I will post your article with one do-follow link in my high quality natural health related blog. The Blog is three years old and has a decent traffic. You need to provide an unique content atleast 400 words long with the desired keyword (anchor text for linking) already included in the article body.
There are only a few posts with OBL. So you will get the best link juice from an old health blog.
If you wan't me to write the content about your product / service please buy one extra Gig.