Superfoods lossis Superfrauds?

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Ntawm lub khw muag khoom noj, koj mus txog qhov koj nyiam tshaj plaws ntawm cov kua txiv kab ntxwv thaum koj pom daim ntawv tshiab ntawm lub txee dai khaub ncaws nrog daim paib liab liab. "Tshiab thiab txhim kho!" nws quaj. "Tam sim no nrog echinacea!" Koj tsis paub meej tias echinacea yog dab tsi, tab sis koj tus phooj ywg zoo tshaj tau cog lus los ntawm nws cov txuj ci txias thiab tiv thaiv khaub thuas. Me ntsis tsis ntseeg, koj kos tus nqi. Lub fortified OJ raug nqi me ntsis ntxiv, tab sis koj txiav txim siab tias raws li kev pov hwm kev noj qab haus huv mus, qhov ntawd yog tus nqi pheej yig heev los them. Tsuav nws saj zoo li qhov qub, tej zaum koj yuav tsis muab qhov kev xav thib ob.

Qhov tseeb yog, koj yuav tsum. Cov tshuaj ntsuab OJ yog ib qho piv txwv ntawm cov qoob loo loj hlob ntawm "cov khoom noj muaj txiaj ntsig" uas muaj neeg coob coob ntawm cov khw muag khoom noj thiab cov neeg siv khoom tsis meej pem. Txawm hais tias tsis muaj kev cai lij choj lossis raug cai, Bruce Silverglade, tus thawj coj ntawm kev cai lij choj rau Lub Chaw rau Kev Tshawb Fawb Txog Kev Tshawb Fawb Hauv Pej Xeem (CSPI), hais tias cov lus lag luam txhais cov khoom noj muaj txiaj ntsig zoo li cov khoom siv tau uas muaj cov khoom xyaw npaj los pab kev noj qab haus huv ntau dua cov zaub mov tseem ceeb . Qhov no suav nrog cov khoom noj uas tshuaj ntsuab lossis tshuaj ntxiv tau ntxiv rau qhov kev liam tias txhim kho cov khoom noj muaj txiaj ntsig lossis txhawb kev noj qab haus huv ntawm cov khoom xyaw uas tshwm sim, xws li lycopene hauv txiv lws suav.

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Qhov no tsis yog hais txog kev noj zaub mov kom muaj zog lossis txawm tias lub neej ntev; cov zaub mov hauv nqe lus nug thov kom txhawb lub cev tiv thaiv kab mob ua haujlwm, txhim kho kev nco thiab kev xav thiab txawm tias tiv thaiv kev nyuaj siab.

Hmoov zoo, cov kws tshaj lij feem ntau xav tias cov tuam txhab tsim khoom tau ntxiv qhov tsis txaus ntseeg ntawm cov khoom xyaw uas muaj kev noj qab haus huv hauv nqe lus nug tias qhov tshwm sim tshwm sim yog tias lawv yuav tsis muaj txiaj ntsig. Txawm hais tias cov khoom lag luam muaj cov tshuaj tswj hwm cov tshuaj kom raug, ntau yam tshuaj ntsuab yuav tsum tau siv rau ob peb lub lis piam ua ntej yuav pom qhov tshwm sim. Hauv cov xwm txheej no, koj yuav tsuas tau nkim koj cov nyiaj. Tseem, nws muaj peev xwm overdose ntawm qee cov vitamins thiab minerals (xws li hlau, vitamin A thiab chromium). Yog li yog tias feem ntau ntawm koj cov zaub mov tau ua los ntawm cov zaub mov superenriched, koj tuaj yeem ua rau koj tus kheej muaj kev pheej hmoo.

