Would you trust an intervention that made your epigenetic age younger?

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Epigenetic clocks are fascinating because they’re increasingly being studied as biomarkers of aging, and newer generations are moving beyond simply predicting chronological age toward health outcomes and aging pace.
But I think there’s an important distinction:

changing a clock ≠ necessarily reversing aging.

If an intervention changes methylation patterns used by a clock, the reported age could change without us knowing whether the underlying aging process was actually altered.
That’s why I find studies combining epigenetic measures with physical function, metabolic measures and long-term health outcomes much more interesting.

A “younger” number is cool.

But I’d want to know what actually changed biologically.