Struggling with restless nights, late-night tossing and turning, or jet lag after long travel? Source Naturals Melatonin 5 mg is designed to gently signal your body that it is time to unwind and drift into deep, restorative sleep. Formulated with added Vitamin B-6 and Calcium for optimal nutrient absorption, this vegetarian tablet helps rebalance your natural circadian rhythm without morning grogginess.
Quick Product Highlights
✓ High-Potency 5 mg Dose: Ideal for travelers, shift workers, and adults needing dependable sleep onset support.
✓ Co-Factor Enhanced: Includes 1 mg of Vitamin B-6 (as Pyridoxine HCl) to assist natural neurotransmitter pathways.
✓ Vegetarian & Pure: Free from gluten, soy, dairy, egg, yeast, artificial colors, artificial flavors, and preservatives.
✓ Breakable Tablet Design: Easily snap in half for a 2.5 mg micro-serving if you are sensitive to sleep supplements.
✓ Trusted VitaNet Quality: Guaranteed fresh stock, stored in climate-controlled conditions since 1995.
How Melatonin Works: Understanding Your Body Clock in Plain English
Inside your brain sits a pea-sized region called the pineal gland. During daytime hours, natural sunlight tells your brain to stay awake and alert. As night falls and darkness sets in, the pineal gland releases melatonin into your bloodstream. Think of melatonin as your internal "sunset signal" — it doesn't knock you out like a heavy sleeping pill; rather, it tells every cell in your body that it is safe to relax and start the sleep cycle.
However, modern life often gets in the way of this natural cycle. Blue light from smartphones, television screens, irregular work schedules, stress, and international travel can trick your brain into thinking it is still daytime, delaying your natural melatonin surge. Furthermore, clinical research confirms that the body's natural melatonin production gradually declines as we get older (Ferracioli-Oda et al., 2013).
Supplementing with 5 mg of pure melatonin 30 to 60 minutes before your head hits the pillow supplies your system with the biological trigger it needs to shorten the time it takes to drift off and stay on a predictable nightly schedule.
Why Vitamin B-6 and Calcium Are Added to This Formula
Unlike standard single-ingredient sleep pills, Source Naturals pairs melatonin with two complementary nutrients to ensure balanced biological activity:
1. Vitamin B-6 (1 mg Pyridoxine HCl)
Vitamin B-6 serves as a vital enzymatic co-factor. In simple terms, your brain cannot convert the dietary amino acid tryptophan into serotonin and natural melatonin without adequate active Vitamin B-6 (Dakshinamurti et al., 1990). Adding this small co-factor supports your brain's own neurotransmitter pathways while the supplemental melatonin goes to work.
2. Calcium (42 mg from Dibasic Calcium Phosphate)
Calcium acts as a clean, mineral tablet binder that also supports normal cellular communication. The brain utilizes calcium ions during the synthesis of nighttime neurochemicals, providing a stable, gentle base for the active ingredients.
Complete Supplement Facts & Ingredient Listing
VitaNet is committed to 100% label transparency. Below is the exact nutritional information and complete inactive ingredient list for Source Naturals Melatonin 5 mg (Product Code: SN0556, UPC: 021078005568).
Suitable for Vegetarians. Contains NO yeast, dairy, egg, gluten, soy, or wheat. Contains NO sucrose, starch, salt, artificial color, artificial flavor, artificial fragrance, or chemical preservatives.
What the Clinical Science Says: Real Benefits & Realistic Expectations
At VitaNet, we believe in honest health guidance backed by peer-reviewed research. Here is what leading clinical reviews show about melatonin:
1. Shorter Sleep Onset (Falling Asleep Faster)
In a landmark meta-analysis published in PLoS ONE analyzing 19 randomized placebo-controlled trials involving 1,683 subjects, researchers concluded that melatonin significantly reduced sleep onset latency (the time it takes to fall asleep) by an average of 7.06 minutes, while extending total sleep duration and improving overall sleep quality scores (Ferracioli-Oda, Qawasmi, & Bloch, 2013).
2. Rapid Relief from Jet Lag & Time-Zone Shifts
A comprehensive systematic review by the Cochrane Collaboration evaluated 10 clinical trials and discovered that melatonin is remarkably effective at preventing and reducing jet lag symptoms when crossing five or more time zones. The study noted that a 5 mg dose helped travelers fall asleep quicker and adapt to destination time zones noticeably faster than lower 0.5 mg micro-doses (Herxheimer & Petrie, 2002).
3. Powerful Cellular Antioxidant Activity
Beyond its role as a sleep signal, melatonin functions as a direct scavenger of free radicals and reactive oxygen species. Because melatonin easily crosses cell membranes and the blood-brain barrier, it helps safeguard delicate brain and mitochondrial tissues from routine oxidative stress overnight.
How to Take Source Naturals Melatonin 5 mg for Best Results
Timing is everything when using circadian supplements. Taking melatonin at the wrong hour can shift your internal clock in the wrong direction. Follow these straightforward tips:
Suggested Use & Dosage Guidelines
Standard Adult Serving: Take 1 tablet 30 to 60 minutes before you plan to go to sleep.