Thawb rau kev txwv rau cov lus tsis tseeb

CSPI, lub koom haum txhawb nqa cov neeg siv khoom tsis muaj txiaj ntsig, tab tom ua haujlwm los tiv thaiv cov neeg siv khoom los ntawm cov lus nug tsis txaus ntseeg thiab cov lus thov yuam kev.Lub koom haum tau foob ntau qhov kev tsis txaus siab nrog Food and Drug Administration yaum kom cov khoom xyaw ua haujlwm tau pov thawj muaj kev nyab xeeb thiab daim ntawv lo daim ntawv thov tau pom zoo ua ntej kev lag luam. Lawv kuj tau thov kom muaj kev txiav txim siab uas yuav tiv thaiv cov tuam txhab tsim khoom lag luam ua zaub mov noj raws li kev noj zaub mov kom zam dhau FDA cov cai rau cov khoom noj. Christine Lewis, Ph.D., tus thawj coj ntawm chaw ua haujlwm ntawm cov khoom noj khoom haus, daim ntawv lo thiab cov zaub mov noj ntawm FDA. Nws hais ntxiv tias "Nws yog peb txoj haujlwm los tsis lees paub cov neeg tsim khoom thov," nws hais ntxiv. "Qhov ntawd tuaj yeem ua tau nyuaj."

Lewis hais tias FDA yog "muaj kev txaus siab heev rau cov teeb meem uas CSPI tau tsa thiab yuav nce siab los xyuas kom meej tias cov khoom xyaw muaj kev nyab xeeb thiab cov ntawv lo yog qhov tseeb thiab raug." Kom txog thaum muaj ib txoj cai tswjfwm raug tshaj tawm, ceeb toom.

Pumped-up cog lus

Tsis txhob ntseeg txhua yam koj nyeem. Los ntawm Lub Chaw rau Kev Tshawb Fawb Hauv Pej Xeem Txiaj Ntsig, ntawm no yog cov npe khoom uas tej zaum yuav tsis yog cov kws tshaj lij uas lawv lees tias yog:

Pab pawg neeg Tonics Cov ginseng-, kava-, echinacea- thiab guarana-infused ntsuab teas yog "tsim los kom rov zoo, rov muaj zog thiab txhim kho kev noj qab nyob zoo." Cov neeg tsim khoom tau sau lawv ua cov tshuaj ntxiv kom zam dhau txoj cai nruj dua uas yuav tsum tau ua lag luam khoom noj khoom haus. Qhov no yog thaj tsam grey. CSPI's Bruce Silverglade hais tias, "Lub Chaw Tswj Xyuas Khoom Noj thiab Tshuaj tau tso tseg qee lub sijhawm, tab sis tsis tas li. Tsis tas li ntawd, kev tswj hwm tsis yog qhov tseem ceeb tshaj plaws rau FDA."

Brain Gum Cov zom zom no muaj phosphatidyl serine, cov khoom uas muaj roj zoo li muab rho tawm los ntawm taum pauv. Cov khoom lag luam, uas thov kom "txhim kho kev mloog zoo," raug muag raws li kev ntxiv yog li nws tsis tas yuav ua raws li FDA txoj cai tswj hwm zaub mov.

HeartBar L-arginine-fortified snack bar's daim ntawv lo hais tias nws tuaj yeem siv "rau kev tswj kev noj zaub mov ntawm kab mob vascular." (Arginine yog cov amino acid xav tau los tsim cov tshuaj nitric oxide, cov hlab ntshav ua kom lub cev puas tsuaj.) Nws tau sau tias yog khoom noj khoom haus kho mob rau siv raws li kws kho mob saib xyuas kom hla dhau FDA txoj cai saib xyuas kev noj qab haus huv ua lag luam.

Heinz Ketchup Kev tshaj tawm khav theeb tias lycopene hauv ketchup "yuav pab txo kev pheej hmoo mob qog noj ntshav thiab mob qog noj ntshav." Lub tuam txhab tsuas yog ua daim ntawv thov hauv kev tshaj tawm thiab tsis nyob rau hauv cov ntawv sau vim tias Tsoom Fwv Teb Chaws Trade Commission, uas tswj kev tshaj tawm, tsis tas yuav tsum muaj kev lag luam ua ntej ntawm cov lus thov, thaum qhov kev thov ntawm daim ntawv lo zaub mov yuav tsis tso cai los ntawm FDA vim rau kev tshawb fawb tsis txaus.

