Ecomm Wizards
Case Studies/Happy Mammoth
Health, Wellness & FitnessShopify Plus | CRO | Subscriptions

Happy Mammoth

How a gut health and hormone balance supplement brand transformed their Shopify Plus store into a subscription engine: rebuilding their product quiz, launching Recharge-powered recurring orders, and adding $28M in annualised subscription revenue.

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Happy Mammoth Shopify store
Key Results
+134%Subscription Revenue GrowthSub Revenue
+61%Increase in Conversion RateConversion Rate
+89%Higher Customer Lifetime ValueLTV

Our customers say

Excellent
Quiz completions convert at 3.8x vs standard PDP
Second-purchase rate: 34% within 45 days
Subscription churn down 29% in Q1
Bundle page add-to-cart rate up 74%
Average subscription order value up 22%
Email revenue share grew from 11% to 31%
The Challenge

High Traffic, Low Loyalty, No Subscription Infrastructure

Happy Mammoth makes gut health and hormone balance supplements for health-conscious consumers who take their wellness seriously. Their content and paid channels drive consistent, high-intent traffic.

When they came to us, almost all of that traffic was converting to one-time purchases. There was no subscription program, no personalized recommendation journey, and email flows that barely touched the surface of what the customer relationship could be. Navigation was getting harder as the product range grew. The team knew the lifetime value was enormous. They just did not have the infrastructure to capture it.

Our Approach

From One-Time Buyers to Long-Term Subscribers

01.

Recharge Subscription Architecture

We built a subscription program that made subscribe-and-save the natural default, not an afterthought buried in small print. Smart in-cart prompts, bundle builders, and pause-vs-cancel flows were all built before launch. Subscription revenue more than doubled within the first quarter.

02.

Goals-Based Product Quiz

Happy Mammoth's 'Find Your Perfect Formula' quiz was rebuilt from the ground up, mapping customer goals (gut health, hormone balance, energy, immunity) to personalized product stacks. Each result fed a dedicated email sequence. Quiz completions converted at 3.8x the rate of standard PDP visitors.

03.

PDP & Bundle Page CRO

Product pages were restructured with clinical study references and social proof above the fold, a subscribe-vs-one-time toggle defaulting to subscription, and bundle pages with real-time savings calculators. Add-to-cart rate on PDPs rose 74% within six weeks of the redesign.

04.

Klaviyo Retention & Win-Back Flows

Eight new Klaviyo flows were built: subscription pause alternatives, loyalty milestone emails, and a 90-day win-back sequence. Churn dropped 29% in Q1. The post-purchase series drove a 34% second-purchase rate within 45 days of the first order.

The Work

Inside the Happy Mammoth Build

Subscription architecture, quiz rebuild, and PDPs engineered for LTV.

Happy Mammoth design 1
Happy Mammoth design 2
Happy Mammoth design 3
Happy Mammoth design 4

The Results

Monthly subscription revenue grew from $483k to $1.1M, a 134% increase driven by the Recharge build, quiz funnel, and retention flows. Conversion rate climbed from 1.9% to 3.1%, 12-month LTV nearly doubled from $110 to $208, and subscription churn dropped 29% in the first quarter alone. The unit economics of the business changed fundamentally.

+134%

Subscription Revenue

$483k/mo$1.1M/mo

+61%

Conversion Rate

1.9%3.1%

+89%

Customer LTV (12-mo)

$110$208

-29%

Subscription Churn

14.2%10.1%

Quiz completions convert at 3.8x vs standard PDP
Second-purchase rate: 34% within 45 days
Subscription churn down 29% in Q1
Bundle page add-to-cart rate up 74%
Average subscription order value up 22%
Email revenue share grew from 11% to 31%
Quiz completions convert at 3.8x vs standard PDP
Second-purchase rate: 34% within 45 days
Subscription churn down 29% in Q1
Bundle page add-to-cart rate up 74%
Average subscription order value up 22%
Email revenue share grew from 11% to 31%
Apps & Tools Used
Shopify Plus
Recharge
Klaviyo
Rebuy

We had the traffic and we had the product. What we didn't have was a store engineered for retention. Ecomm Wizards rebuilt the quiz, launched subscriptions properly, and the LTV numbers tell the rest of the story.

Matthew Murphy

Matthew Murphy

CEO & Founder, Happy Mammoth

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