Dietary supplements for sleep: what natural solutions are there for insomnia?

Sleep disorders affect a significant portion of adults in France. Difficulty falling asleep, nocturnal awakenings, or non-restorative sleep are all symptoms that can harm physical and mental health. In this article, we explore natural solutions and dietary supplements studied to support better quality sleep.

Why is sleep essential for health?

Sleep allows for physical regeneration, memory consolidation, hormonal regulation, and the maintenance of the immune system. Poor sleep quality is associated in the literature with an increased risk of metabolic and cardiovascular disorders [1].

Common causes of sleep disorders

• Stress, anxiety, or mental rumination
• Overexposure to screens in the evening (blue light)
• Magnesium or vitamin B6 deficiencies [2]
• Lifestyle habits disrupting the circadian rhythm
• Consumption of stimulants (coffee, alcohol, nicotine)

Supplements studied to support sleep

Melatonin

Melatonin is the natural sleep hormone. According to the literature, its supplementation can help reduce the time it takes to fall asleep, especially in cases of jet lag [3].

Valerian

This plant has mild sedative effects, studied to reduce the time it takes to fall asleep and improve perceived sleep quality [4].

Magnesium

Magnesium participates in nervous regulation and promotes muscle relaxation, with a possible effect on anxiety and nocturnal awakenings [5].

Vitamin B6

It acts as a cofactor in the synthesis of serotonin and melatonin, two neurotransmitters involved in sleep [6].

Practical tips for naturally improving sleep

• Avoid screens at least 1 hour before bedtime
• Maintain regular bedtime and wake-up times
• Create a relaxing ritual (reading, warm shower, breathing exercises)
• Generally allow several weeks of regular intake to assess an effect

Supplements available on our website

• Valerian Root 500 mg, Vegetable Capsules (NOW Foods) — relaxation support
• Calm Magnesium Glycinate, 90 capsules (Natural Vitality) — magnesium bisglycinate
• P-5-P, Active Vitamin B6 (NOW Foods) — cofactor for serotonin and melatonin synthesis

Scientific References

1. Medic G, Wille M, Hemels ME. Short- and long-term health consequences of sleep disruption. Nat Sci Sleep. 2017;9:151-161.
2. Abbasi B et al. The effect of magnesium supplementation on sleep quality: a randomized controlled trial. J Res Med Sci. 2012.
3. Brzezinski A. Melatonin in humans. N Engl J Med. 1997;336(3):186-195.
4. Fernández-San-Martín MI et al. Valerian for sleep: a systematic review and meta-analysis. Sleep Med. 2010;11(6):505-511.
5. Abbasi B et al. (see ref. 2) — effect of magnesium on insomnia in the elderly.
6. Kennedy DO. B vitamins and the brain: mechanisms, dose and efficacy. Nutrients. 2016;8(2):68.

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