Gather first
Use written program directions, appropriate coffee, safe water, a non-aluminium pot, measuring tools, a fine-mesh sieve, purpose-made equipment, lubricant, towels, a timer, and a private place near a toilet.
Practice without hype
There are many recipes and programs. The book provides one clearly identified basic Gerson preparation, explains the equipment, and shows where consistency and common sense matter.

Preparation principles
Coffee, water, preparation time, final volume, temperature, equipment, flow, and retention all affect the experience. If everything changes at once, nobody knows what they prepared or why it felt different.
Use written program directions, appropriate coffee, safe water, a non-aluminium pot, measuring tools, a fine-mesh sieve, purpose-made equipment, lubricant, towels, a timer, and a private place near a toilet.
The basic recipe uses four cups of distilled or properly filtered water and three rounded tablespoons of finely ground organic coffee, boiled for three to five minutes, covered and simmered for fifteen to twenty minutes, then strained and restored to four cups.
Never use the solution hot. Mix it so the temperature is even and bring it to approximately body temperature. If it feels hot against the inside of the arm, wait. Use a suitable thermometer when uncertain.
Use purpose-made equipment with a controllable clamp. Position the bag or bucket 18 to 24 inches above where you’re lying. Don’t raise it higher to force faster flow, and never push against pain or resistance.
The basic method aims for roughly twelve to fifteen minutes when comfortable. If you need to release sooner, release it. More pressure, volume, strength, or time isn’t automatically better.
Clean equipment promptly according to its manufacturer’s directions, rinse thoroughly, and let every part dry completely. Replace cracked, sticky, discoloured, leaking, or rough equipment.
Stop conditions
Stop and seek appropriate medical help for severe or increasing pain, significant bleeding, a suspected burn, fainting, confusion, chest pain, difficulty breathing, a racing or irregular heartbeat, or symptoms that are severe, unusual, or don’t settle.
People with significant bowel or rectal disease, recent surgery, serious kidney, heart, liver, immune, fluid-balance, or electrolyte problems—and anyone pregnant, frail, very young, undergoing cancer treatment, or seriously ill—should obtain qualified guidance before beginning.

Position
Max Gerson directed the patient to lie on the right side, draw both legs toward the abdomen, and breathe deeply. His stated goal was to help distribute fluid into more of the colon. The coffee remains inside the bowel; the position doesn’t send liquid directly to the liver.
This page is an educational overview, not the complete procedure or individualized medical advice. Follow the directions of a qualified practitioner, a defined program, and the equipment manufacturer. The finished book contains the complete step-by-step chapter and fuller safety discussion.