Cautions

"Based on available studies and clinical use, melatonin is generally regarded as safe in recommended doses for short-term use.

"Available trials report that overall adverse effects are not significantly more common with melatonin than placebo."         - U.S. National Institutes of Health

Cautions Compared

Mouse-over each item for more details.
  Absolute Contraindication (Completely Prohibited)   NIH MNT MSC WMD
Lactation
  Contraindicated (Inadvisable to Use)   NIH MNT MSC WMD
Alcohol, Other Drugs  
Autoimmune 
Children 
Liver or Kidney Disease, Stroke, Epilepsy   
Pregnancy
Schizophrenia, Systemic Lupus Erythematosus   
  Possible Side Effects   NIH MNT MSC WMD
Abnormal Heart Rhythms  
Blood Flow 
Blood Pressure   
Blood Sugar, Cholesterol, Heart Rhythms   
Confusion, Difficulty Concentrating, Alertness
Eyes   
Fatigue, Dizziness, Sleepiness, Irritability  
Headache 
Hormonal Effects   
Hypothermia   
Itching, Heaviness in the Head   
Mood Changes, Depression
Morning Grogginess  
Reduced sperm count  
Seizure  
Sleepwalking   
Stomach Problems  
Vivid Dreams  
  Overdose   NIH MNT MSC WMD
Balance   
Disorientation   
Psychotic Symptoms   

Summarized from:   U.S. National Institutes of Health (NIH),  
MedicineNet (MNT),   Medscape (MSC),   WebMD® (WMD)


WorldWide Labs
Customer Comments

"For many years I have woken around 3am and found difficulty getting back to sleep again. I now take two Melatonin 1.5gm Sustained Release tablets every night and have had no more broken nights... Thank you WWL!" - H.C., United Kingdom

"I am a shift worker frequent night/day swaps) and have been using your Melatonin for about 3 years to help switch from days to nights. It is great!!" - J.S. MD (ER Physician), Canada

"Just a quick note of 'thanks' for great service. Found your site by chance when researching melatonin on line. My husband and I are totally satisfied with the product, just ordered 2 more. We have recommended your site to the folks at the office, and even though our orders are tiny, we appreciate you and wanted to let you know. Cheers, and thanks again." - J&B J., Canada

"The veterinarian has prescribed Melatonin for my dog, a Keeshond. She is horrified of thunder and other loud noises. The doctor said that Melatonin will keep her calm." - K.F.B., USA

"After much searching in stores in our area, we came across WorldWide Labs and have, at last, found what we have been looking for. Your Regular 1.5's are just right for us..went to sleep like a baby .. no hangover in the morning! Many thanks and we hope you stay in business forever." - K&R B., USA

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