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Can You Take Melatonin If You Have Kidney Disease

Cardiovascular Benefits Of Melatonin In Ckd Patients

Chronic Kidney Disease Treatment: How to beat insomnia & sleep better with kidney disease

In the same paper, the researchers hypothesized that melatonin may improve blood pressure levels in patients with kidney disease. Cardiovascular disease is the most common cause of death among CKD patients, and while the reasons for this are unclear, the researchers propose that reduced melatonin levels may play a role.

Even in healthy individuals, blood pressure drops in the evening and rises in the morning. This is normal, but CKD patients often have an excessive blood pressure spike in the morning hours, and their levels tend to be higher during the day. Even after receiving a kidney transplant, patients still show higher blood pressure levels. Its thought that some impairment in melatonin production may be the cause, and therefore, melatonin supplements may be part of the solution.

Other studies have shown a similar benefit. A 2019 paper stated that long-term treatment with melatonin was associated with vasoprotection and decreased oxidative stress and inflammation in mice. However, its not known if the same effects have been established in humans.

Although research on melatonin in kidney disease is still in its early stages, the hormone shows promise in treating multiple facets of the condition. One day, it may be a part of conventional kidney disease treatment.

Things That Reduce Melatonin Synthesis

The production of melatonin varies from person to person and is affected by other factors such as age , disrupted light/dark cycles, night work and being overweight. Studies have also shown that the production of melatonin is impaired in people with CKD.

Low levels of melatonin make it harder to fall asleep. In fact, the use of screen devices around bedtime is significantly associated with insomnia, poor sleep quality and daytime fatigue because it reduces the amount of melatonin we produce. The obvious effect of making less melatonin is trouble sleeping but Im going to show you that the consequences are far more wide reaching.

Side Effects Of Melatonin: 8 Groups Should Avoid Taking Melatonin

September 28, 2020// by Terry Cralle//

Melatonin, also known as the hormone of darkness is a hormone responsible for the regulation of your sleep-wake cycle. However, promoting and regulating sleep is only one of its physiological functions.

This hormone plays an important role in bodily functions, the functions of organs like the kidney or liver, and helps regulate blood pressure and cardiovascular issues. Melatonin is also shown useful in cases of tumors and cancers, where it prevents oxidative stress to promote the growth of cancerous cells.

Now, all of this sounds rather impressive, and sure enough, because melatonin is a naturally produced hormone coming from the very brain, no one would suspect it harmful. However, melatonin supplements, on the other hand, are raising some eyebrows in the medical community.

Over the past few years, melatonin supplements have been studied concerning their possible side effects. Turns out, melatonin intake can cause a dozen of adverse effects, which can pose a long-term danger. In the following paragraphs, well take a look at the major side effects, every melatonin producing company would hide from you. So, lets get started!

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Taking Sleeping Pills And The Risk Of Chronic Kidney Disease: A Nationwide Population

  • 1Division of Nephrology, Department of Internal Medicine, Kaohsiung Armed Forces General Hospital, Kaohsiung, Taiwan
  • 2Division of Nephrology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
  • 3School of Public Health, National Defense Medical Center, Taipei, Taiwan
  • 4Taiwanese Injury Prevention and Safety Promotion Association, Taipei, Taiwan
  • 5Division of Nephrology, Department of Medicine, Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, New Taipei, Taiwan
  • 6PET Center and Department of Nuclear Medicine, Tri-Service General Hospital, Taipei, Taiwan
  • 7School of Medicine, National Defense Medical Center, Taipei, Taiwan
  • 8Department of Medical Research, Tri-Service General Hospital, Taipei, Taiwan
  • 9Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan
  • 10Department of Medical Research, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan

Background: Sleeping disorder has been associated with chronic kidney disease however, the correlation between sleeping pills use and CKD has not been investigated in-depth yet. This study elucidated the potential association of sleeping pill use with the risk of CKD and CKD progression to end-stage renal disease requiring dialysis.

Sleeping pill use was related to an increased risk of CKD and ESRD. Further studies are necessary to corroborate these findings.

