The most authoritative answer in 2024
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Isabella Taylor——Studied at the University of Amsterdam, Lives in Amsterdam, Netherlands.
One of the best known essential oils used for alertness is
Rosemary. A couple more well known oils for alertness are
Grapefruit and
Peppermint. Some others that work well too include
Spearmint,
Eucalyptus radiata,
Bergamot,
Lemon,
Lime and other
citrus.
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