- Penta Water
Penta Water (sometimes called "AquaRx Water") is a commercially sold brand of
bottled waterthat is claimed by its manufacturer to be structurally different from 'normal' water. It is advertised as the 'ultimate bottled water' on Penta's official website. [ [http://www.pentawater.com/index.php Penta Water - Taste and Feel the Difference! ] ] It is manufactured and distributed by sister companies Bio Hydration Research Lab and AquaPhotonics. Penta's name derives from its association with supposed five-molecule clusters of water.
In particular, Bio Hydration Research Labs states that their 'Penta process' of subjecting water to high energy sound waves, creating
sonoluminescence, reduces the average size of the water clusters present in liquid water. [ [http://www.pentawater.com/process.shtml Bottled Water ] ] [http://www.aquaphotonics.com/about.htm] This supposedly makes it easier for water molecules to pass through cell membranes. It is further claimed that water so treated improves the 'survivability' of cells. In 2003, Penta became the best selling bottled water in American health food stores. [http://emailwire.com/news/foo3406.shtml]
The various claims made by Penta are classed as
pseudoscienceby scientists, [ [http://www.chem1.com/CQ/clusqk.html Structured Water Pseudoscience and Quackery ] ] as they have never been scientifically established, and contradict laws of nature. Penta has commissioned studies which they claim validate a few of their claims, but none of these studies was published in mainstream peer-reviewed scientific literature. These studies also suffer from major experimental design flaws.
physical chemistry, the commonly used (non-trademarked) term for a cluster of five water molecules is the " water pentamer".
Claims made by Penta
This is a list of past specific claims for Penta found on websites once maintained and owned by Penta/Bio Hydration Research Labs/Aquaphotonics and targeting the U.S. market. Current claims are solely for "higher purity".
*Penta Water contains water clusters of fewer molecules than normal water. [http://web.archive.org/web/20040214184031/http://www.teampenta.co.uk/whatisit.html Penta for better hydration. Better hydration for better living.] from web.archive.org]
*Penta Water has a 30% reduction in cluster size. *
*Penta Water enters cells 14% faster than normal water. *
*Cells cultured in Penta Water survive 266% longer than in normal water. [http://web.archive.org/web/20040214171832/www.teampenta.co.uk/intro/penta.html British Triathlon Association Introduction to Penta Feature ] ]
*Cells cultured in Penta Water have a 3× decrease in acidity compared to cells cultured in distilled water.
*Athletic performance measurably improves after consumption of Penta Water. [http://web.archive.org/web/20040214171832/www.teampenta.co.uk/intro/penta.html British Triathlon Association Introduction to Penta Feature ] ]
*Penta Water has a higher boiling point than normal water and this is not due to dissolved impurities. *
*Penta is easier to drink than normal water. [http://web.archive.org/web/20031124080846/http://www.pentawater.co.uk/ the ultimate in hydration for your body ] ]
*Penta aids in weight loss. *
*Penta is the purest bottled water on the market. [http://www.pentawater.com/what.shtml Penta Water - Taste and Feel the Difference! ] ]
*In vitro, Penta dissolves
kidney stonesfaster than lab water.
*DNA mutation is 271% greater in distilled water than in Penta Water.*
*Penta is 16.7× faster water. *
*"..healthier skin, hair, and joints; stronger immune system; faster recovery from surgery or physical activity; and reduced hypertension and cholesterol." Bill Holloway, Penta CEO. [http://www.pentawater.com/news.shtml Bottled Water ] ]
*Increased energy and mental alertness.
