•Toomuchphosphorusinthefoodsyoueatcanleadtoaharmfulbuildupofphosphorusinthebody.1

Phosphorusfoundinfoodscanbeeitherorganicorinorganic.2,3

Where is organic phosphorus found?Organicphosphorusisfoundnaturallyinanimalandplantfoods,including2

•Dairyproducts(milk,cheese,andyogurt)•Freshmeat,freshseafood,poultry•Nuts,seeds•Grains,vegetables,fruits

Where is inorganic phosphorus found?Inorganicphosphorusisanadditiveorpreservativeinmanyfoods,including3

•Fastfoods•Cannedandbottledbeverages•Ready-to-eatfoods•Enhancedmeatswithadditivesorsolutionadded

Why is Phosphorus Important?

Did you know there are 2 types of phosphorus?

PP

P

“P”=Phosphorus

How is Phosphorus Absorbed in the Body?

Insteadofchoosingprocessedfoods,youhavemanyhealthychoicesavailable.Below,let’scompareafewprocessedfoodchoices(ontheleft)withhealthychoices(ontheright).4,5

Processed food choices Smart, healthy foods when in the appropriate amount

Fastfoodeggbiscuit Englishmuffinwithegg-homemadeFastfoodtacos HomemaderedbeansandriceBoxedmacaroniandcheese CookedpastawithherbsandoilStore-boughtblueberrymuffin SmallhomemadeblueberrymuffinSandwichwithbolognaandAmericancheese Sandwichwithsmoothpeanut-butterandjam

Thebodyabsorbsphosphorusfromfood.Theamountthatisabsorbeddependsonifitisorganicorinorganicphosphorus.2,3

How is organic phosphorus absorbed?•Theabsorptionofphosphorusfromplant-basedfoodsandseedsislow—usuallylessthan50%.3

•About40%to60%ofphosphorusfoundinanimalfoodsmaybeabsorbed.2

How is inorganic phosphorus absorbed?•Upto100%ofphosphorusaddedtoprocessedfoodsmaybeabsorbedbythebody.2

How can I make smart, healthy eating choices?

Asapatientwithchronickidneydiseaseondialysis,yourphysicianmayprescribeaphosphatebinder.Phosphatebindersattachtophosphorusinthefoodsyoueatandlowertheamountofphosphorusabsorbedbyyourbody.Phosphatebindersshouldbetakenasdirectedbyyourphysicianwitheverymeal.6Afterthebinderabsorbsthephosphorusinyourfood,itpassesoutofyourbodywithyourbowelmovements.7

Thereare3typesofphosphatebinders:8

•Metal-based•Calcium-based•Metal-free,calcium-free

Why are phosphorus binders important?

Plant-based food <50% absorbed

Animal-based food 40-60%

absorbed

Convenient and fast food

100% absorbed

% P

hosp

horu

s A

bsor

bed

Food Category

Increasing Phosphorus Absorption

0

50

100

References

1. NationalKidneyFoundation.http://www.kidney.org/.AccessedJuly31,2014

2. Noori,N,SimsJJ,KoppleJD,etal.Organicandinorganicdietaryphosphorusanditsmanagementinchronickidneydisease.IranJKidneyDis.2010;4:89-100.

3. Kalantar-ZadehK,GutekunstL,MehrotraR,etal.Understandingsourcesofdietaryphosphorusinthetreatmentofpatientswithchronickidneydisease.ClinJAmSocNeph.2010;5:519-530.

4. USDepartmentofAgriculture:NationalAgricultureLibrary.USDANationalNutrientDatabaseforStandardReference,Release25.http://ndb.nal.usda.gov/ndb/foods/list.Update2012.AccessedJuly31,2014

5. ShermanRA,MehtaO.Phosphorusandpotassiumcontentofenhancedmeatandpoultryproducts:implicationsforpatientswhoreceivedialysis.ClinJAmSocNephrol.2009;4:1370-1373.

6. AmericanKidneyFundwebsite.http://www.kidneyfund.org.AccessedJuly31,2014.

7. Phosphorus.NationalKidneyFoundationwebsite.http://www.kidney.org/atoz/content/phosphorus.cfm.AccessedJuly31,2014.

8. FriedmanE.Anintroductiontophosphatebindersforthetreatmentofhyperphosphatemiainpatientswithchronickidneydisease.KidneyInt.2005;68(suppl96):S2-S6.

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