How Does Melatonin Work

Melatonin 10 mg

Natural melatonin is predominantly made in your pineal gland, which is located in your brain. Light exposure inhibits the production of melatonin, but darkness stimulates it.

Melatonin levels in your brain begin to increase at dusk as the sun goes down and darkness falls. They reach their peak levels in the middle of the night and start decreasing as dawn gets closer.

The action of melatonin inhibits signals in your brain that promote wakefulness. This helps encourage sleep by making you feel tired or drowsy as you get closer to bedtime.

Because of melatonins sleep-promoting effects, melatonin supplements are used to treat a variety of sleep problems. These can include:

1 and 5 mg .

Melatonin typically takes 1 to 2 hours to work, so its often taken up to 2 hours before bedtime.

If youre looking to try melatonin for the first time, it may be best to begin with a lower dose. Your doctor can help recommend a safe dose for you to start with.

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Establishment Of The Ckd Mouse Model And Harvesting Bone Marrow

We prepared a CKD mouse model following a previously established protocol . In brief, 8-week-old male BALB/c mice were fed an adenine-containing diet for 1-2 weeks. Mouse body weights were measured weekly. Bone marrow-derived MSCs were harvested from the hind limb long bones. Isolated bone marrow was centrifuged and suspended in primary culture medium, and bone marrow-derived MSCs were cultured in a humidified incubator at 37°C with 5% CO2. Healthy- and CKD-MSCs were separated from each group with five mice per group. All MSCs were characterized in each cell line.

Is It Safe For Kids

Melatonin is the second most used natural product for children.

Studies show that it can also help children with autism spectrum disorder , who tend to have lower levels of melatonin, and children with ADHD, who tend to have trouble falling asleep and staying asleep.

One recent study of 125 children and teens with ASD found that those who took larger doses â from 2 milligrams to 5 milligrams â of prolonged-release melatonin for 13 weeks were sleeping about an hour longer per night, with fewer sleep disturbances, by the end of the study.

âItâs generally safe, itâs not habit forming, and people donât really develop a tolerance for it,â Canapari said. âIt is my first-path sleep medication for children who need it.â

But other researchers say theyâre concerned about its safety.

In 2015, researchers from Australia published a study pointing to research that linked melatonin use on rodents to changes in when they start puberty. The report also notes that in the early 1990s, scientists were looking into high doses of melatonin as possible human birth control because of the way it could affect the reproductive system.

âConsidering the small advances melatonin provides to the timing of sleep, and considering what we know about how melatonin works in the body, it is not worth the risk to child and adolescent safety,â warned lead author David Kennaway, head of the Circadian Physiology Laboratory at the University of Adelaideâs Robinson Research Institute.

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Medications That Can Harm The Kidneys

No matter what kind of medicine you take, whether OTC or prescription, it is destined to take a trip through your kidneys. Taking a drug the wrong way or in excessive amounts can damage these vital, bean-shaped organs and lead to serious complications. In the worst-case scenario, it could necessitate a kidney transplant.

Compared with 30 years ago, patients todayhave a higher incidence of diabetes and cardiovascular disease, take multiple medications, and are exposed to more diagnostic and therapeutic procedures with the potential to harm kidney function, according to Cynthia A. Naughton, PharmD, senior associate dean and associate professor in the department of pharmacy practice at North Dakota State University. All of these factors are associated with an elevated risk of kidney damage.

An estimated 20% of cases of acute kidney failure are due to medications. The technical term for this scenario is nephrotoxicity, which is growing more common as the aging population grows, along with rates of various diseases.

The kidneys get rid of waste and extra fluid in the body by filtering the blood to produce urine. They also keep electrolyte levels balanced and make hormones that influence blood pressure, bone strength and the production of red blood cells. When something interferes with the kidneys, they cant do their job, so these functions can slow down or stop altogether.

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The Kidney Disease Solution Ebook

Melatonin may not be as safe as you think

Its the main portion of the program comprising 114 pages, divided into thirteen chapters. Its a comprehensive, step-by-step guide to the whole program. It includes all the details you will need on changing your lifestyle and improving your kidneys. The methods found in the book are supported by the latest research and research that is written in an simple language.

