What if dogs could live longer and healthier lives? Loyal’s Celine Halioua has raised $135 million from top investors to develop canine longevity pills—and expects to get her first conditional approval from the FDA next year.

D ogs don’t live long enough. The family Lab might make it to 14; bigger beasts like Bernese mountain dogs are lucky to see 9. Celine Halioua thinks they deserve a few more years. A scientist, Oxford Ph.D. dropout and former chief of staff at the first venture capital fund focused on longevity-related biotechs, she has spent the last nearly six years building Loyal, a San Francisco startup developing drugs to delay canine aging by targeting metabolic and hormonal imbalances before they become disease. The company’s first beef-flavored longevity pill could hit the

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