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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 720 donations by September 30th. [see progress]

Donate by Bitcoin
Tryptophan
Images
by Erowid
Archived Images #
Molecules #
Still 2D image of the Tryptophan molecule.
Image by Erowid, © 2001 Erowid.org
Rotating 3D image of the Tryptophan molecule.
Image by Erowid, © 2001 Erowid.org
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.