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Melatonin May Improve Sleep In Hemodialysis Patients

DENVERTaking melatonin supplements may help improve sleep and quality of life during the first three months of treatment in hemodialysis patients. Those benefits, however, do not appear to continue in the long-term.

Sleep disorders are common in dialysis patients because of disturbances in their biological clocks. Researchers from the Netherlands previously showed that giving dialysis patients melatonin, a hormone that helps regulate sleep and wake cycles, can improve sleep over a short period of time . In this current study, the researchers examined long-term effects of exogenous melatonin on sleep and quality of life in HD patients.

The researchers, led by Marije Russcher, PharmD, a hospital pharmacist at Meander Medical Center, Amersfoort, Netherlands, conducted a one-year, randomized, double-blind, placebo-controlled trial with melatonin 3 mg in 70 HD patients. Objective sleep measurements were taken at baseline and at three, six, nine, and 12 months. QoL was measured using the Medical Outcomes Study Short Form-36 questionnaire and melatonin concentrations curves were sampled in saliva at baseline and at six months.

At the end of the 12-month study, the investigators noted a positive effect on social functioning and a trend in improvement of mentality.

Dr. Russcher said more research is needed to determine the optimal dose for HD patients, but these patients may want to consider using melatonin for its potential short-term benefits.

Analysis Of Laboratory Parameters

Melatonin levels in serum were measured by the commercially available RIA kit . Aliquots of 400 microlitre of a serum sample were added directly in assay tubes having an inter-assay CV of 17.8% at 20.1 ng/l. The detection limit was 0.5 pg/ml. All samples originating from one subject were analysed in the same run.

Cortisol levels were measured by a competitive chemiluminescent enzyme immunoassay on an IMMULITE 2000 platform having an inter-assay CV of 9.6% at 0.43 mol/l. Aliquots of 200 microlitre of a serum sample were added directly in assay tubes. The detection limit was 0.03 mol/l.

Furthermore, standard laboratory parameters were measured. Because we included patients with a glomerular filtration rate > 60 ml/min, we estimated GFR by means of the CockcroftGault method, as MDRD estimated GFR is not validated for GFR > 60 ml/min.

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Bonus #3 Free Lifetime Updates

The programs creators frequently make changes to the program in line with the most recent research as well as medical advances. After you have purchased the program, youll have lifetime access to any future updates and enhancements at no cost. All customers will receive prior access to the latest innovations.

How To Take It

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There is currently no recommended dose for melatonin supplements. Different people will have different responses to its effects. Lower doses appear to work better in people who are especially sensitive. Higher doses may cause anxiety and irritability.

The best approach for any condition is to begin with very low doses of melatonin. Keep the dose close to the amount that our bodies normally produce . You should only use the lowest amount possible to achieve the desired effect. Your doctor can help you determine the most appropriate dose for your situation, including how to increase the amount, if needed.


  • Always ask your child’s doctor before giving melatonin to a child. In fact, doses between 1 to 5 mg may cause seizures in this age group.


  • You should work with your doctor to find the safest and most effective dose for you. The right dose for you should produce restful sleep with no daytime irritability or fatigue.
  • Jet lag: 0.5 to 5 mg of melatonin 1 hour prior to bedtime at final destination has been used in several studies. Another approach that has been used is 1 to 5 mg 1 hour before bedtime for 2 days prior to departure and for 2 to 3 days upon arrival at final destination.

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Is Melatonin Safe For Children

Often children can overcome sleep issues by sticking to it a consistent bedtime. For children who still have difficulties with sleeping, melatonin does appear to be safe for use in the short term. Researchers know less about its long term effects on the growth and development of children.

When giving a child melatonin, begin with the lowest possible dosage and only increase it if necessary. Before starting a child on a course of melatonin, speak to a pediatrician for advice.

Melatonin comes in many different forms, including gummies, chewables, and pills, and there is no single recommended dose.

