Plants - Drugs Mind - Spirit Freedom - Law Arts - Culture Library  
It's Erowid's Annual Public Support Drive!
September is our annual support drive, when we ask YOU to support reliable, independent drug information by helping Erowid reach more unique donations than ever before in a single month (1,225 is the goal this year).
We still need 838 donations by September 30th. [see progress]

Donate by Bitcoin
Methylphenidate (Ritalin)
by Erowid
Archived Images #
Methylphenidate #
Photo showing a pile of 10 mg methylphenidate tablets, bearing the imprint "TEC / 59Y", on a digital scale. [Canada]
Photo by Romulaz, © 2005
Yellow 18 mg and white 36 mg extended-release methylphenidate (Concerta) tablets. [USA]
Photo by Mars Windyhorse. © 2009
Color photo of 20 mg Ritalin LA (time release) Capsules by Novartis bearing the imprint "NVR/R20".
Photo by Mbarr © 2003
Color photo of a 10 mg methylphenidate tablet, brand unknown.
Color photo of a 5 mg Ritalin tablet.
Molecules #
Still 2D image of the Methylphenidate molecule.
Image by Erowid, © Erowid 1999.
Rotating 3D image of the Methylphenidate molecule.
Image by Erowid, © Erowid 1999.
Submissions and Credits #
If you have photos you'd like to donate to Erowid's Image Vaults, we'd love to see them! We intend
to give credit to all photographers and artists. If you know the photographer of an unlabelled photo
in our collection or if we are using a photo of yours without permission, please let us know and we'll
add credit or remove the image, as you choose.