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How long does it take vyvanse to start working after it is taken?

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Answers (2)

Anonymous

2 May 2013

Hello nwakudu. 24 to 48 hours. Regards pledge

Votes: +0

2 May 2013

Hi nwadudu,

My son took it he felt it by a week.

Smileyhappy

Votes: +0

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