Health and wellness brands depend on the second, third, and tenth order. Supplements run out, subscriptions renew, and every replenishment window is a chance to keep a customer or lose one. Email and SMS are where most of that retention happens, and the agency running them shapes how much revenue a subscription base produces. YOCTO is our top pick for subscription-first health and wellness brands. It is a Klaviyo Elite Partner, a Recharge Premier Partner, and a Loop Platinum Partner, more than 90% of its clients run subscriptions, and its client list includes Healf, Mira, Elavate, Primal Viking, Froya Organics, and Miracare.

This guide ranks ten agencies on health and wellness experience, subscription depth, platform credentials, and published results. For agencies outside the wellness category, see our guide to the best Klaviyo retention agencies.

Why Health and Wellness Brands Need an Email Retention Agency

Repeat purchases carry the economics of a health and wellness brand. Acquisition costs keep rising, and a supplement customer who orders once rarely covers what it cost to win them. The profit sits in the reorder, the subscription renewal, and the upgrade to a larger bundle. A specialist retention agency builds the flows, campaigns, and subscription journeys that produce those orders, and it knows how to write for a category where every product claim needs support.

Common Retention Problems That Signal the Need for an Agency

• Replenishment timing is guesswork. Customers run out of product before a reminder arrives, or get reminded weeks too early. A good agency times flows to actual consumption cycles by product and pack size.

• Subscribers cancel at predictable points. Churn clusters around the second and third shipment and around failed payments. Agencies with subscription depth build cancel-save offers, dunning flows, and winback sequences for each of those moments.

• Loyalty data never reaches the inbox. Points balances, VIP tiers, and subscription milestones sit in a loyalty system while email and SMS go out without them. Members respond to messages that reflect what they have earned.

• Health claims slow everything down. Copy that implies results without substantiation creates risk under FTC guidance, which covers implied claims and testimonials. Experienced wellness agencies build review steps into production so campaigns still ship on schedule.

• Email revenue has plateaued. A Klaviyo account built years ago with a handful of flows leaves revenue on the table. Agencies audit flows, segmentation, and deliverability, then rebuild around current customer data.

What to Look for in a Health and Wellness Email Retention Agency

The strongest agencies for this category pair verified platform credentials with named wellness clients and real subscription work. Use the capabilities below to compare proposals on substance rather than service labels.

Core Capabilities to Evaluate

• Health and wellness case studies. Ask for supplement, wellness, or health tech examples that show the starting point, the work delivered, and the result over a defined period.

• Subscription ownership. Look for agencies that build cancel flows, failed-payment recovery, subscription offers, and portal experiences in Recharge, Loop, or Skio, not just emails triggered by subscription events.

• Verified partner tiers. Klaviyo Elite Master is the top tier of Klaviyo's partner program and is listed in Klaviyo's public directory. Recharge and Loop publish their own partner tiers.

• Claims review built into production. Ask who approves health-related copy and testimonials, and how substantiation is documented for each claim.

• Loyalty-aware messaging. The agency should use points, tiers, rewards, and subscription milestones from your loyalty system to personalize flows.

• Clear measurement and terms. Agree on attribution windows, cohort LTV definitions, reporting cadence, deliverables, and fees before signing.

How Health and Wellness Brands Use Email Retention Agencies

The best results come from agencies that treat email and SMS as one part of a retention system that also includes subscriptions and loyalty. These examples show how leading wellness brands put that into practice.

1. Building lifecycle automation at scale. YOCTO built 85 Klaviyo flows for Mira, the at-home fertility monitor. Klaviyo's case study reports a 252% increase in email and SMS revenue over six months, with automated flows producing 50% of that revenue.

2. Rewarding subscription milestones. At Boujee Hippie, YOCTO and Bubblehouse connected Recharge subscriptions, Klaviyo flows, and the Bubblehouse loyalty system to reward members at their third and sixth subscription orders, the points where subscribers most often drop off.

3. Turning loyalty events into messages. Flowium built points reminders, points expiration alerts, birthday messages, referral flows, and VIP tier notifications for Legendairy Milk. Paired with Bubblehouse points on subscription starts and one-click redemption on Recharge orders, the brand saw a 32% higher subscription conversion rate.

4. Saving subscribers at cancellation. MegaFood shows Bubblehouse loyalty balances inside its subscription cancellation flow, so members see the points they would leave behind and can redeem them on their next shipment with one click.