*Helps houseplants grow. *
*Penta has helped clear up skin problems. *
*Protein crystals grown in Penta have a different structure. [http://www.bhrlab.com/recentNews.html]
*Featured testimonial on Penta website claims Penta can help with
fibromyalgia, lupus, arthritis, or chronic fatigue syndrome. [ [http://www.pentawater.com/pp_diamond.shtml Bottled Water ] ]
*Featured testimonial on Penta website claims Penta can help with
diabetes. [ [http://www.pentawater.com/pp_tGaines.shtml Bottled Water ] ]
*Penta acts like an energy drink. *
*It has helped to reduce the side effects of chemotherapy treatment for
*Adding Penta to
Pap smeartest samples increases the accuracy of cervical cancerscreenings. [http://www.aquaphotonics.com/products.htm#beverage]
free radicals. [ [http://www.aquaphotonics.com/index.html aquaphotonics ] ]
*Enhances absorption of moisturiser cream onto skin. *
All of the entries marked by an asterisk (*) were found on the UK Penta web pages which have now been taken offline due to Penta being forced to cease trading in Britain. Many of these specific claims are criticized on a
skeptic's website. [ [http://www.chem1.com/CQ/pentabunk.html Penta Water pseudoscience ] ] The claims have also been discussed in a commentary by James Randi[ [http://www.randi.org/jr/042905some.html#10 Commentary, April 29, 2005, Some Rare Common Sense, Seems Fair to Me, Correction, Quackery Brought to Account — A Followup, More Ghostly Baby Monitors, Informative Web Site, Swingin' North Korea, Speaking From Experience, This Should Work, Still More Stupid Penta Claims, A Good Example to Follow, Woo-Woo at the NIH, Ramtha Raves, Good UFO Article, Hilarious Blooper From Spain, and In Conclusion ] ] and in Ben Goldacre's "Bad Science" column in " The Guardian".
Reliability of claims
The Penta Water website claims Fact|date=January 2008 that a paper has appeared in a peer-reviewed journal validating one of their claims that Penta Water contains smaller clusters (30% smaller) than 'normal' bulk liquid water: "Study of cluster molecular structures in various types of liquid water by using spontaneous Raman Spectroscopy", A. F. Bunkin, A. A. Nyrmatov, and S. M. Pershin, Physics of Vibrations, Volume 10 Number 2, 2002. Physics of Vibrations changed its name to Physics of Wave Phenomena in 2003 and is a Russian physics journal published by Allerton Press [http://www.allertonpress.com] . The paper in question discusses differences in the Raman Spectra between Penta water and normal lab water. There is no discussion of any possible health benefits.
At the time of writing (March 2005), there are no peer-reviewed papers in the scientific literature showing any health benefits of Penta water. In fact, the Penta Water web site makes several claims from studies that "are pending publication". Other such claims, from other "pending publications" have disappeared from their site.
The claim that smaller water clusters are present in Penta Water appears to mean that there are fewer molecules in each cluster, not that the actual physical size of a particular molecule is smaller. No explanation has been given for a proposed mechanism that creates these smaller clusters. Apart from the aforementioned interpretation of Raman Spectra results, there is no published evidence showing a reduction in the average number of monomers per cluster. In any case, claims for smaller clusters seem to be irrelevant to Penta's claim for 'better hydration', because water molecules only enter through
aquaporincell-membrane channels one at a time. This point was made by Oxford Universityprofessor Robert Williams in an article by Mark Henderson in " The Times" on 7th February 2004)
Bob Williams, Emeritus Professor in Oxford University's Inorganic Chemistry department, said: "There is no need to worry about clusters, as the cell channels allow molecules in only one at a time. I would expect this process to have absolutely no effect. There is a danger that people are being duped into buying something that has no value."Fact|date=January 2008
There has been no replication of these results or further evidence published in peer-reviewed scientific journals to support the claims of Penta/Bio Hydration Research Labs. Also, there is no known mechanism by which normal liquid water can be 'restructured'.
If Penta's claims were found to be true, then noted skeptic
James Randihas stated that they would be eligible for the Randi Prizeof one million dollars for "anyone who is able to show evidence of any paranormal, supernatural, or occult power or event under test conditions agreed to by both parties". [http://www.randi.org/jr/08-24-01.html Commentary, August 24, 2001 — A Classic Case of Challenge, Acceptance, Stalling, Misrepresentation, and a Final Retreat ] ] In July 2001, Penta agreed to submit to the Randi Prize, but later withdrew. In April 2005, Mark Fairhead, director of Penta UK wrote that they were considering re-applying.
