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21 Days Rejuvenation Clinical Studies Terrain Modification and Yoga Detox Retreat in Hakalau, Hawaii

Terrain Modification Research Academy, 31-247 Awapuhi Road, Hakalau 96710, Hawaii, USA

Hawaii Doctor Supervised Water Fasting, Re-Nutrification, and Detoxification Program

Are you ready to embark on a life-changing liquid fast and detox vacation adventure? Earther Academy offers the most comprehensive detoxification program in the world covering cleansing protocols from your face, head, and brain down to your feet and toes. Because the tube from your mouth to your anus is filled with toxicity and disease, Earther Academy offers a host of detoxification therapies to dissolve the build-up of toxicity so that you can absorb and renutrify a healthy tube which becomes a healthier you! If you are in need to "Renew, Reset and Rebuild" your health and your life, starting your program on a 30-acre private sanctuary, overlooking the breathtaking famous "Hamakua Coast" ocean, is where you need to be!

Meet the instructors

Robert & Nick
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  • Daily yoga classes
  • Weekly group discussion sessions
  • Workshops and lectures on various topics
  • Make your own toothpaste, skin cleaning solution, and more
  • 20 nights accommodation in a comfortable house
  • All the nutrition you need for re-feeding
  • Airport pickup and drop off

Skill level

  • Beginner
  • Intermediate
  • Advanced

Yoga styles

21 days with instruction
The maximum participants in the group is 8
Airport transfer included: Hilo International Airport
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The Terrain Modification Research Academy is located on beautiful tropical farmland on the Big Island of Hawaii along the breathtaking Hamakua coast in Hakalau, only 14 miles north of Hilo. There is no better place to host a detox retreat than on the Hamakua Coast, which in Hawaiian means “Breath of God”.

You will rest on orthopedic new pillow top beds, in rooms cleaned with non-toxic cleaners and non-VOC paints on all of the interiors of the house. Each room offers an Apple TV and basic cable on all televisions, high-speed internet (Wi-Fi is turned off every night), and private in-room safes for storing your valuables.

For fitness, Earther Academy offers omni yoga anti-gravity swings, small gym equipment, a few free weights, foam rollers, a walking or riding track that runs the entire perimeter of the property, and a year-round stream with waterfalls.

It is very hard to find facilities anywhere that have upgraded from old and toxic materials to new and green with a healthy traveler in mind. Earther Academy's theme is health, wealth, and happiness. They have tailored the suites to be more in line with a multi-layered health center.

All accommodations are reserved on a first to reserve basis. If you want to attend the program with a friend, family member, or partner, this is a great opportunity for you to book the master suite or flat before they are taken!

Shared twin rooms

The shared bedrooms have 2 beds per room, so you have a sidekick while you go on this rejuvenation journey.

Master suite

The master suite has a private bathroom in the main house and is furnished Bali style featuring its own private bathroom and gorgeous views of the Ocean.

Private Flat

The “Private Flat” is located next to the main house and can be used to accommodate 2 or 3 people or as single occupancy. The “1300 sq. Ft Flat” is located next to the main house and is a complete living domicile with kitchen, living room, bath/shower, office and high speed internet, cable TV, a large master bedroom and a large lanai deck overlooking the ocean.


Dissolve, wash, and re-nutrify. Upgrade, enhance, and optimize. Reset, renew, and rebuild. These are some of the life-changing themes Earther Academy share and teach at the 22-Day hands-on group workshops in Hawaii.

Did you know that water or liquid fasting is one of the most effective ways to reverse aging and the easiest way to efficiently reduce a lifelong accumulation of toxicity and parasites? Liquid fasting and learning “Terrain Modification Protocols” can make a profound difference for most people experiencing the precursors to what eventually develop into serious health problems and premature aging.

The primary goal of Earther Academy's online video courses and hands-on workshop retreats in Hawaii are to support the protocols, practices, and principles for achieving higher levels of health and wellness. This is accomplished through the study and practice of fasting, detox, rejuvenation, sustainable agriculture, and a naturalistic way of life. Another way of putting it; through these practices, you become your own preventative medicine practitioner and power.

