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11 Quick Facts about Phosphoric Acid (Yes, that Chemical in Coca Cola)

109 Replies

 

1. Phosphoric acid is a clear, colorless, odorless liquid with a syrupy consistency.

2. Phosphoric acid is used as an acidifying agent to give colas their tangy flavor.

3. Due to the use of phosphoric acid, cola is a actually more acid than lemon juice or vinegar. The vast amount of sugar acts to mask and balance the acidity.

4. Phosphoric acid also goes by E338, orthophosphoric acid, and phosphoric(V) acid.

5. Food-grade phosphoric acid is a mass-produced chemical, available cheaply and in large quantities.

6. Phosphoric acid is commonly used for rust removal.

7. Phosphorus-containing substances occur naturally (0.1%-0.5%) in foods such as milk, meat, poultry, fish, nuts, and egg yolks.

8. Phosphoric acid has been linked to lower bone density in some epidemiological studies, including a discussion in the American Journal of Clinical Nutrition.

9. Opposing studies showed the opposite – that *low* intake of phosphorus leads to lower bone density. Guess who funded the studies? PepsiCo.

10. Aside from the risk of osteoporosis, Cola consumption has also been linked to chronic kidney disease and kidney stones.

11. According to the Center for Science in the Public Interest (CSPI), a consumer watchdog group not affiliated with the food industry, only a small fraction of the phosphate in the American diet comes from additives in soft drinks. Most comes from meat and dairy products. So your reason for not drinking Coke should be its sugar content and artificial food colorings, not the phosphoric acid.

…

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  • OrganicGeorge

    I once had a summer job at a phosphate chemical plant in Florida. Nastiest job I ever had, but I could get all the overtime I wanted and the pay was great. Being broke, and 18 I ignored the fact that exposure to all the chemicals and radio-active phosphate rock, maybe it had something to do with getting cancer in my 50′s.

    So first you strip mine the earth for the raw phosphate rock; using tons of water from big wells sunk deep into the Florida aquifer, then you expose workers to radio active dust, it called brown lung in Florida, the flare off the excess sulfuric acid into the atmosphere; this is why car paint does not last in central Florida, and all the energy needed to run the chemical plants are supplied by coal fired electric plants that spews acid rain heavy metals into the air.

    Any way you take radio-active phosphate rock, grind it into powder the mix it with pure sulfuric acid then evaporate the excess acid off in an evaporator, you are left with phosphoric acid and lots of pure phosphate to sell to the middle east. What you say, why so much phosphate to the middle east. Well you mix the phosphate with another Ag chemical, urea, and Voila, you have a bomb.

    I don’t drink anything with phosphoric acid for my personal health and the health of the planet.

    • AspartameIsGood

      Your lying!

      • Fygbf

        Grow up you troll

      • Jason_SunWuKong

        *You’re*

    • Shoe

      idiot lawn fertilizer you idiot , again kick drug dealers in head medicinal marijuana

  • Chemist

    OrganicGeorge, phosphoric acid and urea does not amount to something even close to a bomb.. Also, phosphorite, the mineral rock containing 20% phosphate is not radioactive. At least get an education before you preach bullshit.

    • Pineapplepie

      Maybe he is talking about the *radioactive uranium that is found in the same locations as phosphate.

    • Westk

      Never mind it’s not my job to educate the world. I think I’ll just go back to living my life now. Good luck.

  • http://www1.fipr.state.fl.us/PhosphatePrimer/0/AF78BD06086A22F385256F88007CD94D Truth

    I would like to point out that the chemist comes at this from a perspective of a chemist rather than that of a geologist…. Florida’s phosphate deposits have naturally high amounts of trace uranium present.

  • youssef

    I m’ suprised that people still do not make difference between phosphate, phosphoric acid and phosphorus !!
    Coke and soda drink contient phosphoric acid!! that will harm your digestif tract !

  • ha

    @youssef
    you’ve never won a spelling bee have you?

  • http://fooducate bla

    very helpful

  • http://fooducate.com bla

    this sucks nuts

  • calvin crabtree

    DID YOU ALL KNOW THAT THEY PUT THIS STUFF IN THE LISTAREN TOOTH PASTE?

  • calvin crabtree

    *LISTERINE

  • Itsme

    I think the time in the phosphate plant probably fried your brain.