5. Personalizing subscription journeys with customer feedback. Growth Gurus used survey data to personalize messaging for women's health brand Happy V, reporting 19% higher recurring subscription sales, 7% higher recurring order value, and 65% longer subscription duration.

6. Pairing education with segmentation. Fuel Made combined educational content, segmentation, and list hygiene for supplement brand Smidge, reporting 194% higher holiday email campaign revenue and 182% more campaign orders.

Comparison: Top Health and Wellness Email Retention Agencies

Top 10 Health & Wellness Email Retention Agencies in 2026

1. YOCTO

Best for: Subscription-first health and wellness brands with $5M to $150M in annual revenue.

YOCTO is a retention agency built for DTC and subscription brands, and it is the most complete choice on this list for health and wellness. It holds Klaviyo Elite Partner status (Elite Master, listed in Klaviyo's partner directory), is a Recharge Premier Partner, and is a Loop Platinum Partner. More than 90% of its clients run subscription models, and its health and wellness roster includes Healf, Mira, Elavate, Primal Viking, Froya Organics, and Miracare. YOCTO owns the full retention side of a subscription business: offers and plan structure, cancel flows and dunning, cohort LTV analysis, and the Klaviyo email and SMS that carry it out.

Key Features

• Klaviyo email and SMS: Lifecycle strategy, advanced flows, campaigns, copy, design, segmentation, and RFM analysis.

• Subscription retention: Cancel-flow and dunning optimization, subscription offers, frequency design, portal upsells, and swaps.

• Platform depth: Work across Recharge, Loop, Skio, Smartrr, Postscript, and Attentive.

• Analytics: Cohort LTV and payback analysis, churn modeling, and structured A/B testing.

Health & Wellness Email Retention Offerings

YOCTO's results with Mira are a benchmark for the category: 85 Klaviyo flows, a 252% increase in email and SMS revenue in six months, and automated flows producing half of that revenue. At Boujee Hippie, YOCTO runs Klaviyo strategy and triggered email and SMS using loyalty triggers and properties from Bubblehouse, rewarding members at subscription milestones.

Pricing

Retention audits start around $1,000, and full retention retainers start around $10,000 per month, scoped to account complexity.

Pros

• Klaviyo Elite, Recharge Premier, and Loop Platinum partner status.

• More than 90% of clients run subscriptions, with deep cancel-flow and dunning expertise.

• Named health and wellness clients and a Klaviyo-published case study.

Cons

• Focused on brands at $5M to $150M in revenue, so very early-stage brands may be below its fit.

• Retainer pricing reflects a full retention team rather than campaign production alone.

2. Flowium

Best for: Wellness brands that want full-service email and SMS execution with loyalty-driven flows.

Flowium is a Klaviyo Elite Master agency that handles setup, campaign planning, copy, design, testing, and SMS. It is a Bubblehouse partner agency with strong health and wellness work.

Key Features

• Full-service Klaviyo email and SMS management.

• Campaign planning, copywriting, and design in-house.

• Technical maintenance and ongoing testing.

Health & Wellness Email Retention Offerings

For Legendairy Milk, Flowium built points reminders, points expiration alerts, birthday messages, referral flows, and VIP tier notifications on top of the Bubblehouse loyalty system and Recharge, contributing to a 32% higher subscription conversion rate. Flowium also reports 482% email revenue growth over five months for a family supplement brand.

Pricing

Custom retainer based on scope.

Pros

• Proven loyalty-integrated email and SMS work with Bubblehouse.

• Multiple published health and wellness case studies.

Cons

• Brands needing deep subscription-platform changes should confirm that scope up front.

3. Growth Gurus

Best for: Wellness brands that want personalized subscription journeys informed by customer feedback.

Growth Gurus is a Klaviyo Elite Master retention agency covering email, SMS, customer journey mapping, list growth, A/B testing, and reviews and loyalty integrations.

Key Features

• Customer journey mapping and personalized lifecycle flows.

• Reviews and loyalty integrations within Klaviyo.

• List growth and structured A/B testing.

Health & Wellness Email Retention Offerings

For women's health brand Happy V, Growth Gurus used survey data from Okendo to personalize messaging and loyalty-triggered flows, reporting 19% higher recurring subscription sales, 7% higher recurring order value, and 65% longer subscription duration.

Pricing

Custom retainer based on scope.

Pros

• Strong subscription outcomes in a named wellness case study.

• Experience connecting loyalty and reviews data to Klaviyo flows.

Cons

• Fewer published examples of hands-on work inside subscription billing platforms.

4. Journeywise

Best for: Shopify and Shopify Plus wellness brands that want senior-led, retention-only email and SMS support.

