Potassium, Germanium, and Rubidium

Mass spectrographic and isotope studies have shown that potassium, rubidium, and especially cesium are most efficiently taken up by cancer cells. Glucose can still enter the cell, but oxygen cannot. The cell thus becomes anaerobic. In the absence of oxygen, the glucose undergoes fermentation to lactic acid. The cell pH then drops to 7 and finally down to 6.5. cesium, rubidium and potassium, all having high pH values, are able to enter cells in this state and raise their pH.

Interest in the biological properties of rubidium and cesium stems form their close physiochemical relationship to potassium. Reference to the Periodic Table shows these elements to be adjacent members of the Group I alkaline metal series, which has the order: lithium, sodium, potassium, rubidium, cesium. Potassium, rubidium, and cesium display similar electrical, chemical, and physical properties. 

The physiological similarity between potassium…rubidium and cesium, was probably first noted by Ringer in 1882 when he observed that the action of rubidium on the contractions of the isolated frog heart was almost identical with that of potassium. The effects of cesium were like those of potassium in some aspects, but the similarity between rubidium and potassium was much closer.

It would thus appear that skeletal muscle of the rat accumulates these cations at equilibrium in a definite order of preference: cesium > rubidium > potassium.

Potassium and rubidium are often very nearly interchangeable, but cesium, although it resembles potassium more closely than sodium or lithium, is never a physiological substitute for potassium.

Although it is conceivable that different mechanisms are involved in the transport of each of these ions, the existence of a single process is strongly suggested not only by the close chemical similarity of the ions but also by the fact that each ion of the group appears to competitively inhibit the penetration of the other two into frog muscle.

Information Sources:
•  The High pH Therapy for Cancer Tests on Mice and Humans
•  The Physiological Behavior of Rubidium and Cesium in Relation to That of Potassium


Potassium is required by our body for smooth muscular and cellular functioning, cardiovascular functioning, muscle contraction, nerve transmission, for the conversion of glucose into glycogen. It is a natural diuretic as it helps in excreting excess amount of sodium from the body through urine. Potassium plays a very important role in maintaining fluid levels, electrolyte balance and pH level of the body. The most important functions of potassium in the human body are to keep blood pressure under control and help in intracellular nutrient transfer.

Potassium is vital for normal heartbeat. Heartbeat irregularities, along with muscle weakness and confusion, are among the classic signs of potassium deficiency. Low potassium or hypokalemia can turn out to be fatal at times, and therefore it is very important to monitor potassium levels in the body, and replenish it, if found to be deficient.

Both rubidium and cesium compete with potassium ions for entry into cells. People taking cesium and rubidium supplements must be sure to get plenty of potassium and regularly get their blood potassium levels checked.

Information Sources:
•  Potassium Deficiency: Effects of Low Potassium
•  Potassium Health Topic


Germanium does not directly attack cancer cells, but stimulates the body’s immune system, making it effective in the treatment of cancer as well as other degenerative diseases. A number of human cancer trials have been conducted with organic germanium. A summary of Phase I and Phase II human clinical trials reveals that orally administered organic germanium induces interferon production, restores previously impaired immune response, and has shown extremely low toxicity. Germanium facilitates the movement of oxygen across cellular membranes to deliver oxygen into the cells. Dr. Otto Warburg, Nobel prize-winning cancer researcher, discovered that cancer cells do not metabolize oxygen properly. Flooding cells with oxygen may retard the growth of cancer cells or even help return them to normal. A study published in the Journal of Interferon Research, concluded “…organic germanium restores the normal function of T-cells, B-lymphocytes, natural killer cell activity, and the numbers of antibody-forming cells…. Organic germanium has unique physiological activities without any significant side effects.”

Germanium sesquioxide, also called Ge-132, is a common dietary supplement that was popularized by the Japanese researcher Kazuhiko Asai, who operated the Organic Germanium Clinic in a suburb of Tokyo throughout the 1970’s. The biggest danger from germanium supplements reported in the literature is kidney damage, which is mostly attributed to contamination by germanium dioxide.

The low toxicity of pure germanium sesquioxide is well supported by both animal and human studies. Scientific data demonstrates a margin of safety difficult to surpass with both acute and chronic exposure through various routes of administration. LD50 is the “Lethal Dose” of any given material required to kill 50% of a given population. Published LD50 data for germanium sesquioxide is further evidence of its safety. The reported LD50 for germanium sesquioxide is in excess of 6,300 mg/kg orally for mice

The literature demonstrating its anticancer effect is particularly strong: germanium sesquioxide induces interferon-gamma (IFN-gamma), enhances natural killer cell activity, and inhibits tumor and metastatic growth–effects often detectable after a single oral dose. In addition, oral consumption of germanium sesquioxide is readily assimilated and rapidly cleared from the body without evidence of toxicity. 

Organic germanium has been found also to be a dramatic immuno-stimulant. In controlled studies it has demonstrated marked anti-tumor effects and interferon-inducing activity, and restored immune function in immune-depressed animals. Studies on immune-suppressed animals and on patients with malignancies or rheumatoid arthritis suggest that organic germanium restores the normal function of T lymphocytes, B lymphocytes, antibody-dependent immune cell-killing activity, natural killer cell activity, and numbers of antibody-forming cells, though not enhancing these beyond levels considered normal.

Information Sources:
•  The Health Benefits of Germanium
•  Germanium Sesquioxide Benefits for Cancer Patients
•  Germanium Sesquioxide
•  Germane Facts About Germanium Sesquioxide
•  Organic Germanium: A Novel Dramatic Immunostimulant


Rubidium is an alkaline trace mineral chemically related to cesium and potassium and is one on the minerals used in high pH therapy. 

Every cell in the body is like a little battery. In a cancerous cell, the charge (called cell voltage) drops. When the cell voltage gets too low, only 5 substances can pass in or out of the cell: water, sugar, potassium, cesium and rubidium. 

In studies with mice, rubidium has also helped decrease tumor growth, possibly by replacing potassium in cell transport mechanisms or by rubidium ions attaching to the cancer cell membranes.

Rubidium competes with potassium ions for entry into the body, also activates and mobilizes lithium. Very high rubidium partnered with low potassium can put muscles into a state of semi-paralysis. Rubidium will take the place of potassium in the sodium-potassium pump.

Rubidium, along with lithium, sodium, potassium, and cesium, is an alkali metal, named so because it forms a special solution called an alkaline solution (pH greater than 7) when mixed with water. 

Red blood cells of persons with cancer usually are “leaky”- the cell walls are more permeable – compared with red cells of healthy persons. Rubidium is one of the chemical elements that normally can move through red blood cell walls. The rubidium moves through the red cells about 20 times faster, and leaks out faster, in persons who have cancers.

Information Sources:
•  Killing Cancer Cells with High pH Therapy
•  Staying Healthy with Nutrition
•  Rubidium Health Topic
•  Penny’s Worth Of Rubidium Lifts Hope In Cancer Test
•  Breast Milk Concentration of Rubidium in Lactating Mothers

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