear at this point that the use
of 1 mg of melatonin a couple of times a week should be fine for those with rheumatoid
arthritis, and more frequent use should not interfere in those who have osteoarthritis.
Q. What is your opinion on liquid melatonin? Is
there much melatonin
research on the liquid form?
A. Melatonin can be ingested in various forms, and liquid melatonin
is an option although there's hardly any research with melatonin liquid.
Q. Is natural melatonin helpful for anxiety?
A. Perhaps slightly, but 5-HTP and kava are more helpful for
anxiety than melatonin.
Q. Does melatonin have drug interaction?
A. Perhaps, but it is difficult to say since there are thousands of
prescription drugs and melatonin drug interaction has not been tested with
hardly any of them.
Q. I have been taking 5mg of Melatonin before
going to bed, I have a heart condition which has been treated with EECP
treatment with good results. Could Melatonin have a negative side effect ? I
also have restless legs syndrome.
A. Enhanced External Counterpulsation (EECP) may stimulate the
openings or formation of collaterals (small branches of blood vessels) to create
a natural bypass around narrowed or blocked arteries. We have not seen any
research regarding the combination of melatonin and EECP treatment, so we can't
say.
Q. I am trying to find a melatonin bioidentical
formula that is plant, rather than animal derived (I'd prefer not to consume
ground up bovine or melatonin from pigs. I have been taking melatonin 9 mg a
night for some time. I do not sleep soundly (my husband snores) and I am a very
light sleeper. When going through breast cancer I was taking 21 mg a night as
directed from my cancer dietician. I am three years clean. I considered 5-HTP
sleep aid "Sound Sleep" but am concerned about 5-HTP. I am not tired or nervous
etc. I have a lot of energy. I do not know which brand of melatonin is purest.
A. Just about all the melatonin products on the market are not from
animal origin but made in a lab.
Q. Is the melatonin derived from synthetic
techniques or from other sources.
A. The melatonin is made synthetically in a laboratory, it is
not animal derived.
Q. I'm a 59 year old male in good health. I've had
problems with delayed sleep onset since childhood. I have taken melatonin on and
off for twenty years, with generally good results. I'm a licensed clinical
psychologist. In my case, it's quite clear that taking melatonin every day for
several days causes me pelvic pain. The effect is consistently replicable and
reversible. Remission takes less than a week after the dose is reduced or
discontinued. Onset also takes about a week. I don't notice much pelvic pain on
0.75 mg at bedtime. I notice quite a bit of pain on 3 mg. at bedtime. 0.75 mg.
is not an adequate dose for me. I compromise with 1.5 mg. This helps with sleep,
but causes some pain. By "pelvic pain" I mean pain on urination, pain when
urination is necessary, and a persistent ache lasting minutes or hours after
urination. Also, a more frequent need to urinate, and holding urine is more
painful. The location of the pain is vague, but seems to be coming from the area
of the bladder and urethra. I thought you might be interested. I didn't find any
google hits on this topic. However, several years ago, possibly ten more more
years, I came across a short article in a weekly news magazine, possibly Time,
about melatonin. It said that pelvic pain is a known side effect. I have not
been able to track down the article or its source.
A. Thanks for letting us about this potential melatonin side
effect.
Q. I am looking for organic melatonin, do you know
where i can buy organic melatonin supplements?
A. There is no such thing as organic melatonin supplements, all
melatonin is made in a laboratory. Melatonin is not an herb that can be grown
organically. Melatonin is not derived from animal brains due to potential viral
infection transmission, therefore your only option is melatonin made in a
laboratory.
Ginseng
herbal plant
Maca
melatonin for sleep melatonin antioxidant