    None of the stuff that you say about how the Phosphates were extracted has anything to do with soft drinks. The reason that any chemical is extracted and purified is to leave the nasty stuff behind and obtain only the pure chemical. Most everything we use comes from the ground in an impure state, and the impurities have to be removed. That is the process in which you were involved, but it has nothing to do with the purity of the finished chemical. In debate we call this a red-herring.

    And as far as the use of phosphates, by far their number one use is as fertilizers. Of course someone can make a bomb from them, as in Oklahoma City, but for you to imply that the Middle East purchases phosphates primarily for this usage is only because you want to stir up trouble. You know it’s not true.

    @OrganicGeorge

  • rusty

    @OrganicGeorge
    you should sell phosphate to the americans too, they bomb loads of people too

  • Eatz

    12. Phosphoric acid was the foundation of the soft-drink industry, long before Coca-Cola’s popularity. For about 100 years, US soft drinks were commonly made to order for customers at neighborhood “soda fountains,” often inside pharmacies, using flavored syrups and carbonated water or (for “health nuts”) mineral waters, dispensed from equipment behind the counter. “Phosphates” were soft drinks with phosphoric acid to make them tangy. (I have late-1800s and early-1900s books with recipes for this purpose.) These common institutions vanished around the 1960s but I’m old enough to remember them, and to’ve ordered “cherry phosphates” (cherry syrup as for sundaes, with carbonated water and a dash of phosphoric acid for tartness). “Celery phosphate” is traditionally sold as a syrup for home use. I believe phosphoric acid was preferred as a tartness ingredient over common alternatives (citric or tartaric acid or “cream of tartar”) because it’s both stable in solution and a source of dietary phosphorous, a vital mineral.

    13. Many US consumers now drink sweetened soft drinks daily (perhaps unaware that it’s a peculiar regional custom, absent from many industrialized countries). Vast unquestioned sweet-drink consumption is an important part of the huge US average sugar intake, well correlated with _major_ epidemics like obesity and diabetes.

    Why is this context omitted from the “quick facts about phosphoric acid?” Why (other than to create anxieties and attract readers) do pundits trumpet peripheral points like the specific tartness agent, or specific sugar, in soft drinks, thus distracting from the central problem, the 140 pounds of sugar (all kinds) voluntarily consumed annually? What minor ingredient will be the NEXT irrelevant food-anxiety fad, clouding the picture further?

    • AsphartameisGood

      Your an idiot! You don’t know chemistry at all so just don’t try and pretend you do.

      • Eatzissmart

        Shut up. Eatz is way smarter than you. You’re jealous.

      • Shoe

        I know chem , he is correct , in what way is he incorrect ? phosphorus is used enamel tooth enhancing products , never understood how say bad for bones ? necessary for bone development , you gotta watch stupid studies they incorrect correlations and assumptions without explanation , ie the moon is blue it rots your teeth

      • Anon

        Neither do you clearly
        Carbonic acid in your blood is actually a buffer and it will neutralize the acid… Not to mention did you know that stomach acid is acidic shit you’d better vomit that up before it melts your bones.

        • whooosh

          If you vomit up the stomach acid, nothing will be there to process your food. then you will die a slow death because you did something stupid. LOL

    • Kelly Johnson

      I know right! Though the fact Cola is often used to clean rust that just makes me want to drink it even less. But the real evil is the sugar.

      • whooosh

        If you are a person, who takes sodium warfarin as a blood thinner and to protect the heart, you should know, that it was originally on the market as rat poison. The rat ate it and then would bleed to death internally, since it thins the blood.
        Going to stop taking your heart meds, so you can save the planet?
        When it comes to a choice between ME or the planet, it will be ME every time.

        • Noel Sefton

          Warfarin is rat poison. Is it often suggestted to take rat poison for one’s health?

          • whooosh

            Sodium warfarin is the generic version of comidin. Comidin has been around for at least 40-50 years. It began as rat poison and then, scientists found, it worked great as a blood thinner; believe it or not. Taken properly, it is a very cheap and effective way to keep the blood thin in people, who have heart problems. I know. My wife takes it and it cost $4 a month. Other blood thinners can cost $75-90 a month.

  • Nutritionist Judy

    no one has mentioned the amount of phosphoric acid in considered tolerable. There is such a thing as calcium/phosphorus ratio and when phosphorus gets too high it does pose health risks. Can soft drinks push it over the edge and put the ratio too high for phosphorus?