In the 22 days of your journey in Hawaii, you will be shown many of the key protocols, practices, and principles for Terrain Modification and will be able to practice them in a small focus and support group.

Learn and practice of how to "dissolve, wash, and re-nutrify”, “upgrade, enhance, and optimize”, “reset, renew and rebuild” the body and mind and reconnect back to nature and yourself using the “Terrain Modification Protocols” in a hands-on personalized atmosphere and sanctuary.

The Hawaiian medically supervised clinical study and retreat is only available for small groups of six to eight people who are of like-minded and take part as members of the Earther Academy. They offer the 22-day intensive workshops and clinical study retreat periodically throughout the year three to six times annually. These are usually booked two to three months in advance.

Earther Academy has had business groups, entire families, couples, friends, or adventuress individuals who come alone. Many people often do this alone when going through fasting and detox protocols for transformative purposes but having support is paramount to the process.

You are invited to participate in this authentic one-of-a-kind experience at the Terrain Modification Research Academy. Professionally supervised terrain modification workshop or retreats are currently being offered under the direct supervision of Doctor Nicholas Tancheff, a licensed doctor of Chiropractic and certified fasting professional with the International Association of Hygienic Physicians.

Solid food and toxic food vacation

Earther Academy sees quite a lot of people that complain of being constantly tired or having been labeled as having chronic fatigue syndrome, fogginess in the head, no or low energy, complaining about many different internal or external physical symptomatology, depression, overeating, obesity, bad skin, insomnia, and many other problems that come to Hawaii for the Terrain Modification Research Academy.

These very common symptoms are usually a form of toxicity, de-mineralization, and usually a sign of being clogged up to some degree in various parts of the body by a variety of toxic parasites, yeast, mold, fungus and candida, and accumulated toxic particles like mercury, nickel, cadmium, aluminum, arsenic, lead, pesticides, plastics, bis-phenols, and others.

Earther Academy's program provides solutions for:

  • Clearing out heavy metals, parasites, environmental toxins
  • Rebuilding the gut wall flora, cell membranes, muscles, tissues, organs, and skeletal bones
  • Stimulating stem cell production from within your body
  • Resolving digestive and stomach problems
  • Lifting mental fog, depression, and exhaustion
  • Increasing strength, flexibility, and coordination
  • Restoring bliss and joy of life
  • Promoting healthy weight loss
  • Teaching anti-aging. This program and lifestyle upgrade is the best formula ever!

Most people get fantastic results over the 22 days in their own special way from losing excess body weight, toxicity, and fluids (on average 10 - 30 pounds). Then they replace the old with the new and gain a few pounds right back with new cleaner and conductive fluids. Sort of like an oil or filter change and engine tune-up.

Earther Academy offers two ketogenic 22-day fasting programs and has had excellent results with each of the programs specifically created:

Beginning or intermediate level program (22 days): “Multiple cycles of intermittent fasting and re-feeding protocols”

These protocols support overall body detoxification, rebuilding the intestinal flora and intestine rehabilitation.

Intermediate or advanced level program (22 days): "Block fasting and re-feeding protocols, the great biological reset”

These protocols support the overall body, mind, and emotional detoxification. Truly a much deeper layer of “resetting, rebuilding, and renewing” the body and mind.

Earther Academy likes to get people to come and stay for 22 days to make a deeper impact on lifestyle adjustments or enhancements that they will take home and apply to their lifestyles.

In time, everyone needs to be able to reset, rebuild, and clean the filters of their bodies on an ongoing basis. The variety of liquids that you will have will flush the body and make space to refill the body with the correct fuels and reintroduce the correct minerals and gut wall bacterial flora and to regenerate the bodies energetic bracket back so you can live more vitally with less biological and mental dysfunction.

Most people have never taken a “solid or toxic food vacation” for any period of time. Everyone has been accumulating a variety of toxins and stresses all of their lives without giving the body a rest to rejuvenate. Since this is a health-oriented detox and health vacation the results on the participants have been quite astounding and profound.