Side Effects Of Melatonin Interactions

  • Sleepiness and drowsiness with sedative medication the interaction between sedative medications or depressants and melatonin can lead to excessive daytime sleepiness and drowsiness. It is essential you avoid taking melatonin with medications like lorazepam, clonazepam, zolpidem, etc.
  • Wakefulness with caffeine combining melatonin with caffeine may result in decreased melatonin effects. Caffeine will overpower melatonin, so instead of sleepy, one might feel more wakeful and alert.
  • Increased blood sugar with diabetes medication because melatonin increases blood sugar levels, and the diabetic medication lowers it, it can completely overpower the effectiveness of diabetes medication. This can lead to some serious issues in diabetic patients, who should avoid taking melatonin with insulin, glimepiride, glipizide, rosiglitazone, etc.
  • Bleeding risk with anticoagulants because melatonin slows down blood coagulation, it should be smart to avoid taking it together with medication that has the same effects. The combination of anticoagulants with melatonin may cause bleeding and bruising. Such medications include aspirin, ibuprofen, naproxen, enoxaparin, heparin, diclofenac, etc.

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Protective Effect Of Melatonin Related To Fibrillation

Fibrillation plays a leading role in renal I/R injury to accelerate kidney damage from AKI to CKD condition. The Wnt/-catenin, as well as transforming growth factor- /Smad pathways perform important effects in the fibrosis of CKD . Under damage conditions, Wnt/-catenin signaling is activated , and its sustained activation can promote renal fibrosis to induce the transition from AKI to CKD . Fibrotic, as well as profibrotic genes, including twist, snail1, fibroblast-specific protein 1, and plasminogen activator inhibitor-1, are the downstream molecules related to Wnt/-catenin signaling. TGF-1 phosphorylate Smad2 and Smad3 to activate receptors through the combination with its adaptor, Smad anchor with its receptors TGF- receptor I and II . The phosphorylated Smad2 and Smad3 pass through Wnt/-catenin signaling to regulate the expression the profibrotic factor. Smad4 is also critical to TGF-1-mediated fibrogenesis , while Smad7, as the negative regulation factor of the TGF-/Smad pathway, could inhibit phosphorylate Smad2 and Smad3 . Chen et al. demonstrated that melatonin performed extensive inhibitory effects on the TGF-/Smad and Wnt/-catenin pathways to prevent the AKI from progressing to CKD .

Otherwise, in AKI to CKD condition, Gas6/Axl mentioned earlier serves as a profibrotic route and accelerates fibrogenesis . Then, melatonin could downregulate Gas6/Axl signaling pathway to prevent the fibrosis of the kidney .

Melatonin Treatment To Mmscs

Obesity Caused Kidney Damage and Protection From Obesity Related Kidney Disease

Healthy- and CKD-mMSCs were washed twice with phosphate-buffered saline , and then cultured in fresh alpha-minimal essential medium supplemented with 10% fetal bovine serum . To examine the protective effect of melatonin , mMSCs were incubated with melatonin at 37°C for 24 h and then subjected to various experimental assays for respective purposes. For luzindole treatment, the mMSCs were pretreated with luzindole before melatonin treatment.

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Protective Effect Of Melatonin Related To Autophagy

Autophagy plays a cardinal contribution in renal I/R injury. Injurious autophagy may lead to the release of excessive ROS and pro apoptotic factors, which ultimately cause cell death . Yang et al. suggested that a major pathway for melatonin-induced autophagy in I/R injury involves activating the TLR4-MyD88 signaling pathway . Mitogen-activated protein kinases pathways is actived by the MyD88 pathway . Mammalian target of rapamycin complex 1 , a convergence point for many upstream pathways, including MAPKs, regulates autophagy. Yang et al. revealed that melatonin-induced autophagy among renal I/R mice was dependent on downregulation of mTORC1 by its upstream activator, the TLR4/MyD88 .

Otherwise, it is known that phosphatidylinositol-3-kinase /AKT/mTOR pathway perform a core effect to regulate cell survival, as well as cell growth, and proliferation . Another important finding of Chang YC was that PI3K/AKT/mTORC1 signaling pathway was significantly upregulated in the I/R kidney, while melatonin can significantly inhibit this signal pathway . It was claimed that the activation of PI3K/AKT/mTOR signaling under the I/R condition is the internal response of tissue or organs to I/R , and melatonin could reverse this situation .


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