:"Who knows, perhaps we're edging closer to taking James' challenge up!" [ [http://www.randi.org/jr/040105capitalizing.html Commentary, April 1, 2005, Capitalizing on Tragedy, Scientific Integrity Demonstrated, Kreskin Is Not a Breakfast Cereal, Ghost Story, Perceptions Revisited, A Silent Red Elk, An Interesting Phenomenon, Volunteer Call, Seeing Beauty In the Real World, Is Penta Water Finally Ready?, and Annual Pigasus Awards Announced ] ]
In 2001, the James Randi Educational Foundation offered to arrange for independent tests of Penta's claims with protocols to be agreed upon by the foundation and Penta. It is a matter of record that Penta have yet to accept the challenge.
It is important to note that the study of water clusters is real science. There is much spectroscopic evidence to show beyond the doubt of most physical chemists that water clusters exist under appropriate (gas-phase) conditions (see for example [http://www.psc.edu/science/Jordan/Jordan.html] , [http://pubs.acs.org/cen/news/8218/8218notw10.html] ). Furthermore, there are many scientific papers published in major peer-reviewed journals, hypothesizing that bulk-liquid water can be thought of as conglomerates of macroscopic numbers of 'flickering' water clusters. However, there is not evidence yet of 'restructuring' on time-scales greater than tiny fractions of a second.
On the Penta Water links page [http://www.pentawater.com/links.shtml] was included a link to a Cambridge University science group under the heading of "partnerships". In fact, this is false and the Cambridge science group has no association with Penta [http://www.guardian.co.uk/life/badscience/story/0,12980,1398872,00.html] . There was also a similar link to
Johns Hopkins University. Again, there is no evidence of a partnership between Penta and Johns Hopkins. (Note, as of March 23rd 2005 these links have been removed from their website, though it is still possible to view an [http://web.archive.org/web/20040202185253/pentawater.com/links.shtml archived copy] of the links page.) Up until Penta UK ceased trading, the now offline British Penta webpages [http://web.archive.org/web/20041111035253/http://www.teampenta.co.uk/research.html] continued to link to a Cambridge water-cluster science page even though the page in question carries the clear and prominent disclaimer:
"PLEASE NOTE THAT LINKS FROM ANY COMMERCIAL ORGANISATIONS TO THIS SITE ARE ENTIRELY UNAUTHORISED AND UNWELCOME. THE MAINTAINERS OF THIS SITE HAVE NO CONNECTIONS WITH ANY SUCH COMPANIES OR THEIR PRODUCTS." [http://www-wales.ch.cam.ac.uk/CCD.html]
Penta sister company AquaPhotonics claimed in a May 2005 Press release that Dr. Nikolai Tankovich, CEO of AquaPhotonics, had "joined the Scientific Advisory Board of
Procter & Gamble". A reader of the James Randi webpage attempted to verify the accuracy of the press release with Procter & Gamble. A Procter & Gamble spokesperson replied:
"We are unaware of any advisory board Dr. Nikolai Tankovich is on with P&G" [http://www.randi.org/jr/060305be.html#12]
A few days later the press release was removed by AquaPhotonics from their news page. [http://www.aquaphotonics.com/cnews.htm] .
Penta has provided £15,000 in research funding to the British
Brunel Universityin 2003 for a research study "The ergogenic effects of Penta Water" [http://www.brunel.ac.uk/about/acad/sse/sseres/sseresearchfunding/] . Dr. Andy Sparks and Prof. Don MacLaren from the "Research Institute for Sport and Exercise Sciences" in Liverpool John Moores Universityhave also carried out research for Penta. (Their unpublished paper, "Simulated soccer study" is available from the AquaPhotonics website. [http://www.aquaphotonics.com/penta.htm] )
Response to criticism
In response to critical articles written by the British Guardian journalist,
Ben Goldacre, in his "Bad Science" column, a Penta employee sent Goldacre the text message:
:"Goldmember I do hope you are a better physician than you are a journalist when we publish you will of course be informed out of the decency/courtesy you didn't show to us! Sleep well tonight and think about how and why you tried to fuck us over and practice keeping one eye open." [http://www.guardian.co.uk/life/badscience/story/0,12980,1403982,00.html]
An apology, on behalf of Penta, from publicist
Max Cliffordfollowed. Goldacre contacted the British police in response to the threat.
