The retention marketing agency for supplement brands.
Replenishment timing, subscriptions and the second order, run across email, SMS and direct mail, and measured on repeat revenue.
It starts with a conversation about your brand. If there's a fit, we run a full diagnostic on your engine and show you exactly where revenue is leaking.
"Our programme has improved significantly since working with them. Retention has improved, our subscribers are more engaged, and we're seeing real commercial impact from the channel."
Adam Oxley · Co-Owner, Discount Supplements
The short version
Everboost is a UK retention marketing agency for DTC supplement brands. We run email, SMS, direct mail and subscription lifecycle marketing in Klaviyo, Loop, Skio and Recharge, built around how supplement customers actually reorder, and measured on returning-customer revenue, first-to-second purchase rate and subscriber retention.
Why is supplement retention different?
The product runs out on a clock. A tub of protein or a month of capsules gives every customer a reorder date, so the message that matters most is the one that lands a few days before it. Supplement customers also drop off in a predictable place: after the first order, before taking the product has become a habit. Get the second order and the routine usually follows.
So the work is mostly timing, offers and subscriptions, set up to support each other. We read the order data before we touch Klaviyo: the gaps between orders tell you when to send, and what customers buy second tells you what to send.
What we usually find in a supplement account
We read a supplement brand's retention three ways: when customers reorder, why they stay or go, and what they buy next. Most accounts have a gap in each.
- When they reorder
Reminders timed to the label
A 60-capsule tub gets a day-55 reminder, but the order data shows most customers take longer, or shorter, than the label says. The reminder lands early or after they have bought elsewhere.
- Why they stay or go
A subscription that only discounts
Ten percent off is the only reason to subscribe, so subscribers cancel the moment a bigger code appears anywhere.
- What they buy next
The same product, every time
Post-purchase flows push a repeat of order one, when many second orders are a different product.
What we build for supplement brands
- Replenishment timed from your data. Reorder flows and reminders set from the real gap between orders for each product.
- A second-order journey. For PhycoHealth, 62% of second orders were a different product, so the lifecycle sequences the next product rather than repeating the first.
- Subscriptions that are worth staying on. Offers, onboarding and cancel flows on Loop, Skio or Recharge that keep subscribers past month two. More on our subscription retention work.
- Campaigns that sell without over-discounting. Launches, education and offers across email and SMS, planned as a calendar rather than a weekly blast.
- Direct mail for customers email cannot reach. PhycoHealth's direct mail pilot paid for itself around 2.3 times.
What results have supplement brands seen?
+160%returning customers in eight months, with subscription revenue up 118%Read the full story → 
+227%subscription orders in year one, with discount per order down 33%Read the full story → 
+94%revenue for Vedic Lab, with time to reorder cut from 69 to 39 daysSee all case studies → We also run retention for a UK electrolytes brand, where the subscription save rate rose from 9% to 35% and payment recovery from 48% to 87%. The full story is on the case study.
Who do we work with, and who don't we?
We keep the portfolio deliberately selective, and every brand in it fits one of two profiles.
The growth brand with a leak
£2m-£50m DTC health and wellness brands with strong paid acquisition and underworked retention: first-time buyers who never come back, a list that grows faster than it converts, revenue that feels like it resets to zero every month.
The plan and subscription model
Brands whose economics live or die on recurring terms: the first order is priced to acquire, and the business is decided by activation, renewal and the end-of-term moment. Often custom or complex stacks that standard tooling doesn't fit.
Who we don't take
Brands stuck under seven figures with no clear growth path, where the maths of senior attention doesn't pay back. Brands that want a volume vendor: more sends, platform-attributed applause. And brands that won't share commercial data, because we can't own a number we're not allowed to see.
Everboost also works across health and wellness more broadly, including skincare and functional drinks.
Where to start
The diagnostic comes first.
It starts with an intro call, a consultative conversation about your brand. If there is a fit, we run a full diagnostic of your retention engine and you get:
- 01
Customer data, read properly
How your customers actually reorder: the gaps, the cohorts, and who is worth keeping, winning back or letting go.
- 02
Every message reviewed
A flow-by-flow and campaign review of everything currently running, and what each piece is doing to revenue.
- 03
Subscriptions and the offer
The programme mechanics and whether customers have a reason to come back that is not a bigger discount.
- 04
The findings, ranked
What each leak is costing you and the first lever to pull. Yours to keep whether we work together or not.
Frequently asked questions
What is the best retention marketing agency for supplement brands?
The best fit is an agency that works mainly with supplement and wellness brands, runs subscriptions and replenishment as well as email and SMS, and publishes results with a baseline and a time window. Everboost is a UK retention marketing agency built around health and wellness DTC brands, with published supplement results such as PhycoHealth's returning customers up 160% in eight months and Discount Supplements' subscription orders up 227%.
Is Everboost an email marketing agency or a CRM agency for supplement brands?
Both, in the sense supplement founders usually mean. We run email and SMS campaigns and flows in Klaviyo, and the customer data, segmentation and lifecycle work underneath them that a CRM agency would cover. We call it retention because the job is measured on repeat orders and subscription revenue.
Which subscription apps do you run for supplement brands?
Loop, Skio and Recharge, connected to Klaviyo and Shopify, so lifecycle messages trigger off real subscription events: upcoming orders, skips, failed payments and cancellations.
How do you handle health claims in supplement emails?
We work from each brand's approved claims and the phrases it cannot use, and check copy against them before the client sees it. Where a brand has no claims list yet, we build one with them before writing.
What results should a supplement brand expect from retention work?
Quick fixes such as flow gaps and deliverability usually land in the first month or two. Repeat purchase and subscription churn take a full reorder cycle to show, so judge the work over a quarter, on returning-customer revenue, first-to-second purchase rate and subscriber retention.
Do you work with supplement brands in the US and Australia?
Yes. Everboost is based in the UK and works with supplement and wellness brands in the UK, US and Australia, including PhycoHealth in Australia.