{
  "company": {
    "name": "Juvenescence",
    "website": "https://juvlabs.com/",
    "record": "https://startuphistory.org/c/juvlabs.com"
  },
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    "headline": "Why We're Reimagining a Lifetime.",
    "description": "Juvenescence is extending healthy human lifespan through aging research, development of therapies to counter age-related diseases & our ketone ester drink, Metabolic Switch.",
    "evidence": "https://web.archive.org/web/20201031063552/https://www.juvlabs.com/",
    "evidence_kind": "internet_archive",
    "facts": null,
    "basis": "first_observation",
    "is_change": false
  },
  "live_captures": 1,
  "last_checked": "2026-11-06T17:28:16.780Z",
  "live_status": null,
  "messaging": [
    {
      "quote_observed_at": "2021-01-03T17:56:00.000Z",
      "variants": [
        {
          "headline": "Why We're Reimagining a Lifetime.",
          "subhead": "Juvenescence is extending healthy human lifespan through aging research, development of therapies to counter age-related diseases & our ketone ester drink, Metabolic Switch.",
          "observed_at": "2020-10-31T06:35:52.000Z",
          "evidence": "https://web.archive.org/web/20201031063552/https://www.juvlabs.com/",
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        },
        {
          "headline": "Why We're Reimagining a Lifetime.",
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          "observed_at": "2021-01-03T17:56:00.000Z",
          "evidence": "https://web.archive.org/web/20210103175600/https://www.juvlabs.com/",
          "evidence_kind": "internet_archive"
        }
      ],
      "headline": "Why We're Reimagining a Lifetime.",
      "subhead": "Juvenescence is extending healthy human lifespan through aging research, development of therapies to counter age-related diseases & our ketone ester drink, Metabolic Switch.",
      "from": "2020-10-31T06:35:52.000Z",
      "to": "2021-01-03T17:56:00.000Z",
      "captures": 2,
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      "evidence_kind": "internet_archive",
      "seen": {
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          "to": "2021-01-03T17:56:00.000Z"
        }
      },
      "current": false
    },
    {
      "quote_observed_at": "2022-01-06T08:40:08.000Z",
      "variants": [
        {
          "headline": "Trusted By Customers, Backed By Science",
          "subhead": "Juvenescence is extending healthy human lifespan through aging research, development of therapies to counter age-related diseases & our ketone ester drink, Metabolic Switch.",
          "observed_at": "2022-01-06T08:40:08.000Z",
          "evidence": "https://web.archive.org/web/20220106084008/https://www.juvlabs.com/",
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        }
      ],
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      "to": "2022-01-06T08:40:08.000Z",
      "captures": 1,
      "evidence": "https://web.archive.org/web/20220106084008/https://www.juvlabs.com/",
      "evidence_kind": "internet_archive",
      "seen": {
        "on": "2022-01-06T08:40:08.000Z"
      },
      "current": false
    },
    {
      "quote_observed_at": "2024-07-01T17:03:34.000Z",
      "variants": [
        {
          "headline": "Healthy Aging & Longevity",
          "subhead": "Juvenescence is extending healthy human lifespan through aging research, development of therapies to counter age-related diseases & our ketone ester drink, Metabolic Switch.",
          "observed_at": "2022-07-05T15:05:31.000Z",
          "evidence": "https://web.archive.org/web/20220705150531/https://www.juvlabs.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Juvenescence - Science of Healthy Aging & Extended Lifespan",
          "subhead": "Juvenescence is extending healthy human lifespan through aging research, development of therapies to counter age-related diseases & our ketone ester drink, Metabolic Switch.",
          "observed_at": "2023-01-02T03:48:09.000Z",
          "evidence": "https://web.archive.org/web/20230102034809/https://juvlabs.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Juvenescence - Extending Healthy Lifespan",
          "subhead": "Juvenescence is extending healthy human lifespan through aging research, development of therapies to counter age-related diseases & our ketone ester drink, Metabolic Switch.",
          "observed_at": "2024-01-01T20:29:48.000Z",
