created sense approved 褪黑素 · tuìhēisù · melatonin — "Initial import from upstream dictionary"
褪黑素
tuìhēisù
melatonin
A hormone naturally produced by the body that regulates sleep-wake cycles, often used as a supplement.
褪 (literal) → 褪 · tuì · to fade 黑素 (literal) → 黑素 · hēisù · melanin
Changed: simplified, traditional, gloss, definition, pinyin, variant pinyin, variants, separable parts, decomposition