Liquid fasting specifically with distilled (dry water) detoxifies and super hydrates the tissues, and allows the gut wall flora and intestines a chance to be rested, to then rebuild with live ferments and finally get the nourishment it was designed for.

Gut wall flora and the intestines always need to be detoxed, renewed, and rebuilt through fasting, detoxification, correct nutrition, natural rest, nature and sunlight are some of the Terrain Modification departments you will learn and practice.

Most all of the participants Earther Academy see and hear from having GI issues because of the constant assaults from the many pesticides, insecticides, antibiotics. and chemicals in their everyday lives so program number one works best for them. Earther Academy has had excellent results with all types of people young and old.

At the core of the program, Earther Academy will be supporting reprogramming your body to stimulate its innate intelligence and self-organizing healing process. They will create the space to safely and supportively restore your health and function. They will guide you to upgrade yourself and teach yourself life-changing strategies to sustain long-term health.

These detoxification and regenerative protocols will rebuild the immune system, regenerate your nervous system, optimize your hormone levels, and re-establish balance within your body. Everyone transforms their lives by the time they leave in just three weeks. Come visit paradise, learn how to live this supernaturalistic lifestyle and take back your power and vitality!”

Please send Earther Academy an inquiry to find out how you can schedule your stay at the only destination on the planet where you can achieve the ultimate rest and true natural living your body needs in paradise and as an added bonus the hands-on training and education you need to enhance your lifestyle for a healthy longevity for the rest of your life.

Yoga classes

You will have gentle Restorative yoga, Hatha yoga, Vinyasa Flow, Astanga, and Pilates-influenced stretching. There are no requirements to join the yoga classes. Earther Academy works with beginners to more advanced. Most of their retreat participants are in the beginner category but they work with all levels in their yoga classes.

Education workshops covered at the retreat

  • Making your own skin cleaning solution and transdermal coconut oil or mineral solution and cacao butter
  • Making your own mouthwash
  • Making your own toothpaste
  • Making the scalp cleaning solution
  • Gua Sha and scraping in the far infrared sauna
  • How to make your own ferments
  • Making your own DNA ferments
  • Enema protocols: dissolve, wash, and re-nutrify
  • Using a camera to visually see and extract what is in your ears and how to dissolve, wash, and re-lubricate
  • Foot and hand soaking solution
  • Cranial facial release course with sananga eye medicine therapy
  • Making yerba mate mineralized breakfast teas and smoothies
  • Cacao ceremonies (beginning and ending the 22 days)
  • Weekly group Q&A sessions with doctor Cassar and doctor Tancheff
  • Clinically supervised water fasting education
  • Daily exercise, stretching, meditation and yoga workshops, and training
  • Skin cleansing, detoxification, and rejuvenation
  • Multiple parasite detoxification therapies
  • Learning deep massage therapies
  • Gardening and much more

Daily schedule (weather permitting)

This is an example of what your day may look like. All activities are optional and are offered as an effective practice to rejuvenate your mind, body, and spirit.

  • 08:00 - 09:30 Morning check-in, please make sure you are available during this time and in the retreat, this a beneficial time to get your vitals checked as well
  • 09:30 - 11:30 Movement and meditation. Morning time for a walk, jog, yoga, stretching, chi-breathing, and others
  • 12:00 - 16:00 Self-treatments, skin cleaning, transdermal minerals, self-transdermal iodine protocol, sunbathing, infrared sauna, steam room, cryotherapy at the waterfalls, and others. Education workshops and lectures will be scheduled in this time period as well and you will be informed each day what will be on your schedule for that day.
  • Your personal meditation practice (try to get a minimum of 30 minutes of meditation a day)
  • Education workshops, off-site adventures, or free time will be offered on the calendar
  • Weekly group Q&A sessions
  • 20:00 - 21:00 Preparation for bed, retire to your sleeping location
  • 21:00 - 07:00 Quiet time

When you reach the final days of the program, there will be a re-feeding schedule as well.

Lifetime membership

Once you have made your deposit to reserve your retreat Earther Academy will grant you a “Lifetime Membership” to Earther Academy so you can get started on some of the "Terrain Modification" protocols before you come to Hawaii and also to have access to our private membership for life after you leave too.