In correspondence with
James Randi[http://www.randi.org/jr/08-31-01.html] , Penta CEO Bill Holloway wrote the following in response to Randi's request for Penta to follow their agreed upon protocol for application of the Randi Prize
:"You live on other peoples [sic] money while claming [sic] to fight injustice. Injustice is to make libelous charges without any investigation on your part. Our product is real do your own testing before you shoot off your big mouth. Why don't you get a real job and contribute to society instead of leaching [sic] off of others. Please do not bother me anymore."
The (now defunct) official British Penta website [http://www.teampenta.co.uk/] had a page devoted to critical articles in the press in which they nominated newspapers and other news organizations for their 'Dunce Awards'. On this page, they respond to criticism with the following:
:"NB - whoever debunks the fact that Penta Water IS different, is merely not up to date with the latest science. And that's not surprising - few people read every scientific journal and many people fall back on their existing knowledge about science rather than consider the possibility that just because they don't know about it, doesn't necessarily mean it's 'rubbish'"
On this page Penta also states
:"We DO create water with smaller average cluster sizes, and in 2004, we will have new studies proving the benefits drinking Penta has on the human body. These are happening right now, in prestigious UK universities - re-visit this site regularly to read the latest updates."
At the time of writing (2005) these studies have not been published in peer reviewed journals, though the British Penta website did post quotes from researchers in two British sports research groups making the unsubstantiated claim that the studies were successful at demonstrating a performance improvement for athletes using Penta [http://www.teampenta.co.uk/popup/NewUKScience.html] . Details of these studies were scheduled to appear at the end of February 2005, but as of June 2006, they still have yet to appear.
No longer sold in the United Kingdom
In March 2005 the British
Advertising Standards Authority(ASA) ruled [http://www.asa.org.uk/asa/adjudications/Adjudication+Details.htm?adjudication_id=39409] on the accuracy of a Penta Water leaflet. Among their findings the ASA wrote that
:"The Authority took expert advice and understood that the scientific evidence submitted did not prove that Penta had health benefits over and above those of ordinary water or had been restructured to form stable smaller clusters. It also understood that hydrogen-bonds in ordinary water were a weak type of chemical bonding that allowed the formation and reformation of temporary clusters of water molecules in liquid phase water many times per second. The Authority concluded that the information submitted was not sufficient to prove Penta water had health benefits over and above those of ordinary water or was structured differently from ordinary water."
As a result of these findings, the ASA ruled that
:"The Authority told the advertisers not to repeat claims that implied the product was chemically unique, had been restructured or molecularly redesigned, or hydrated cells and improved physical performance better than tap water."
The ASA is a regulatory authority set up as an independent body by the British advertising industry. It does not have any statutory power, but it is usually able to enforce correct observance of advertising codes in Britain.
Penta has now been forced to cease trading in the
United Kingdom. It was reported in a commentary by James Randi that
:…the Surrey Trading Standards Authority sent Mark Fairhead and Debbie Flint, Directors of Govannon Ltd a final ruling from the Food Standards Agency (FSA) stating that Penta contravenes the UK Bottled Water Regulations 1999 and should therefore cease to be sold. As a result, Penta USA confirmed they would no longer send shipments of Penta Water to the UK. [http://www.randi.org/jr/082605charles.html]
The British Penta distributors have also apparently closed their Team Penta website, though they have left the message that
:'the Agency's (FSA's) view is that Penta water as currently formulated does not comply with the relevant bottled water legislation in the UK' [http://www.teampenta.co.uk/popup/PentaUKGovannonLtd.html]
The Guardian's Bad Science column has also covered this event [http://www.guardian.co.uk/life/badscience/story/0,12980,1559742,00.html] .
Criticism of specific claims
It is often mentioned that Penta has a higher boiling point than liquid water. This claim appears to be based on a research report paid for by Penta on "Measurements of the Boiling Temperature of Penta Water". In the study, which was not
double blinded, the researchers found a 0.043 °C increase in the boiling temperature of the Penta Water samples (relative to deionized water) and wrote
:"The two waters are thus not identical in their boiling point. It is not possible from this single experiment to understand just why this is. One possibility that still needs to be examined is that the increase in boiling point of the Penta water (relative to that of the Type I reagent grade water) is simply due to the presence of dissolved impurities."