  • http://mannursediaries.blogspot.com Chris [The Man-Nurse Diaries]

    Your kidneys do have clear calcium from your bloodstream in an effort to remove excess phosphate. Decreasing your blood level of calcium will remove calcium from your bones to make up the difference. Whether this leads to long-term osteoporosis is probably not rock-solid proven, but it seems physiologically plausible, so that’s enough for me to not drink it DAILY.

    Do you have any insight into using, say, Italian sparkling mineral water, with its calcium and potassium and whatnot, and making your own soft drinks (i.e. Italian sodas)? That seems healthier than the artificially sparkling your pop with phosphate. Also I seem to use less sugar when I add syrups or flavorings than you would find in a normal American pop.

  • http://Foodierelations.com Lisa Warren

    I just finished dealing with a bathroom remodel gone wrong. One major issue was that tile grout dried and hardened in my shower drain – I solved this by pouring a 1 liter bottle of cola down the drain and waiting 24 hours. It worked great and now I have a functioning shower. I don’t think this is the marketing campaign the cola companies want to take :) Scary!

    • Aspartameisgood

      For one your lying. Tried this myself and nothing happened. You did a test without testing for any other adnormalities in the environment. Scary? Yes your lack of true scientific research yet your poor attempt at a scientific conclusion.

      • Healthy eater

        Keep drinking your aspartame. Survival of the smartest. We certainly do not need minds like yours.

  • amera

    what is the basicity of phosphoric acid?

  • edward

    @Chemist
    if you are a chemist, you know that uranium has a strong affinity for phosphorus and can always be found in combination with other phosphate minerals. dishonesty is your reason for preaching b.s.

    • Kaity whitless

       the bi product of phosphate is gypsum and it is radioactive. i live about ten miles from a phosphate plant

      • Westk

        There are lots of elements that exist as radioactive isotopes. Our bodies will use the radioactive isotopes just as eagerly as they will the stable isotopes to build itself. Carbon is an example. There are many elements that do not exist in nature uncombined and in their pure state. When elements combine to form compounds some of the elements ( atoms ) will be stable and some will be radioactive. So you you see, when you breathe, drink the water from the faucet, and even eat the food you grew yourself with the greatest of care and the most organic of methods, you are most definately becoming radioactive. The question is to what extent.

      • Westk

        There are lots of elements that exist as radioactive isotopes. Our bodies will use the radioactive isotopes just as eagerly as they will the stable isotopes to build itself. Carbon is an example. There are many elements that do not exist in nature uncombined and in their pure state. When elements combine to form compounds some of the elements ( atoms ) will be stable and some will be radioactive. So you you see, when you breathe, drink the water from the faucet, and even eat the food you grew yourself with the greatest of care and the most organic of methods, you are most definately becoming radioactive. The question is to what extent.

  • HBB

    @rusty

    Glass houses.

  • hola

    im doing a science fair project this stuff sounds bad

  • liliangrae@yahoo.com

    I recently used a can of CocaCola to loosen the rusty nails in my license plate. That fact should be a reason why it should never be ingested by a human being!

    • Genial

      Citric acid will do the same thing I guess you’ll avoid oranges and lemons too.

      • Ashish

        hey buddy when we are speaking of Phosophoric acid u speak of that. Y do u want to divert it some other thing. If u like pepsi or coke thats ur choice dont worry ur stomach rust is getting cleaned one day u will also be, Enjoy.

      • sevencandles

        oranges and lemons are natural, unlike PHOSPHORIC ACID which man has created!

        • GooRu

          Let’s see… oranges and lemons have a pH between 3 to 4, sodas with phosphoric acid, citric acid and carbonic acid (yes, the carbonation is acidic) have pH between 2 and 3.  The natural acid in your stomach is a solid 1, ten to a hundred times more powerful than that soft drink.  Do you think that cola is going to make a hill of beans difference?

          • Justin

            The acid in your stomach does not travel down the esophagus lining and through the rest of your body, does it. 

        • Shoe

          phosphoric acid is natural too , quit smokin medicinal marijuana you idiot

        • mjooles

          People would rather talk thank read. Obviously.

    • Westk

      I used an iron srewdriver to remove the screws that were holding my license plate to my car. Everyone stop ingesting iron!

    • Westk

      I used an iron srewdriver to remove the screws that were holding my license plate to my car. Everyone stop ingesting iron!

