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Megalabs Prunelax: 30% improvement in ROAS and expansion to new retail media channels

Megalabs is a pharmaceutical laboratory with regional presence across Latin America. Its flagship brand, Prunelax, competes in the natural laxative segment across pharmacies, retail chains, and e-commerce platforms. We partnered with their team to strengthen their paid media strategy, improve efficiency on Amazon Ads, and open new retail media channels in the United States market.

30%improvement in Amazon Ads ROAS
3new product launches in the United States focused on specific regions
+5new channels added to the strategy: Walmart Ads, CVS Ads, Instacart Ads, Teads and TikTok

The challenge

Megalabs needed to scale Prunelax sales on two fronts simultaneously: sustaining and improving the efficiency of existing Amazon Ads campaigns, while expanding the brand's presence into new markets and channels within the United States.

  • The media strategy was concentrated in a small number of channels, limiting reach at key retail touchpoints such as Walmart, CVS and Instacart.
  • New product launches required precise geographic segmentation to maximize relevance in regions with the highest consumption potential.

Our approach

We worked in parallel on the efficiency of existing accounts and the activation of new channels, with a campaign structure adapted to the retail media ecosystem in the United States.

  1. 01

    Amazon Ads optimization

    We reviewed campaign structure, product-level targeting, and bid strategies to improve the relationship between spend and return. Sustained adjustment of key variables resulted in a 30% improvement in ROAS.

  2. 02

    Regionally focused product launches

    For the three new product launches in the United States, we designed campaigns with specific geographic segmentation, prioritizing regions with stronger category affinity and closer alignment with Prunelax's target consumer profiles.

  3. 03

    Expansion to new retail media channels

    We added five channels to the strategy: Walmart Ads, CVS Ads, Instacart Ads, Teads and TikTok. Each channel was activated with creatives and messaging adapted to the purchase context and the format of the medium.

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