In this study, neither water was found to have exactly the expected boiling point of 100 °C, which the researchers attributed to a probable error in the calibration of the thermometer. Thus, the experiment was only able to measure the "relative" boiling points of the two waters.
The study was further discussed in an article in
The Guardian"Bad Science" column [http://www.guardian.co.uk/life/badscience/story/0,12980,1444040,00.html] . One specific criticism of the experiment was that the quoted boiling temperature of the Penta sample appeared - contrary to thermodynamics- to be greater than that of the water jacketheating it. Another was that the thermometer resolution was very likely insufficient to resolve the claimed 0.043 °C temperature difference, but this point has been disputed. According to its makers [http://www.hartscientific.com/products/thermometers.htm] , the Hart 1504 used has an accuracy of ±0.003 °C (at 0-25 °C); the accuracy of ±0.02 °C. quoted by The Guardianmay refer to the Hart 1502 or may be using the charted accuracy at 100°C as listed on the chart [http://www.hartscientific.com/products/tweeners.htm here] .
Note that similar claims of a raised boiling point have also been made for the now discredited
polywater, which was investigated in the 1960s and was also proposed to be a new structure of water. In the case of polywater, the elevated boiling point was eventually shown to be a result of dissolved impurities.
The consensus in mainstream science (arrived at through numerous experiments and accumulated knowledge) is that water does not have a structural memory of the sort claimed by Penta or in
homeopathy. Even if smaller-than-average clusters are being formed by sound waves in the so-called "Penta-process", these structures would almost instantly disappear once the waves are stopped [http://www.randi.org/jr/032505really.html] .
It is worth noting that the picture of five water molecules on every Penta Water bottle label does not represent a low-energy structure of the water pentamer since none of the waters are forming
hydrogen bonds. If molecules were placed in this geometry they would quickly repel each other (whilst quickly reorienting) due to the mutual electrostatic repulsion of the negatively charged oxygens. However this structure might occur around a positively charged ionsuch as Na+. The accepted [http://brian.ch.cam.ac.uk/~wales/CCD/TIP4P-water.html] lowest energy " global minimum" structure for five water molecules is shown in the accompanying figure. Note that this structure contains five hydrogen bonds (dashed red lines), whilst the Pentamer logo on the Penta bottle contains no hydrogen bonds.
Supporters of Penta have claimed that the structure depicted on the Penta water labels should be regarded as only a convenient logo and not a scientific claim. If this distinction exists, it is not made clear on the label. However, there are many examples of non-scientific depictions of molecules on the labels of a variety of household products.
It is difficult to determine whether Penta is consistently claiming that their product offers improved hydration.
In the past, the official Penta website made specific claims on its "What makes Penta unique?" page, section heading "Proven More Effective Hydration", that the altered structure speeded cell hydration via aquaporin transport. For instance, the page for Jun 04 2003 [http://web.archive.org/web/20030604074537/http://pentawater.com/what.shtml] features a diagram showing stylised pentamers entering a cell and states
:"Penta’s small clusters of H2O molecules have been "proven by scientists at major universities" to be able to more effectively hydrate cells, which is why so many people report that Penta helps them feel great!"
Currently on the same page, this is apparently contradicted by the text
:"Please note that having smaller molecular clusters is scientific proof of our restructured water, and may NOT contribute to faster hydration.
:"Cells have two ways of hydrating. First, cells become hydrated when water molecules pass through a tiny channel called aquaporin protein channels. These channels only allow one molecule to pass at a time, therefore, as far as we know, the cluster size doesn't have any direct correlation to improved hydration."
Confusingly, the (now defunct) equivalent page of the British Penta website features the diagram and the earlier more explicit claims
:"High energy sound waves are used to restructure the molecules in Penta water into small, stable clusters. These small clusters are able to more effectively enter your cells."
It is unclear as to why water more easily penetrating cell membranes is nessesarily a good thing. Cells maintain themselves in a careful
homeostasis. Water that behaved in the way claimed of penta-water would probably be poisonous, rather than healthful.