      • mjooles

        Yur a moron. Do some research. If yur not going to run yur brain, please don’t run yur mouth

        • Jack

          You clearly missed the joke made at the expense of the other guys poor logic.

    • whooosh

      Holding on a license plate with nails, must be something you learned from Obama, our fearless moronic Muslim-in-chief.
      Normal people use screws, so the plate can be removed once in awhile.

  • https://identi.ca/clacke clacke

    @liliangrae

    I’m not saying that CocaCola is in any way a part of a healthy diet, but with your line of reasoning ketchup, lemon juice, vinegar and several other substances found in the average kitchen should never be ingested by a human being, as they can be used for dissolving various kinds of stains on pots, pans and kitchen tiles.

    • watchful

      I’ve not heard of anyone who goes around all day sucking on a bottle of ketchup, lemon juice and/or vinegar. Have you? But I’ll bet you could without difficulty name a dozen people you know who drink soda constantly – from the time they first get up in the morning even! That’s the difference: the quantity and DURATION of ingestion. Their teeth aren’t getting brushed after each can/bottle, either.

      • AspartameIsGood

        A person in a coma for a long time (feed intravenously) can get severe teeth rot. No ingestion of pop or candy etc.. So this totally  makes your argument invalid.

        • Guest

          Just because there are other ways to rot teeth does not make the fact that soft drinks will rot your teeth invalid.

          • Shoe

            medicinal marijuana toothpaste is very good for your teeth and cures everything , sponsered by barneyfagratcasinos and ronrandpaulpedo

      • Westk

        Everything in moderation.

      • Shoe

        start your day with a bong fraud quackfag docADHDidiotOZratforeignercrook

    • Gravitymind

      That’s a great point (although putting a fruit containing 2% naturally occurring phosphorus with ketchup and vinegar is ridiculous)  vinegar & ketchup are noxious to the human organism as are many of todays common food items. The most interesting point of investigation is the common correlation between what causes harm in the body and what tastes good. Why does the destruction of the human organism  taste good?

  • rich

    RED ALERT

    just found this crap in Hellmanns light mayo . seems they are trying to poison the health freaks any way they can . BOYCOTT HELLMANS TODAY > tell them http://www.hellmanns.ca
    and all yours friend

  • FEWAS22

    phosphoric acid WOW

  • FEWAS22

    phosphoric acid WOW

  • watchful

    Center for Science in the Public Interest may not be officially, openly or obviously affiliated with the food industry, but it fails again and again to act in the consumer interest.

  • Harvest Insight

    Look up sodium fluoride it is basically identically harmful to our health.

    • Spin

      As is chlorine which is added to almost all drinking water in the USA.

  • Harvest Insight

    find and LIKE Harvest Insight on Facebook.
    Has numerous amounts of information on sodium fluoride… this stuff is a USDA, FDA, CDC, ADA, and EPA government legal toxin, poisoning the masses.

    • Shoe

      dude either way you’re supposed to spit it out , i wouldn’t swallow soap either IF i were you , WHICH thank GOD i am not

  • Genial

    Several recent studies have debunked this theory as well as the myth that one need ’8 to 10 glasses’ of water per day. Just more b.s.

    • Sabrosina

      You are right.  It is a myth that we need 8 to 10 cups of water each day.  We need MORE.  The body cannot function without it, and it has only one way in–pour it down your throat.

  • daniella espinosa

    Coca Cola is bad for you because of acids levels in it. If stomach levels are near the 2 and 1 and the level in soda is about a 3 and leads to lower bone density it can’t possibly be good for consumption. Also if Phosphoric acid is commonly used for rust removal then it doesn’t belong in our bodies.

  • Grace Eshelman

    Coca Cola is bad for our bodies because of the acidity levels. If stomach levels are near the two and one and the level in soda is about a three and leads to lower bone density it can’t possibly be good for our digestive system. Phosphoric acid is also, used for rust removal; so why would we want that in our bodies?

    • Kaity whitless

       The kind of acid that they use for food is a different kind they use for rust removal. The two acids are of a different grade. One is more concentrated. It all comes down to molarity.

