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    1. Melatonin Hormone that regulates sleep, sold as a supplement
    2. Valproic acid Anti-seizure and mood-stabilising drug
    3. Cyproterone a synthetic anti-androgen and weak progestogen that inhibits DHT binding to androgen receptor
    4. Biotin B vitamin, often sold as a hair supplement
    5. Vitamin D Vitamin made in the skin from sunlight, also taken as a supplement