* [http://www.bhrlab.com/ Bio Hydration Research Labs] manufactures Penta water. They are located in
Carlsbad California. The CEOis Bill Holloway. G. R. Holloway, wife of Bill Holloway is the President and co-founder. Their son, Michael Holloway is also a co-founder and sits on the board of directors. Others on the board include Dr Nikolai I. Tankovich and David Cheatham. [http://www.pentawater.com/bios.shtml]
* [http://www.aquaphotonics.com/ AquaPhotonics] is a
biotechnologycompany in Carlsbad Californiathat makes extensive use of Penta in their products and appears to be a sister company to Bio Hydration Research Labs. Dr Nikolai I. Tankovich is the CEO and David Cheatham is the president. Bill Holloway, G. R. Holloway and Tommy Thompson(who was the Secretary for Health and Human Services for President George W. Bush) sit on the board of directors.
* [http://www.diamics.com/ Diamics] is a company dealing in medical diagnostics technology that has distribution rights for AquaRX (or Penta) water in diagnostic markets, claiming that its properties give cell samples "longer shelf life, better maintenance of cellular structure and improved performance in molecular assays". [http://www.diamics.com/services.html]
Penta Water has received positive publicity from compukiss.com. ( [http://www.compukiss.com/populartopics/healthhtm/article878.htm] ). There are also testimonials from the public and endorsements from celebrities such as Sting, Olympic contestants, Olympic medalists and
Farrah Fawcetton Pentawater's website. ( [http://www.pentawater.com/team.shtml] , [http://www.pentawater.com/team.shtml] ) There are no independent verifications of these endorsements.
Donald MacLaren, in the physiology department of
Liverpool John Moores Universityin Britain is doing research for Penta and was quoted on their now defunct website as stating
:"Having looked at Penta from a sceptical point of view, our studies show that Penta has an effective hydration effect compared to bottled mineral water."Fact|date=January 2008
These studies have yet to be published in a peer-reviewed academic journal.
Jorge Cruise, author of "The 3-Hour Diet" has recommended Penta water as "one of the keys to weight loss" [http://www.pentawater.com/news.shtml#040105] , even though there have been no peer-reviewed studies in any academic journal that show this.
;Official Penta sites
* [http://www.pentawater.com/index.php Official Penta Water website]
* [http://www.bhrlab.com Official Bio Hydration Research Lab website] (Access to this site is now blocked)
* [http://www.aquaphotonics.com/index.html Official AquaPhotonics website]
* [http://www.pentawaterchina.com/ Penta Water China/Hong Kong]
;Sites critical of Penta Water
* [http://www.randi.org/jr/032803.html James Randi discussion of clustered water]
* [http://www.randi.org/jr/08-24-01.html James Randi discussion of Penta Water (part 1)]
* [http://www.randi.org/jr/08-31-01.html James Randi discussion of Penta Water (part 2)]
* [http://www.randi.org/jr/040105capitalizing.html James Randi: Penta may reapply for the Randi Prize]
* [http://www.guardian.co.uk/life/badscience/story/0,12980,1398872,00.html Guardian article critical of Penta Water]
* [http://www.guardian.co.uk/life/badscience/story/0,12980,1409016,00.html Another Guardian article critical of Penta Water]
* [http://www.guardian.co.uk/life/badscience/story/0,12980,1433653,00.html Guardian article discussing Advertising Standards Authority adjudication on Penta water]
* [http://www.guardian.co.uk/life/badscience/story/0,12980,1444040,00.html Guardian article discussing problems with boiling point of Penta experiment]
* [http://www.timesonline.co.uk/article/0,,8126-1056857,00.html Article in The Times critical of Penta and other bottled waters]
* [http://www.chem1.com/CQ/clusqk.html Page discussing water cluster pseudoscience]
* [http://www.chem1.com/CQ/pentabunk.html Page discussing 'Penta Water Pseudoscience']
* [http://www.asa.org.uk/asa/adjudications/non_broadcast/Adjudication+Details.htm?Adjudication_id=39409 British Advertising Standards Authority adjudication upholding complaint against Penta's advertising]
;Sites favorable to Penta Water
* [http://www.nctimes.com/articles/2004/11/14/business/news/15_22_0211_13_04.txt Article appearing in North County Times of San Diego]
* [http://www.myearthlygoods.com/articles/penta_water.htm Earthly Goods Health Foods review of Penta]
Wikimedia Foundation. 2010.
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