      • Ye4jim

        There is such a thing as non-food grade phosphoric acid, which would
        typically be used to remove rust.  The only difference from this and
        food grade is that it’s not manufactured in such a way as to guarantee
        that other chemicals might be present.  HOWEVER, straight food-grade phosphoric acid is just as concentrated as non food grade, and can be used to dissolve rust just as easily, but it gets diluted in the Coke manufacturing process such that it is present at only about 0.2-0.3% by weight. 

    • Ye4jim

      1. Elementary chemistry:  The lower the pH, the more acidic something is. Phosphoric acid (at pH 3 or thereabouts) is a natural organic acid that is at least 10 times LESS acidic that stomach acid (hydrochloric acid).
      2. Straight phosphoric acid has a pH of about 2.8, but Coke contains only
      0.2% phosphoric acid, and has a pH of about 3.4, due to the buffering
      effect of other ingredients, which include citrate.
      3.  Phosphoric acid is instantly neutralized to sodium phosphate as soon as it exits the stomach, in the same way that hydrochloric acid is neutralized to sodium chloride.
      4.  Sodium phosphate is a natural salt found in significant quantities in any healthy animals bloodstream.
      4.  Vinegar (5% acetic acid) and lemon juice (5% citric acid), both around pH 2.3-2.5, are two other natural organic acids that are quite effective in removing rust and scale.  Would you hesitate to consume these?

      • Hose281

        Phosphoric acid is inorganic

        • Foodie

          So is hydrochloric acid. So is water, for that matter.

    • Shoe

      because you’re an idiot carrying a chihuahua dog , now please go euthanize yourself , stand and live off the sun’s rays with your jackaldog

  • http://kidneystonediets.org kidney stone diet

    Although the article doesn’t state the levels that are classed good or bad for you, i imagine we shouldn’t be pouring litres a day down our throats. Even too many vitamins are bad if you exceed the recommended dosages.

  • http://kidneystonediets.org kidney stone diet

    Although the article doesn’t state the levels that are classed good or bad for you, i imagine we shouldn’t be pouring litres a day down our throats. Even too many vitamins are bad if you exceed the recommended dosages.

  • http://kidneystonediets.org kidney stone diet

    Although the article doesn’t state the levels that are classed good or bad for you, i imagine we shouldn’t be pouring litres a day down our throats. Even too many vitamins are bad if you exceed the recommended dosages.

  • Miranda

    Unless all you drink is soda. Not water, not juice, occasionally milk, but if you start the day with a 2 liter of Coke or Pepsi, then should you worry about the phosphoric acid? The man that Drinks Only Soda is obese (with that much sugar consumption, how could you be otherwise?)smokes, use chew tobacco when cigarettes are not an option, and will turn 40 in a few weeks. His diet is processed foods, also, so I don’t expect he’ll be around much longer, which is sad, because he has plenty to offer the world if he would just stop treating himself like a human garbage can.

    • Shoe

      and medicinal marijuana is so medicinal why military and airline pilots use it but mainly the dumb ugnegro pres and casinosrepubican foreignervermen

  • Guest

    Tons of uneducated people are tweeting this without even reading it I bet. 

    Sickens me.

  • Calvin

    Banana!!!!!!!!!

    • Likekitty

      CHERRIES!!!!!

      • T F

        Ohhh, I like this game! Guess:Things you call your hunney!

  • Likekitty

    hiii

  • Keyla

    Im a stupid nerd that lkes 2 b smart in a stupiid wayy

  • keyla

    Hi likekitty its been a long 5 minutes i been lokking in other websites like ionizer.org 4 u ily alot

    • likekitty

      i been here like since 10 mns ago u stupid!!

  • Volkswoman2

    All I know is this.  I have acid reflux.  Bad.  I had to give up alot of my favorite foods and drinks.  Coke, and Champagne were two of my favorites.  I switched to flavored vodkas, I mix them with club soda and no pain.  I was working outside a few weeks ago in the heat.  A friend offered me a coke.  I stupidly drank it right up.  I could barely work the rest of the day because of the pain.  I know they are BAD for my stomach.  They are bad for everyone’s stomach.  Most people don’ t get pain because they don’t have acid reflux, but the coke is still doing the same thing to them.  

    • Westk

      I can still soda the acid doesn’t bother my stomach at all. If I drink more than a glass of orange juice my stomach burns like It’s on fire.