          "evidence": "https://web.archive.org/web/20240101202948/https://juvlabs.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Juvenescence - Extending Healthy Lifespan",
          "subhead": "Juvenescence is extending healthy human lifespan through aging research, development of therapies to counter age-related diseases & our ketone ester drink, Metabolic Switch.",
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          "evidence": "https://web.archive.org/web/20240701170334/https://juvlabs.com/",
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        }
      ],
      "headline": "Juvenescence - Extending Healthy Lifespan",
      "subhead": "Juvenescence is extending healthy human lifespan through aging research, development of therapies to counter age-related diseases & our ketone ester drink, Metabolic Switch.",
      "from": "2022-07-05T15:05:31.000Z",
      "to": "2024-07-01T17:03:34.000Z",
      "captures": 4,
      "evidence": "https://web.archive.org/web/20240701170334/https://juvlabs.com/",
      "evidence_kind": "internet_archive",
      "seen": {
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          "to": "2024-07-01T17:03:34.000Z"
        }
      },
      "current": false
    },
    {
      "quote_observed_at": "2026-11-06T17:28:16.780Z",
      "variants": [
        {
          "headline": "Biotech Company - Juvenescence",
          "subhead": "We extend healthy lifespan through developing innovative medicines that target core aging mechanisms to not only treat but prevent age-related diseases.",
          "observed_at": "2025-01-02T20:28:23.000Z",
          "evidence": "https://web.archive.org/web/20250102202823/https://juvlabs.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Biotech Company - Juvenescence",
          "subhead": "We extend healthy lifespan through developing innovative medicines that target core aging mechanisms to not only treat but prevent age-related diseases.",
          "observed_at": "2026-01-02T23:55:15.000Z",
          "evidence": "https://web.archive.org/web/20260102235515/https://juvlabs.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Biotech Company - Juvenescence",
          "subhead": "We extend healthy lifespan through developing innovative medicines that target core aging mechanisms to not only treat but prevent age-related diseases.",
          "observed_at": "2026-07-16T04:56:59.000Z",
          "evidence": "https://web.archive.org/web/20260716045659/https://juvlabs.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Biotech Company - Juvenescence",
          "subhead": "We extend healthy lifespan through developing innovative medicines that target core aging mechanisms to not only treat but prevent age-related diseases.",
          "observed_at": "2026-11-06T17:28:16.780Z",
          "evidence": "https://juvlabs.com/",
          "evidence_kind": "live_capture"
        }
      ],
      "headline": "Biotech Company - Juvenescence",
      "subhead": "We extend healthy lifespan through developing innovative medicines that target core aging mechanisms to not only treat but prevent age-related diseases.",
      "from": "2025-01-02T20:28:23.000Z",
      "to": "2026-11-06T17:28:16.780Z",
      "captures": 4,
      "evidence": "https://juvlabs.com/",
      "evidence_kind": "live_capture",
      "seen": {
        "between": {
          "from": "2025-01-02T20:28:23.000Z",
          "to": "2026-11-06T17:28:16.780Z"
        }
      },
      "current": true
    }
  ],
  "changes": [
    {
      "n": 1,
      "id": "page-d4bd9e58ccc46ff2118a1506bd49a03e14b58547a32641dff9d8c6ec3d7ebecb:75da4e399318e12273ca13003595e78639ebf276a1eaf3749b58596155222a3d:headline:5e02acc5273e0456",
      "before_evidence": "https://web.archive.org/web/20210103175600/https://www.juvlabs.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "headline",
      "label": "Headline",
      "summary": "Changed its homepage headline from “Why We're Reimagining a Lifetime.” to “Trusted By Customers, Backed By Science”.",
      "between": {
        "from": "2021-01-03T17:56:00.000Z",
        "to": "2022-01-06T08:40:08.000Z"
      },
      "evidence": "https://web.archive.org/web/20220106084008/https://www.juvlabs.com/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": null
    },
    {
      "n": 2,
      "id": "page-d4bd9e58ccc46ff2118a1506bd49a03e14b58547a32641dff9d8c6ec3d7ebecb:75da4e399318e12273ca13003595e78639ebf276a1eaf3749b58596155222a3d:gtm:71fb5032b8ee999a",
      "before_evidence": "https://web.archive.org/web/20210103175600/https://www.juvlabs.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "gtm",
