New Approach to Ayahuasca Preparation: Whole-Plant Extract, Reduced Nausea

Ayahuasca has captured global attention for its profound properties and unique botanical synergy. However, for decades, anyone seeking to experience the benefits of this traditional plant medicine has had to accept a harsh reality: severe physical discomfort is almost always part of the process. In fact, large-scale observational studies reveal that in over 60% of users, the classic preparation of Ayahuasca triggers severe nausea or intense vomiting.

A newly published, innovative preparation method directly addresses this long-standing problem. Known as the Matrix-Reduced Whole-Plant Approach, this method preserves the natural diversity and full potency of the traditional beverage while filtering out the heavy, excessive plant bulk. The goal of this advanced method is to specifically reduce stomach irritation and nausea by removing unnecessary physical plant mass, all without destroying the natural essence and complex chemistry of the original botanical mixture.

The Root of the Problem: Why Classic Ayahuasca Causes Such a Heavy Stomach Burden

To truly appreciate this new method, we must first understand why the traditional brew is so notoriously hard on the human body. In the traditional method, the vine (Banisteriopsis caapi) and the leaves (Psychotria viridis) are boiled in hot water for many hours, or even days. In certain traditions, this heavy boiling process at 100 °C can last for up to 60 hours.

While this intense thermal processing successfully extracts the desired active alkaloids—such as DMT, harmine, and harmaline—it comes at a massive physical cost. The boiling hot water acts like a giant sponge. It absorbs huge quantities of plant fibers, complex carbohydrates, organic acids, tannins, and suspended solid matter directly into the liquid.

This excess bulk—scientifically referred to as the botanical matrix—is enormous. To put it into perspective, the actual active compounds make up only a tiny, microscopic fraction of the thick, heavy brew. In a standard 50-milliliter dose, the active alkaloids are only present in milligram amounts, while the heavy, indigestible sugars (like fructose) and solid plant matter can weigh over 30 grams.

The rest of the beverage is pure, hard-to-digest physical plant mass. When consumed, this heavy botanical load suddenly hits the gastrointestinal tract, heavily irritating the stomach and leading to severe nausea in more than six out of ten people. The body is simply overwhelmed by the sheer volume of unnecessary plant material.

The New Process: Gentle Filtration Instead of Destructive Overboiling

Instead of exposing the sensitive plants to extreme, prolonged heat, the new matrix-reduced process uses a smart, incredibly gentle extraction technique utilizing water and ethanol. This process safely separates the medicine from the excessive physical weight in three distinct phases:

  • 1. Combined Room-Temperature Soaking: Rather than boiling the plants, both original plants are combined and soaked together in a mild, mildly acidic mixture of water and ethanol. This happens entirely without destructive heat, simply at room temperature. The mild acidity (around pH 4) is a crucial step, as it ensures that the essential alkaloids remain safely bonded to the liquid.

  • 2. Gentle Solvent Transition: The ethanol serves merely as a natural, temporary tool to pull a much broader spectrum of valuable compounds out of the leaves and vine than water could do alone. Afterward, the ethanol is gently and slowly evaporated. As this happens, it leaves behind a predominantly aqueous (water-based) liquid.

  • 3. Filtering the Heavy Plant Bulk: As the ethanol evaporates, something highly crucial happens to the physical structure of the liquid. The heavy, indigestible plant remnants, sticky carbohydrates, and suspended particles suddenly clump together and become insoluble. Because they are no longer dissolved in the liquid, they can now be easily and mechanically separated through a filter. The important and gentle active compounds, however, remain safely suspended in the clear water.

The Outstanding Strengths of This Approach

This extraction method is completely unique because it combines the best of both worlds. It prevents the extreme stomach burden of the heavy jungle brew without resorting to artificial, synthetic laboratory pills.

  • Significantly Less Nausea Through Less Bulk: This is the absolute core strength of the matrix-reduced process. By intentionally removing the heavy plant mass—stripping away grams of useless carbohydrates and indigestible matter per dose—the risk of nausea drops drastically. The resulting liquid becomes clearer, much more watery, and incredibly easier to drink.

  • The Genuine Whole Plant is Fully Preserved: Unlike reconstructed laboratory mixtures (often called “Pharmahuasca”) that contain only isolated compounds like pure DMT and pure harmine, the full spectrum of nature remains completely intact here. Important secondary plant compounds, such as natural polyphenols and minor alkaloids like tetrahydroharmine (THH), are not lost during filtration. It is, and remains, a 100% genuine botanical extract.

  • Gentle Processing Protects Sensitive Compounds: Because vigorous, rolling boiling is entirely avoided, the sensitive molecular building blocks of the plants remain perfectly intact. Under traditional methods, these delicate elements might otherwise be destroyed, altered, or degraded by extreme heat.

  • Respect for the Original Source: The traditional botanical ratio of the two master plants—such as the classic 50:50 balance—is not altered in any way. Only the extraction technology itself is modernized to protect the human body, deeply honoring the exact botanical architecture of the original preparation.

Redefining the Experience: Practical Benefits for the Future

In many traditional and indigenous contexts, physical purging (vomiting) is viewed as a highly necessary form of spiritual and physical cleansing. This new technology does not seek to erase that tradition, but rather to offer a choice.

This technological bridge offers immense benefits for modern, therapeutic, or clinical applications where physical purging is not the primary goal. It successfully turns a violent biological reaction into a controllable variable, opening the door for a much broader range of people to experience the benefits of these plants without fear of extreme physical illness.

You can find the full scientific article in the International Journal For Multidisciplinary Research:

Elias Rubenstein (2026): A Matrix-Reduced Whole-Plant Approach to Ayahuasca Preparation: Co-Extraction of Banisteriopsis caapi and Psychotria viridis
DOI: in process

Elias Rubenstein: A Matrix-Reduced Whole-Plant Approach to Ayahuasca Preparation: Co-Extraction of Banisteriopsis caapi and Psychotria viridis.pdf