This from the "all about aya" stickie, the first thread in the subforum and on the first page in the first post:
Quote:-Mimosa (Mimosa Hostilis): A traditional entheogen, un-traditionally used in Ayahuasca brews for its nn-dmt. There are also loads of other "mysterious jungle alkaloids" that are presently not fully understood...
-Warning #1: Mimosa *MUST* be brewed separately from the vine!! It is normal for a sediment to drop out of any brewed plant material after 24 hours or so; in the case of vine and leaves, the sediment may be consumed, but NOT in the case of Mimosa. It can be prepared in identical manner to the vine, only in a separate pot. After decanting for 24 hours, a dark sludge should fall out; the sludge is responsible for most of the ill feelings and bad experiences related to Mimosa. Decant, filter through pantyhose/cheesecloth, and pour into a sterilized jar. Do not drink the sludge!
-Warning #2: Potent and well-prepared MHRB is extremely unforgiving when it comes to dosing improperly. There are some absolutely insane reports on the web about people taking 8g, or even 25g. Prepared identically to Caapi, Mimosa can become active at .5g, and I would never, ever recommend a dose beyond 3g without EXTENSIVE personal experimentation and perfection of brewing techniques. Very little goes a long way. Less is more, and too much light will bring panic. People have used the word "leash" with this plant.
-Experiential notes: The spirit of Mimosa is extremely vocal about global justice issues. Lots of blues, greens, and reds, in color. No "rainforest presence," as with leaves and vine. When approached in appropriate doses, great mysteries of body, birth, and being are readily explored. Those familiar with jungle spice will find themselves very close to home.
Please hone your research skills. It took me 20 seconds to find this.

I will let you read the rest, above this section in the thread about ayahuasca (aya is the caapi vine, other things are admixtures, and while some claim that mimosa is active on its own, it has, to my knowledge, yet to be proven empirically. regardless, if ayahuasca is what you are aiming to try, you'll need to brew the vine, by definition.) See also the pharmahuasca subforum for variations. I believe there is also info in the FAQ (have you read this required reading? get to it, whippersnapper

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Good luck
JBArk
JBArk is a Mandelthought; a non-fiction character in a drama of his own design he calls "LIFE" who partakes in consciousness expanding activities and substances; he should in no way be confused with SWIM, who is an eminently data-mineable and prolific character who has somehow convinced himself the target he wears on his forehead is actually a shield.