Melatonin

SupplementClinical5 reviews

+2.2

Average score out of 5

Based on 5 experience(s)

Hormone that regulates the sleep-wake cycle. It is used by Long COVID patients to improve sleep quality, reduce sleep disturbances, and for its antioxidant properties.

Brand names

Circadin

Information

Subcategory: Hormone / Chronobiotic
Evidence level: 2/5
Evidence type: Observational and preclinical studies

Score distribution

0 (0%)

3 (60%)

2 (40%)

0 (0%)

Negative

0 (0%)

Most improved symptoms

Insomnia

60%

Chronic fatigue

40%

Practical information

Time to effect

< 1 week

Reported side effects

Drowsiness (20%)At least at the dose I chose (20mg) (20%)it can make daytime fatigue worse in the mornings. (20%)

Latest reviews

Anonymous review+3

36-45 y.o. · 5/21/2026

Anonymous review+3

26-35 y.o. · 5/19/2026

Parfois besoin de doubler la dose, aide pour la poussée d'adrénaline post effort

Anonymous review+3

26-35 y.o. · 5/5/2026

Anonymous review+1

18-25 y.o. · 5/1/2026

Works very well for putting me to sleep quickly/solving insomnia.

Anonymous review+1

46-55 y.o. · 4/21/2026

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