The Authentic, Original



The following formula is Rene Caisse’s Essiac formula and recipe which Rene's best friend, Mary McPherson, filed, under Oath, with the Town of Bracebridge in 1994.  This was also the same formula and recipe that Dr. Gary Glum published in 1988.  For further information on Rene Caisse plus important tips on how to brew your own Essiac tea read the article "THE TRUTH ABOUT ESSIAC:  Rene Caisse and Her Herbal Cancer Treatment, Essiac".


CLICK HERE to view a certified copy of Mary McPherson's affidavit with handwritten attachment.  This legally recorded affidavit is the only real proof of Rene Caisse's Essiac tea formula.  This affidavit is evidence which would hold up in a court of law because it is the only official evidence, under Oath, recorded for the public record in a government office, which gives the original, authentic Essiac formula and recipe.  Mary McPherson knew the Essiac formula because she was the only person (other than Rene herself) who was allowed to make Essiac tea to give to Rene's cancer patients.  This is the formula which helped so many cancer patients in Rene Caisse's clinic in Bracebridge, Ontario.  Rene Caisse did experiment with and use other herbal combinations throughout her life, but this is the final Essiac formula that she was using after so many years of research as evidenced by Mary McPherson's affidavit and other sources. 

IMPORTANT NOTE:  Notice that the "1 ounce of herb mixture" is not a weight measurement because it is measured with "a measuring cup" that measures fluid ounces, which is a volume measurement of water.  It is important to mention that Rene Caisse did not use a weight measurement when adding the herb mixture to boiling water.  She used volume measurement for the combined dried herbs with fluid ounce measurements.  This makes the recipe seem confusing unless one realizes that one cup of the dried herb mixture does not weigh as much as one cup of water (which weighs 8 ounces).  That is, one cup of "herb mixture" does not weigh 8 fluid ounces because the dried, powdered herbs are lighter than water. 

Rene Caisse did weigh the individual herbs before mixing them together.  That is, the "1 pound of sheep sorrel herbs", "1/4 pound of slippery elm bark" and "1 ounce of Turkish rhubarb root" are weight measurements.  6 1/2 cups of cut burdock root is, of course, a volume measurement and it is approximately equivalent to 24 ounces in weight when pieces are "the size of small peas".  [SECRETS OF RENE CAISSE'S PHARMACY, p. 14] 

It is also important to note that Rene Caisse used the whole sheep sorrel plant.  Nurse Caisse stated that sheep sorrel roots are "very essential" to the Essiac formula.

The formula below is a word-for-word transcription of Mary McPherson's affidavit:

6 ½ cups of burdock root (cut)*

1 pound of sheep sorrel herb   powdered

1/4 pound of slippery elm bark   powdered

1 ounce of Turkish rhubarb root    powdered


Mix these ingredients thoroughly and store in glass jar in dark dry cupboard.

Take a measuring cup, use 1 ounce of herb mixture to 32 ounces of water depending on the amount you want to make.

I use 1 cup of mixture to 8 x 32 = 256 ounces of water.  Boil hard for 10 minutes (covered) then turn off heat but leave sitting on warm plate over night (covered).

In the morning heat steaming hot and let settle a few minutes, then strain through fine strainer into hot sterilized bottles and sit to cool.  Store in dark cool cupboard.  Must be refrigerated when opened.  When near the last when its thick pour in a large jar and sit in frig overnight then pour off all you [can] without sediment.

This recipe must be followed exactly as written.

I use a granite preserving kettle (10 – 12 qts), 8 ounce measuring cup, small funnel and fine strainer to fill bottles.


CLICK HERE for a printer-friendly version of easy-to-follow directions to make Essiac tea.


*6 ½ cups of burdock root (cut) is equalivalent to 24 oz.


According to THE ESSIAC BOOK by Mali Klein (p. 29), the recipe can also be made in gram weight measurements as follows: 


120 g Burdock (chopped)

  80 g Sheep sorrel (powdered)

  20 g Slippery elm (powdered)

    5 g Turkey rhubarb

Use 15 g herb mix to 1.5 litres pure spring water

Boiling time: 10 minutes

Basic single daily does:  30 ml herbal tea diluted in either 30 ml or 60 ml hot water, taken at bedtime or when you get up.


CLICK HERE for Essiac FAQ and discover why sheep sorrel roots are a vital part of the Essiac formula.


CLICK HERE to view a copy of the Essiac formula that Mary McPherson gave to Barbara Kokotsis in the early 1980s.


CLICK HERE for the December 2012 interview with Barbara Kokotsis wherein she verifies sheep sorrel roots in the Essiac formula that Mary McPherson gave her in the early 1980s.


CLICK HERE for a testimonial that also verifies the above formula as Rene Caisse's authentic Essiac tea formula and recipe.


CLICK HERE to watch the "HOW TO MAKE ESSIAC TEA" video or click on the video below:




ESSIAC QUESTIONS?  Be sure to visit our ESSIAC BOOKS section to find reliable and well-documented information about Essiac tea. 






* CLICK HERE to find herbs to make Essiac Tea *


“Their fruit will serve for food and their leaves for healing.”  Ezekiel 47:12. 



“During times of universal deceit, telling the truth becomes an evolutionary act.”






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