<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001210905</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001709941</issuerCik>
      <issuerName>BioAge Labs, Inc.</issuerName>
      <secFileNumber>001-42279</secFileNumber>
      <issuerAddress>
        <com:street1>5885 HOLLIS STREET</com:street1>
        <com:street2>SUITE 370</com:street2>
        <com:city>EMERYVILLE</com:city>
        <com:stateOrCountry>CA</com:stateOrCountry>
        <com:zipCode>94608</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>510-806-1445</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>RUBIN PAUL D</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Fidelity Brokerage Services LLC</name>
        <address>
          <com:street1>900 Salem Street</com:street1>
          <com:city>Smithfield</com:city>
          <com:stateOrCountry>RI</com:stateOrCountry>
          <com:zipCode>02917</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>8820</noOfUnitsSold>
      <aggregateMarketValue>157084.20</aggregateMarketValue>
      <noOfUnitsOutstanding>44379753</noOfUnitsOutstanding>
      <approxSaleDate>04/01/2026</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>04/01/2026</acquiredDate>
      <natureOfAcquisitionTransaction>Option Granted 07/01/2020</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>5437</amountOfSecuritiesAcquired>
      <paymentDate>04/01/2026</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>04/01/2026</acquiredDate>
      <natureOfAcquisitionTransaction>Option Granted 05/29/2022</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>3383</amountOfSecuritiesAcquired>
      <paymentDate>04/01/2026</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Paul Rubin</name>
        <address>
          <com:street1>5885 Hollis Street, Suite 370</com:street1>
          <com:city>Emeryville</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>94608</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>01/02/2026</saleDate>
      <amountOfSecuritiesSold>7433</amountOfSecuritiesSold>
      <grossProceeds>95490.42</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Paul Rubin</name>
        <address>
          <com:street1>5885 Hollis Street, Suite 370</com:street1>
          <com:city>Emeryville</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>94608</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>02/02/2026</saleDate>
      <amountOfSecuritiesSold>7433</amountOfSecuritiesSold>
      <grossProceeds>139368.75</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Paul Rubin</name>
        <address>
          <com:street1>5885 Hollis Street, Suite 370</com:street1>
          <com:city>Emeryville</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>94608</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>03/02/2026</saleDate>
      <amountOfSecuritiesSold>7433</amountOfSecuritiesSold>
      <grossProceeds>148882.99</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>04/01/2026</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>11/05/2024</planAdoptionDate>
      </planAdoptionDates>
      <signature>/s/ Jessica Spraker, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Paul Rubin.</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