      "label": "Go-to-market",
      "summary": "Closed its waitlist and opened sign-up.",
      "between": {
        "from": "2021-01-03T17:56:00.000Z",
        "to": "2022-01-06T08:40:08.000Z"
      },
      "evidence": "https://web.archive.org/web/20220106084008/https://www.juvlabs.com/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": "https://startuphistory.org/t/opened-sign-up"
    },
    {
      "n": 3,
      "id": "page-75da4e399318e12273ca13003595e78639ebf276a1eaf3749b58596155222a3d:fc2ca1604041ddde2064586d94532cbe9a16c987da4ffca370485d081d5bf9ba:headline:dc2a7bf687a88bb2",
      "before_evidence": "https://web.archive.org/web/20220106084008/https://www.juvlabs.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "headline",
      "label": "Headline",
      "summary": "Changed its homepage headline from “Trusted By Customers, Backed By Science” to “Healthy Aging & Longevity”.",
      "between": {
        "from": "2022-01-06T08:40:08.000Z",
        "to": "2022-07-05T15:05:31.000Z"
      },
      "evidence": "https://web.archive.org/web/20220705150531/https://www.juvlabs.com/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": null
    },
    {
      "n": 4,
      "id": "page-75da4e399318e12273ca13003595e78639ebf276a1eaf3749b58596155222a3d:fc2ca1604041ddde2064586d94532cbe9a16c987da4ffca370485d081d5bf9ba:investors:2bea65b45b2bb47b",
      "before_evidence": "https://web.archive.org/web/20220106084008/https://www.juvlabs.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "investors",
      "label": "Investors",
      "summary": "Now shows investor logos: Dr. Greg Bailey, Jim Mellon, Dr. Dec Doogan and Science microscope.",
      "between": {
        "from": "2022-01-06T08:40:08.000Z",
        "to": "2022-07-05T15:05:31.000Z"
      },
      "evidence": "https://web.archive.org/web/20220705150531/https://www.juvlabs.com/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": "https://startuphistory.org/t/added-investor-logos"
    },
    {
      "n": 5,
      "id": "page-1639a6452622e47156dd9026f8d0df54e9dd4a12f7e1af62914a811884c1249b:2595afb9a2e6c056684839ec39015b787533839dfabe74ac1ac334afe16f1cb2:headline:fe6fa4231c485115",
      "before_evidence": "https://web.archive.org/web/20240701170334/https://juvlabs.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "headline",
      "label": "Headline",
      "summary": "Changed its homepage headline from “Juvenescence - Extending Healthy Lifespan” to “Biotech Company - Juvenescence”.",
      "between": {
        "from": "2024-07-01T17:03:34.000Z",
        "to": "2025-01-02T20:28:23.000Z"
      },
      "evidence": "https://web.archive.org/web/20250102202823/https://juvlabs.com/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": null
    }
  ],
  "update": {
    "headline": "Juvenescence updates branding and shows named investor logos",
    "summary": "Juvenescence has changed its homepage headlines several times and now displays specific investor logos, and it also closed its waitlist and opened sign-up.",
    "points": [
      {
        "text": "Between January 2021 and January 2022, Juvenescence changed its homepage headline from “Why We're Reimagining a Lifetime.” to “Trusted By Customers, Backed By Science”.",
        "kind": "fact",
        "changes": [
          1
        ]
      },
      {
        "text": "Between January 2021 and January 2022, Juvenescence closed its waitlist and opened sign-up.",
        "kind": "fact",
        "changes": [
          2
        ]
      },
      {
        "text": "Between January 2022 and July 2022, Juvenescence changed its homepage headline to “Healthy Aging & Longevity” and began showing investor logos for Dr. Greg Bailey, Jim Mellon, Dr. Dec Doogan and Science microscope.",
        "kind": "fact",
        "changes": [
          3,
          4
        ]
      },
      {
        "text": "Between July 2024 and January 2025, Juvenescence changed its homepage headline from “Juvenescence - Extending Healthy Lifespan” to “Biotech Company - Juvenescence”.",
        "kind": "fact",
        "changes": [
          5
        ]
      }
    ],
    "written_at": "2026-11-07T21:05:40.493Z",
    "basis": "ai_analysis",
    "model": "gpt-5.1-2025-11-13"
  },
  "method": {
    "version": "messaging-v1",
    "description": "https://startuphistory.org/method"
  },
  "license": "CC-BY-4.0",
  "cite": "StartupHistory, “Juvenescence” company record, https://startuphistory.org/c/juvlabs.com"
}