Robert Cassar

Nick Tancheff

Retreat location

You will love the Big Island for its authenticity and abundance of super clean and supercharged air. While you are here, enjoy sweeping views of the Pacific Ocean and spectacular sunrises keeping an eye open for passing humpback whales. Mauna Kea, the world’s tallest mountain when measured from its oceanic base is the perfect backdrop.

The energy and tranquility at the foot of the dormant Mauna Kea volcano are unparalleled as the location to get your life back into balance. Catch an incredible moonrise out on the lanai and soak in the night sky with the Milky Way so clear you could almost touch the stars. Earther Academy also has a spring-fed river with waterfalls that flows through the property all year long.

Remember, this is not just a health retreat, Earther Academy will save time for adventures and exploring during the re-feeding phase (weather permitting), and they have daily yoga, stretching, movement, and exercise classes. Imagine drinking Blue Green Algae while doing yoga and meditation on a beach in Hawaii.


During your stay, you will not only receive all of the nourishing herbal supplements that will detoxify your entire body, but it also includes all raw living food cuisine with instructional classes and local, organic, tropical green coconuts.

Earther Academy's water is the purest water you will ever have the chance to consume. They have specialized electrolysis machines for high pH water, six stage water filtration, and re-mineralization system on the whole house that goes through a custom crystal cartridge and an industrial water distiller for advancing your detoxification while at the academy.

The following dietary requirement(s) are served and/or catered for:

  • Raw food
If you have special dietary requirements it's a good idea to communicate it to the organiser when making a reservation

What's included

  • Daily yoga classes
  • 20 nights accommodation
  • All of the education workshops
  • All of the lectures and teachings
  • All of the detoxification therapies
  • All of the doctor visits
  • All of the nutrition for the refeeding
  • Airport pickups and departures
  • Full access to a custom-built distilled water steam room sauna, a brand new three-person FIR Wood Cedar sauna, and an infrared vita-mat.
  • Welcome gift package supplied by Earth Shift products that can include Lugol’s transdermal Iodine, tongue scraper, transdermal magnesium minerals, fulvic acid, and many other possibilities
  • Lifetime full access Earther member scholarship to the Earther Academy online school
  • Clinically supervised therapeutic water fasting with IAHP certified physician
  • Making your own skin cleaning solution and transdermal coconut oil/mineral solution and cacao butter
  • Making your own mouthwash
  • Making your own toothpaste
  • Making the scalp cleaning solution
  • How to make your own ferments
  • Thyroid protocols
  • Colon irrigation-enema protocols; dissolve, wash, and re-nutrify
  • Ear cleaning detox
  • Foot and hand soaking detox solution
  • Cranial facial release course with Sananga eye medicine therapy
  • Making yerba mate mineralized breakfast teas and smoothies
  • Cacao ceremonies - beginning and ending the 21 days
  • Weekly group Q&A sessions,lectures and workshops with Dr. Cassar and Dr. Tancheff
  • Water fasting education
  • Daily exercise, stretching, meditation and yoga workshops
  • Skin cleaning, detoxification and rejuvenation workshops
  • Multiple parasite detoxification therapies
  • 2 separate - lab testing-blood works and review with Dr. Tancheff
  • 1-hour complementary intensive massage
  • Far infrared sauna and Gua Sha skin scraping
  • Food re-introduction program

What's not included

  • Flights to Hilo International Airport (ITO)
  • Pickups and departures from Kona International Airport at Keāhole (KOA) (the other side of the island)
  • The laboratory fees for the weekly blood testing (very affordable fees through Earther Academy's account with the laboratory)

How to get there

Recommended Airports

Arrival by airplane

Please book your flight to arrive at Hilo International Airport (ITO). Transfer from and to the airport is included. Earther Academy will pick you up from the airport.

Airport: Hilo International Airport Airport transfer included: Hilo International Airport No additional charges. You can request this in the next step.

Cancellation Policy

  • A reservation requires a deposit of 100% of the total price.
  • The deposit is non-refundable, if the booking is cancelled.
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