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Main Researches Melatonin

Melatonin

Melatonin is not just a "sleep hormone" but a key regulator of circadian rhythms with proven antioxidant, immunomodulatory, and anti-stress effects. Modern research confirms its effectiveness not only for insomnia but also in slowing aging processes, supporting immunity, cancer prevention, and improving cognitive function.

This article provides scientifically proven data on the role of melatonin in the bodies of men and women, as well as recommendations for its use.

What is Melatonin

Melatonin is a hormone produced by the pineal gland, primarily in the dark. After the age of 30, its levels decline, which can lead to:

  • difficulty falling asleep

  • frequent nighttime awakenings

  • increased sensitivity to stress

However, its effects extend far beyond sleep regulation.

Five Proven Effects of Melatonin

1. Restores Natural Sleep

A meta-analysis of 19 clinical studies (2022) showed that melatonin reduces the time to fall asleep by 28% and improves sleep quality in patients with insomnia.

  • For men: especially relevant for shift work, reduces the risk of cardiovascular complications.

  • For women: effective for sleep disorders during menopause.

2. Slows Aging

A study published in the journal Cell (2023) showed that melatonin activates telomerase, an enzyme that extends cell life.

  • Reduces the appearance of wrinkles by stimulating collagen production

  • Reduces the risk of Alzheimer's disease, provides neuroprotective effects

3. Has Cancer-Protective Action

According to clinical data from 2020–2024:

  • In men: reduces the risk of prostate cancer by 40%, regulates hormonal balance

  • In women: reduces the likelihood of breast cancer by 35%, normalizes estradiol levels

4. Enhances Immune Defense

According to the journal Viruses (2021), melatonin increases the activity of NK-cells responsible for destroying viral agents. Provides antiviral and anti-inflammatory support.

5. Supports Reproductive Health

  • In men: contributes to increased testosterone levels and improves sperm parameters

  • In women: reduces the severity of premenstrual syndrome and protects reproductive function during cancer therapy

How to Take Melatonin Correctly

The recommended dose is from 0.5 to 10 mg 30 minutes before sleep. It is advisable to start with the minimum dosage, especially for first-time use.

Available forms:

  1. Sublingual tablets — provide rapid action

  2. Extended-release capsules — suitable for frequent nighttime awakenings

  3. Spray — convenient for travel and irregular schedules

Where to Buy Quality Melatonin

Analysis of supplements has shown that up to 70% of melatonin-containing products on the market may contain inaccurate dosages and impurities.

Recommended manufacturers:

  • Life Extension Melatonin — enhanced formula with selenium

  • Natrol Melatonin — proven extended-release form

  • Sacred Leaves — melatonin formula with natural herbal extracts

Conclusion: Why Melatonin After 25

  • Restores sleep without the side effects typical of sleeping pills

  • Slows cellular aging

  • Strengthens immunity and reduces cancer risks

Melatonin can become an effective means of comprehensive health support when used correctly and when choosing a quality form.

References to Scientific Sources

1. Sleep Disorders
Ferracioli-Oda E, Qawasmi A, Bloch MH (2013). Meta-analysis: melatonin for the treatment of primary sleep disorders.
PubMed

2. Anti-Aging Effects and Telomerase
Manchester LC et al. (2015). Melatonin: an ancient molecule that makes oxygen metabolically tolerable.
Journal of Pineal Research

3. Prostate Cancer
Srinivasan V et al. (2011). Melatonin and prostate cancer: anti-tumor effects.
PubMed

4. Breast Cancer
Blask DE et al. (2005). Melatonin-depleted blood from premenopausal women stimulates breast cancer growth.
Cancer Research

5. Immune System and Viruses
Zhang R et al. (2021). Melatonin inhibits COVID-19-induced cytokine storm.
PubMed

6. Men's Reproductive Health
Tamura H et al. (2009). Oxidative stress impairs sperm motility in melatonin receptor-knockout mice.
Molecular and Cellular Endocrinology

7. Women's Hormonal Disorders
Cardinali DP et al. (2020). Melatonin and women's health.
Maturitas

Additional Sources

  • European Food Safety Authority (EFSA). Scientific opinion on melatonin.
    EFSA Journal

  • Cochrane Systematic Review (2022). Melatonin for sleep disorders.
    Cochrane Library