The purpose of this site is to collect lab research by medical doctors about herbs that are proven to treat illnesses and counter the false attacks on herbs by the medical industry and false claims by alternative medicine. I let the science tell the facts.
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Alkali Date Written 2007
Author Joe Holmes Date Revised  


Summary: Preliminary conclusion is that alkali can kill most bacteria but not all. Further study is needed to determine it it kills good bacteria and other questions.

  • Acidic has a pH below 7 and alkali above 7.
  • Optimum pH is 7.4 and is manifested when urine is clear.
  • High acidic causes pain and is manifested when urine is dark.
  • A high acidic concentration is produced by the body to digest excessive protein.
  • A high alkali level neutralizes acid.
  • Too much alkali can cause problems such as Milk-Alkali Syndrome.

Acid, Alkali and pH "...pH is the measure of the hydrogen ion concentration in a solution. A pH of 1 is a strong acid with many hydrogen ions. A pH of 14 has few hydrogen ions and is a strong alkali. A ph of 7 is a neutral solution. Acids such as citric acid or ethanoic acid (vinegar) are weak acids. Although molecules of these acids still contain positive hydrogen ions, they do not separate completely in water. Substances that can neutralise acids are called bases. If a base will also dissolve in water it is called an alkali. Alkalis such as sodium hydroxide and potassium hydroxide are strong alkalis. A molecule of sodium hydroxide consists of one positive sodium ion and one negative hydroxide ion (OH-). In water the ions separate completely. Alkalis such as sodium hydrogencarbonate (bicarbonate of soda) and ammonium hydroxide are weak alkalis. The hydroxide ions do not separate completely in water. Calcium carbonate is a base. It is not soluble in water, but will react to neutralise an acid and to release carbon dioxide gas. Blood, lymph and the fluids that bathe our cells must stay within a very narrow pH. Any tendency to change has to be counteracted straight away. The body produces substances called buffers, which react with any acid or alkali to maintain a constant pH. The most important buffer is sodium hydrogencarbonate. The mineral ions of sodium, calcium and potassium used to be called the 'alkaline earth elements' because they form the positive ions of strong alkalis. If food containing these elements is burnt in oxygen and the ash dissolved in water, an alkali is obtained...Protein in the diet which is not needed for growth or repair of tissue has to be destroyed. The amino acids are converted into urea and uric acid which have to pass into the bloodstream to be eliminated by the kidney. A high protein diet results in the production of excess acid which can put the acid / alkali balance under strain, as well as causing problems for the kidney which has to eliminate the acid." (1)

" Understanding pH does not require a chemical engineering degree. Simply put, pH is a measurement of acidity (low pH) and causticity or alkali (high pH). A body of water considered to be pH balanced will have a pH of 7.0, lower than 7.0 means the water is acetic (acid) and higher means the water is caustic (alkali)." (2)

Milk-Alkali Syndrome is a condition of high levels of calcium (hypercalcemia) with a high acid/base
pH above 7. Caused by excessive consumption of milk (which is high in calcium) and soluble alkali-like antacids, especially sodium bicarbonate (baking soda) over a prolonged period of time. This can cause calcium deposits in the kidneys and other tissues. This condition is exacerbated by the consumption of Vitamin D. Milk-alkali syndrome is often a side effect of treating a peptic ulcer. Nausea, headache, weakness, confusion, and kidney damage may result." (3)

Dr. Batmanghelidj's view on Alkali and pain: "A pH level at 7.4 is optimum. A high acid level results in damaged nerve endings (internal acid burns) thus pain. If pain is the result of too much acid it can often be relieved with one or two glasses of water. If urine is dark it is a sign of too much acid. Urine should be clear and when it is clear it is a sign of optimum pH level on the alkali side. This is taken from a summary of pages 92-94 of "You Are Not Sick, You Are Thirsty". (4)

A highly acidic urine pH occurs in A highly alkaline urine occurs in:
Uncontrolled diabetes
Starvation and dehydration
Respiratory diseases in which carbon dioxide retention occurs and acidosis develops
Urinary tract obstruction
Pyloric obstruction
Salicylate intoxication
Renal tubular acidosis
Chronic renal failure
Respiratory diseases that involve hyperventilation (blowing off carbon dioxide and the development of alkalosis)
In people who are not vegetarians, the pH of urine tends to be acidic. A diet rich in citrus fruits, legumes, and vegetables raises the pH and produces urine that is more alkaline. Most of the bacteria responsible for urinary tract infections make the urine more alkaline because the bacteria split urea into ammonia and other alkaline waste products. The urine pH varies in different types of acidosis and alkalosis. Control of pH is important in the management of several diseases, including bacteriuria, renal calculi, and drug therapy. (5)

Does Alkali kill bacteria? "Certain species are able to withstand fierce radiation, flourish in boiling water, survive at sub-zero temperatures, multiply in acid or alkali, and eat concrete." (6)

Teeth alkaline resistant: "A study of extracted root canal teeth was conducted and found that out of 37 samples from 37 different people 25 were alkalin resistant. "The present study showed that many bacterial species in infected root canal dentin were alkali-resistant at pH 9.0 and/or pH 10.0, and belonged mainly to the genus Enterococcus", (7)

Water treatment uses alkali: "Water Treatment poetical includes specific alkali chemicals to kill bacteria." (8)

(1) source
(3) Source
(4) See his web site  -  See our page on water
(4) Source
(5) Source
(6) See source article in the Guardian - Another source   See Melissa Kaplin's report on this item
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(8) Source




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