Natural RemediesPrimitive Skills How to Make Aspirin from Willow Trees – Natural Remedies By Melissa Francis - November 9, 2013 0 91 FacebookTwitterPinterestWhatsApp prepforshtf Prep For Shtf website shares how to make aspirin from willow trees. Homesteaders for hundreds of years have made a compound by boiling the bark of the white willow tree. Willow bark contains a chemical called salicin that is similar to aspirin. For back pain: Willow bark extract providing 120-240 mg salicin has been used. The higher 240 mg dose might be more effective. Click here to read the article: http://prepforshtf.com/aspirin-willow-bark/#.Un7iSOJnOIx . As a bonus, here is another article on the subject: http://home-remedies.wonderhowto.com/how-to/make-aspirin-from-willow-tree-0142525/