  • P8russ8

    Hey, everyone to sum it all up, we all consume one way or the other what  poisonous food we all eat in our every day life day in and day out. We are all doom in these crazy world we live it, we just wait for our time to go to back to Him, the Almighty Father in Heaven. We are all doom whether we like it or not. There is no more safe in these world we live in, no one can escape in these world with those food that is made full of chemical, we are all expose by it in out every day life. Everything is contaminated name it, it is all around us in the name of money. Who cares to all of us, we are all doom to die one way or the other. The air alone that we breath in and out is contaminated, water, our clothing, cars, and the food we eat. Period, no matter how clean are we, and how we take good care of ourselves, one or the other, we will go out in these crazy world we live in. You think gargle, toothpaste and etc. doesn’t have any chemical in it, think again people, it is part of our lives now. Period. So, all we could do is pray to God, to give us all a good death, not to suffer in the death bed. So, it is time to ask God, forgiveness of our sins and give us all a good death. So, enjoy life as much as we can while we are still kicking and alive and see the world if, you can and wear smile every day to the people you meet, be kind to one another, be good to one another, be courteous to one another and be good to one another. Think God in our lives every day. Thank Him of the blessings He shower to us every day and count your blessings too. Amen

  • Paula

    Cancer did not grow over night maybe over time. Smile

  • Paula

    Enjoy life while we can and eat you think is right for you and be merry and Thank God for the blessings He shower us all. 

  • Kittencannon69

    Yeah your stomach is more acidity than soda…. But all of your vital organs don’t. Those aren’t important or anything

  • AZMama

    I believe Coke has carmel coloring which is natural.  Other colas have artificial coloring though.

  • ehook022258

    coke is not more acidic than lemon juice or vinegar. It’s about the same pH or a little higher. Higher pH means less acidic.

  • http://www.facebook.com/profile.php?id=591062526 Bazzio Australia

    Phos Ac is a great plant growth stimulator

  • Barrowford Bluesman

    I liked that. Short succinct and gave me a bunch of facts that I didn’t previously know – if we take them as being correct. I drink about 1 can a day of the “diet” version – I’m more worried about Aspartame than the phosphoric acid.

  • Gimpsuit

    Feel free to correct me but I read that Coca Cola contains so much sugar that if it were not for the phosporic acid you would begin to vomit after drinking a can. Sugar in return hides the tartness of the phosporic acid and the current blend of sugar, phosporic and caffine is designed to remove the need for the cocaine that they used to put in it.

    Seems like I’m in the right place to have my facts checked!

    Thanks

  • http://www.facebook.com/profile.php?id=100001334225253 Noah Johnson

    you need just the right amount of phosphorus in the body, bones are made from calcium, phosphorus ad oxygen. too much is harmfull

  • Earlo

    thats backwards actually, the phosphoric acid is added to counter the sugar content in soda, if you ate the teaspoon count equivalent (10 tsp’s) you would reject that much sugar by throwing it up.

  • James Pedigo

    http://www.amazon.com/Save-Your-Life-Power-Balance/dp/1438252897/ref=sr_1_1?ie=UTF8&qid=1359211399&sr=8-1&keywords=balance+your+pH+and+save+your+life Phosphoric acid along with artificial sweetners and processed sugar lower your body’s pH level. Your body will maintain your blood pH level between 7.3-7.4 but it will be at the expense of the health of your kidneys, pancreas, lungs, etc. before you jump on here with everything you have ever heard; do a little research. It’s the years of living with an acidic pH that is causing the health problems. Balance your body’s pH and you will notice a change in your health for the better.

  • whooosh

    What this article failed to mention and should have mentioned is that the Center for science in the public interest (CSPI) is the number one group, which heads up the “food police”. They and other groups are the ones, who push for cities to regulate what people may eat or drink.
    They are also supporting a hidden agenda, which seeks to put the meat and dairy people out of business.
    I would guess, that somewhere in their business ventures, you will find the animal rights wackos, who want to remove meat from our supermarkets.
    if some moron wants to author an article, they should at least be upfront about the source of their information.

  • Sam

    does phosphoric acid increase Gout or Diabeties leavels ???

  • http://www.thesqueee.co.uk Traxy

    12. The amount of phosphoric acid that goes IN your body is the amount of magnesium that goes OUT. If you drink colas regularly, you really ought to take a magnesium supplement … (I don’t know if this is related to the thing about bone density, but it was a very interesting fact I read somewhere.)

  • Super nickid

    Phosphoric Acid is also used for whitening teeth, according to Wikipedia.