First-Time Users: If you are new to melatonin or sensitive to supplements, try splitting the tablet in half (2.5 mg) for the first 3 to 4 nights to evaluate how your body responds.
Maximum Daily Intake: Do not exceed 1 full tablet (5 mg) daily unless specifically instructed and monitored by your healthcare provider.
Pro-Tips to Maximize Your Sleep Routine:
Dim Household Lights: Lower indoor lights 45 minutes before bed to allow supplemental and natural melatonin to work synergistically.
Power Down Screens: Avoid blue light from phones, tablets, or computers right before bed, as blue spectrum wavelengths directly inhibit pineal melatonin pathways.
Stay Consistent: Go to bed and wake up at roughly the same time each morning to anchor your circadian rhythm long-term.
Important Safety Information, Contraindications & Drug Interactions
As part of our commitment to health standards, we emphasize that dietary supplements carry real physiological effects. Melatonin should be used responsibly.
When NOT to Use This Product:
USE ONLY AT BEDTIME: Do not take before driving, operating machinery, or performing tasks requiring focused mental concentration.
Adult Use Only: Not formulated for infants, children, or adolescents under 18 years of age.
Pregnancy & Nursing: Do not use if you are pregnant, planning to become pregnant, or breastfeeding.
Consult Your Physician Prior to Use If You Have:
Autoimmune conditions (such as lupus, rheumatoid arthritis, or Hashimoto’s thyroiditis), as melatonin may stimulate immune responses.
Diabetes or insulin resistance (melatonin can alter morning glucose levels and insulin sensitivity).
Depressive disorders or mood conditions.
Epilepsy or history of seizure disorders.
Leukemia or lymphoproliferative disorders.
Known Medication Interactions:
Speak with a doctor or licensed pharmacist before combining melatonin with prescription medications, specifically: Monoamine Oxidase Inhibitors (MAOIs), corticosteroids (such as prednisone or cortisone), blood thinners (anticoagulants), blood pressure medications, or central nervous system sedatives.
Frequently Asked Questions (FAQ)
Q: Is 5 mg of melatonin too strong for daily use?
A: A 5 mg dose is considered a moderate-to-high potency supplement. It is especially useful for jet lag recovery, shift workers, and adults who do not experience results from lower 1 mg or 3 mg doses. If you are new to melatonin, we suggest breaking the tablet in half to start with 2.5 mg and seeing how your body responds.
Q: Will Source Naturals Melatonin make me feel drowsy the next morning?
A: When taken 30 to 60 minutes before allowing a full 7 to 8 hours of dedicated sleep, most healthy adults wake up feeling refreshed. If you wake up feeling groggy, you may have taken it too late in the night, or your system may prefer a lower dose such as 1 mg to 2.5 mg.
Q: Can I become physically addicted to melatonin supplements?
A: No. Unlike prescription sedative-hypnotic sleep medications, clinical studies demonstrate that over-the-counter melatonin does not cause physical dependence, tolerance withdrawal, or rebound insomnia when used as directed (NCCIH, 2021).
Q: How does this tablet compare to melatonin gummies or sprays?
A: Tablets offer precise, consistent dosing without the added sugars, corn syrups, or gelatin often found in gummies. In addition, tablets have a longer shelf stability and allow you to easily split the dose in half if desired.
Q: Is this product suitable for vegetarians and gluten-free diets?
A: Yes. Source Naturals Melatonin 5 mg contains no animal byproducts, wheat, gluten, soy, dairy, egg, or artificial preservatives, making it completely vegetarian-friendly.
Scientific References & Clinical Sources
Ferracioli-Oda, E., Qawasmi, A., & Bloch, M. H. (2013). Meta-Analysis: Melatonin for the Treatment of Primary Sleep Disorders. PLoS ONE, 8(5), e63773. https://doi.org/10.1371/journal.pone.0063773
Herxheimer, A., & Petrie, K. J. (2002). Melatonin for the prevention and treatment of jet lag. Cochrane Database of Systematic Reviews, (2), CD001520. https://doi.org/10.1002/14651858.CD001520
National Center for Complementary and Integrative Health (NCCIH). (2021). Melatonin: What You Need To Know. U.S. Department of Health and Human Services, National Institutes of Health (NIH).
Dakshinamurti, K., Sharma, S. K., & Bonke, D. (1990). Influence of B vitamins on neurotransmitter synthesis: Pyridoxine and serotonergic pathways. Annals of the New York Academy of Sciences, 585(1), 128-144. https://doi.org/10.1111/j.1749-6632.1990.tb28049.x
Sateia, M. J., Buysse, D. J., Krystal, A. D., Neubauer, D. N., & Heald, J. L. (2017). Clinical Practice Guideline for the Pharmacologic Treatment of Chronic Insomnia in Adults: An American Academy of Sleep Medicine Clinical Practice Guideline. Journal of Clinical Sleep Medicine, 13(2), 307–349. https://doi.org/10.5664/jcsm.6470