Campbell's V8 Juice Cov ntawv cim xeev hais tias cov tshuaj tiv thaiv kab mob hauv cov khoom "yuav ua lub luag haujlwm tseem ceeb hauv kev hloov pauv qeeb uas tshwm sim nrog kev laus ib txwm muaj," kev thov raws li cov pov thawj tshawb fawb ua ntej. Cov kua txiv hmab txiv ntoo kuj tseem muaj cov sodium, uas txhawb cov ntshav siab hauv cov neeg uas muaj cov tshuaj sodium-rhiab heev, ib qho mob uas ua rau muaj kev laus dua.

Cov neeg yuav khoom ceev faj: 7 teeb meem nrog cov khoom noj khoom haus

1. Kev lag luam tseem tsis tau tswj hwm. Mary Ellen Camire, Ph.D., tus xibfwb qhia txuj ci zaub mov thiab tib neeg noj zaub mov hauv University of Maine hais tias "Cov kws tsim khoom noj khoom haus tau ntxiv cov as-ham thiab cov zaub mov zoo rau zaub mov." Feem ntau, lawv tsis saib seb cov khoom xyaw puas tuaj yeem siv los ntawm lub cev hauv daim ntawv no, lossis txawm tias lawv muaj kev phom sij lossis muaj txiaj ntsig. (Ib qho tshwj xeeb tshwj xeeb yog cov neeg tsim cov kua txiv kab ntxwv calcium-fortified: Vim tias calcium yog absorbed zoo dua thaum noj nrog vitamin C, qhov no ua rau kev noj zaub mov zoo.)

2. Tsis Muaj Kev Pom Zoo Txhua Hnub. CSPI's Bruce Silverglade hais tias, "Cov tshuaj ntsuab tuaj yeem ua tiav cov tshuaj ib txwm muaj," tab sis lawv tsis yog khoom noj. Kava muaj cov nyhuv sedative. Yuav ua li cas yog tus menyuam tau noj tag nrho lub hnab? "

3. Yog nws zoo li cov khoom qab zib ... Ntim cov khoom noj txom ncauj nrog tshuaj ntsuab thiab cov khoom noj uas tau liam tias yog "kev lag luam ua kom cov neeg noj zaub mov tsis zoo," Camire hais.

4. Ua si kws kho mob tuaj yeem ua rau koj muaj teeb meem. Qee cov tshuaj ntsuab hauv nqe lus nug yog tsim los kho mob uas tus neeg siv khoom tsis tuaj yeem thiab tsis txhob ntsuas nws tus kheej. "Saint Johnswort tau pom tias muaj txiaj ntsig zoo hauv kev kho kev nyuaj siab," Silverglade hais. "Koj yuav paub tau li cas yog koj nyob qis qis lossis mob nkeeg hauv tsev kho mob? Puas yog koj yuav tsum tau noj cov kua zaub superfortified lossis mus ntsib kws kho mob hlwb?"

5. Cov qos yaj ywm-nti binge tuaj yeem tsim kev phom sij ntau dua li koj lub duav. Peb xav tias txhua yam hauv peb lub tub yees muaj kev nyab xeeb noj, tab sis qhov ntawd tsis yog cov khoom noj no. "Yog tias koj yuav noj tshuaj ntsuab, coj lawv mus rau hauv daim ntawv ntxiv thiab sab laj nrog koj tus kws kho mob txog kev cuam tshuam nrog tshuaj," Silverglade yaum. "Kev noj zaub mov yog txoj hauv kev tsis zoo kom tau txais cov tshuaj kom raug."

6. Ob tug yuam kev tsis ua kom raug. Camire hais tias "Koj tsis tuaj yeem siv cov khoom noj muaj zog los them nyiaj rau kev noj zaub mov tsis zoo," Camire hais.

7. Ib zaug tsis txaus. Cov kws tshaj lij xav tias feem ntau cov tshuaj ntsuab muaj txiaj ntsig tsis muaj txaus ntawm cov khoom xyaw nquag kom muaj txiaj ntsig. Txawm hais tias lawv tau ua, cov tshuaj ntsuab feem ntau yuav tsum tau noj rau ob peb lub lis piam ua ntej cov txiaj ntsig tau ncaws tawm.

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