Hormonal
Dietary intake of melatonin-rich plant foods (particularly seeds and fruits) increases serum melatonin levels and urinary 6-sulfatoxymelatonin concentrations in humans, contributing to endogenous modulation.
To support your natural melatonin levels through diet, prioritize eating seeds (like sunflower, flax, sesame) and fruits (like tart cherries, grapes, olives). These plant parts contain the highest concentrations of melatonin found in nature. While your body produces melatonin, dietary intake from these sources contributes to serum levels, which may be particularly beneficial as endogenous production declines with age.
Some studies report that foodstuffs intake containing melatonin may contribute to raising the level of this molecule in the serum and 6-sulfatoxymelatonin concentrations in urine [89].
Why this rating
The paper is a review citing multiple studies; it states 'Some studies report' without providing specific trial data or effect sizes in this text.
Source
Melatonin in Medicinal and Food Plants: Occurrence, Bioavailability, and Health Potential for Humans
Bahare Salehi et al. · Cells · 2019
DOI 10.3390/cells8070681
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