Sample teardown · Functional coffee

MUD\WTR's own split test already told them what wins. Half their ads ignore it.

A gap audit I ran on a brand I don't work with, reading their public ad library to see what they've proven — and haven't acted on.

Source · Meta Ad Library (US) IDs + start dates as receipts Pulled Jul 2026
The setup

This isn't client work.

Everything here is public. I read MUD\WTR's live ad library the way I would for a brand that hired me, and the receipts — ad IDs and launch dates — are all sitting in the library for anyone to check. No inside data, no claim about their private numbers.

What they're running

A disciplined account with one live experiment.

MUD\WTR runs a tight operation: one tested block of primary text with many creatives behind it. Two versions of the bullet stack have run side by side since the same day — 4 February 2026 — which makes the pair a live A/B that's now survived months. The only line that really differs is the mushroom bullet:

Variant Athe adjective
🍄 “Rich in Functional Mushrooms”
IDs 1187365683594354 · 1917969452261412 · 859102290285252
Variant Bthe number
🍄 “2,240 mg of Mushrooms Per Serving”
IDs 1385311936727935 · 3226209410904037 · 1635392748587780

// both launched 4 Feb 2026 · verbatim from the library

The finding

Look at which one they kept scaling.

Every newer launch in the pull — May, then July — uses Variant B, the concrete number. When a brand keeps putting fresh spend behind one version of a live test, that's the version winning. Their own money is saying the specific number beats the adjective.

There's a smaller tell in the same pull that says the same thing: the review count in the ad descriptions climbs from 40K to 50K to 60K while some body copy still reads “40K” — the wrapper keeps getting refreshed, the tested text underneath doesn't. This account respects what's working.

So the lesson is already sitting in their account: numbers beat adjectives. They've just only applied it in one place — the mushroom dose. Variant A is still live, still leading with the adjective.

What I'd test

Take the move that already won, and point it at doubt.

Competitors are hammering MUD\WTR in the same ad library on three things: sediment, “it's basically just chai,” and the subscription trap. Those are the objections costing the sale — and they're being answered, when they're answered at all, with adjectives.

The recommendation

Run the move their own A/B already won — a concrete number instead of an adjective — at the objections, not just the mushroom count. Put a real figure and a demonstration on sediment and on cost-per-cup, in a proof-led creative.

Lever · number beats adjective (their A/B) Target · the objections, not the dose Format · proof / demonstration
The limits

What this read can and can't see.

Public library only. I can see which variant they chose to scale — I can't see the actual performance numbers behind that choice, so “Variant B is winning” is a well-supported inference from where the spend went, not a figure off their dashboard. Video ad scripts aren't captured in a text pull, so this reads primary text and metadata. On the real account, the first thing I'd do is confirm the read against the numbers they can actually see.

Your brand, not MUD\WTR's

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