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  <xs:element id="natr_IncreaseDecreaseInLiabilityRelatedToUnrecognizedTaxPositions" abstract="false" name="IncreaseDecreaseInLiabilityRelatedToUnrecognizedTaxPositions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="natr_ContractWithCustomerContractTerm" abstract="false" name="ContractWithCustomerContractTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="natr_MinimumNumberOfClaimsCompaniesInsuranceCoverageMayNotCover" abstract="false" name="MinimumNumberOfClaimsCompaniesInsuranceCoverageMayNotCover" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="natr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedSubjectToRestrictionPeriodNumber" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedSubjectToRestrictionPeriodNumber" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="natr_CardiovascularProductsMember" abstract="true" name="CardiovascularProductsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="natr_TimeBasedRestrictedStockUnitsRSUsMember" abstract="true" name="TimeBasedRestrictedStockUnitsRSUsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="natr_IncentivePlan2009Member" abstract="true" name="IncentivePlan2009Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="natr_LineOfCreditFacilityNumberOfSeparateIncreases" abstract="false" name="LineOfCreditFacilityNumberOfSeparateIncreases" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="natr_AccruedSeveranceandRentCostsMember" abstract="true" name="AccruedSeveranceandRentCostsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="natr_NonIncomeTaxMember" abstract="true" name="NonIncomeTaxMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="natr_SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsDiscountforLackofMarketability" abstract="false" name="SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsDiscountforLackofMarketability" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="natr_DilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAbstract" abstract="true" name="DilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="natr_PerformanceBasedRestrictedStockUnitsRSUsNetSalesandEBITDAMember" abstract="true" name="PerformanceBasedRestrictedStockUnitsRSUsNetSalesandEBITDAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="natr_ContributionMargin" abstract="false" name="ContributionMargin" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="natr_EuropeSegmentMember" abstract="true" name="EuropeSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="natr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsMinimumWithholdingRequirements" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsMinimumWithholdingRequirements" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="natr_SynergyWorldWideMember" abstract="true" name="SynergyWorldWideMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="natr_RestrictionPeriodForIssuanceOfShares" abstract="false" name="RestrictionPeriodForIssuanceOfShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="us-types:durationStringItemType"/>
  <xs:element id="natr_BankofAmericaCreditAgreementMember" abstract="true" name="BankofAmericaCreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="natr_PersonalCareProductsMember" abstract="true" name="PersonalCareProductsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="natr_VolumeIncentives" abstract="false" name="VolumeIncentives" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="natr_OtherCountriesMember" abstract="true" name="OtherCountriesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="natr_GeneralHealthProductsMember" abstract="true" name="GeneralHealthProductsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="natr_StockIssuedDuringPeriodValueStockOptionsAndRestrictedStockExercised" abstract="false" name="StockIssuedDuringPeriodValueStockOptionsAndRestrictedStockExercised" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="natr_AccruedVolumeIncentiveandServiceFees" abstract="false" name="AccruedVolumeIncentiveandServiceFees" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="natr_LineOfCreditFacilityMaximumBorrowingCapacityIncreaseFromAdditionalBorrowingsMinimumPerOccurrence" abstract="false" name="LineOfCreditFacilityMaximumBorrowingCapacityIncreaseFromAdditionalBorrowingsMinimumPerOccurrence" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="natr_NetSalesandOperatingIncomeTargetsMember" abstract="true" name="NetSalesandOperatingIncomeTargetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="natr_A2012IncentivePlanMember" abstract="true" name="A2012IncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="natr_WeightManagementProductsMember" abstract="true" name="WeightManagementProductsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="natr_ChangeinContractwithCustomerLiabilityRollForward" abstract="true" name="ChangeinContractwithCustomerLiabilityRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="natr_AsiaSegmentMember" abstract="true" name="AsiaSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="natr_StockIssuedDuringPeriodSharesStockOptionsAndRestrictedStockExercised" abstract="false" name="StockIssuedDuringPeriodSharesStockOptionsAndRestrictedStockExercised" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="natr_IndicativeIndexMember" abstract="true" name="IndicativeIndexMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="natr_ScheduleOfSegmentReportingInformationBySegment1TableTextBlock" abstract="false" name="ScheduleOfSegmentReportingInformationBySegment1TableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
  <xs:element id="natr_IncreaseDecreaseinContractLiabilitiesAbstract" abstract="true" name="IncreaseDecreaseinContractLiabilitiesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="natr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOperatingMarginsTwo" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOperatingMarginsTwo" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="natr_IncreaseDecreaseinAccruedVolumeIncentivesandServiceFees" abstract="false" name="IncreaseDecreaseinAccruedVolumeIncentivesandServiceFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="natr_DilutiveSecuritiesExcludedfromComputationofEarnings" abstract="false" name="DilutiveSecuritiesExcludedfromComputationofEarnings" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="natr_DebtInstrumentMonthlyPaymentsPercentageOfTotalLoanAmount" abstract="false" name="DebtInstrumentMonthlyPaymentsPercentageOfTotalLoanAmount" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="natr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOperatingMarginsOne" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOperatingMarginsOne" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="num:percentItemType"/>
  <xs:element id="natr_TimeBasedStockOptionsMember" abstract="true" name="TimeBasedStockOptionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="natr_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardPerformancePeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardPerformancePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="natr_IncreaseDecreaseInOperatingLeaseLiabilities" abstract="false" name="IncreaseDecreaseInOperatingLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="natr_NSPAmericasNSPRussiaCentralandEasternEuropeandNSPChinaMember" abstract="true" name="NSPAmericasNSPRussiaCentralandEasternEuropeandNSPChinaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="natr_DebtInstrumentNumberOfMonthlyPayments" abstract="false" name="DebtInstrumentNumberOfMonthlyPayments" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="natr_RevenuefromContractwithCustomer.LiabilityIncreaseFromCustomerLoyaltyNetDeferrals" abstract="false" name="RevenuefromContractwithCustomer.LiabilityIncreaseFromCustomerLoyaltyNetDeferrals" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