Journeywise is a certified Klaviyo partner and Recharge partner focused only on retention marketing for DTC brands in health, wellness, supplements, beauty, and pet nutrition.

Key Features

• Klaviyo flows, campaigns, capture forms, deliverability, and account audits.

• Subscription lifecycle flows covering renewal reminders, failed payment recovery, downsell offers before cancellation, and winback.

• Strategy, copy, design, builds, and testing handled by senior staff.

Health & Wellness Email Retention Offerings

Journeywise builds flows around the subscription lifecycle rather than single purchases, with a focus on keeping subscribers from leaving in the first place.

Pricing

Package-based pricing, with additional emails billed at $150 to $250 each depending on package.

Pros

• Retention-only focus with senior-led delivery.

• Clear subscription lifecycle approach for Shopify brands.

Cons

• Fewer published health and wellness case studies than the agencies ranked above it.

5. Chronos Agency

Best for: Wellness brands that want multichannel lifecycle marketing across email, SMS, push, and direct mail.

Chronos Agency is a Klaviyo Elite Master agency covering lifecycle strategy, segmentation, deliverability, and testing across several channels.

Key Features

• Email, SMS, push, and direct mail under one strategy.

• Segmentation, deliverability, and testing.

Health & Wellness Email Retention Offerings

Chronos works with health and wellness brands including Organifi and TheraICE. For Organifi, it reports a 234% increase in email revenue and a 75% increase in flow conversion over six months.

Pricing

Custom retainer based on channels and scope.

Pros

• Broad multichannel capability.

• Named wellness clients with published results.

Cons

• Subscription-platform work should be scoped separately from messaging.

6. Hustler Marketing

Best for: Supplement brands that want done-for-you email and SMS with a dedicated team.

Hustler Marketing is a Klaviyo Elite Master agency that assigns each client an account manager, designer, copywriter, and technical specialist.

Key Features

• Done-for-you email and SMS management.

• Dedicated creative, account, and technical roles.

Health & Wellness Email Retention Offerings

For supplement brand Sunwarrior, Hustler Marketing reports monthly email revenue growing from $81K to more than $210K over three years, with email's share of store revenue rising from 28% to 49%.

Pricing

Custom retainer based on scope.

Pros

• Long-term supplement client results.

• Clear team structure for execution.

Cons

• Less emphasis on subscription-platform optimization.

7. SmartBug Media

Best for: Wellness brands that want retention inside a broader marketing and revenue operations engagement.

SmartBug Media is a Klaviyo Elite Master agency whose services span marketing, sales, revenue operations, eCommerce, and integrations.

Key Features

• Retention marketing alongside RevOps and integrations.

• Lifecycle flows, bundles, and post-purchase messaging.

Health & Wellness Email Retention Offerings

SmartBug works with Vitauthority and reports, for a collagen supplement brand, 90% higher total email revenue, 34% higher flow revenue per recipient, and email's share of revenue rising from 20% to 30%.

Pricing

Custom pricing based on engagement scope.

Pros

• Supplement experience plus broad marketing services.

Cons

• A wider remit than brands looking for a retention-only partner may need.

8. Fuel Made

Best for: Established Shopify DTC brands at roughly $10M to $50M+ in revenue that want an all-senior team.

Fuel Made is a Klaviyo Elite Master agency with a primarily US-based, all-senior team and experience in nutritional supplements.

Key Features

• All-senior strategy and execution.

• Educational content, segmentation, and list hygiene.

Health & Wellness Email Retention Offerings

For supplement brand Smidge, Fuel Made reports 194% higher holiday email campaign revenue and 182% more campaign orders.

Pricing

Custom retainer based on scope.

Pros

• Senior team on every account.

• Supplement category experience.

Cons

• Works across verticals rather than specializing in health and wellness.

9. Andzen

Best for: Wellness brands that need customer journey automation and technology integration, including loyalty.

Andzen is a Klaviyo Elite Master agency covering customer journey strategy, technology integration, automation, loyalty integration, reviews, and CDP work.

Key Features

• Journey strategy and marketing automation.

• Loyalty, reviews, and CDP integrations.

Health & Wellness Email Retention Offerings

For wellbeing brand ECO. Modern Essentials, Andzen reports a tenfold increase in signups and an eightfold return on investment in the first eight months on Shopify Plus and Klaviyo.

Pricing

Custom pricing based on scope.

Pros

• Strong integration and data capabilities.

• Named wellbeing client results.

Cons

• Fewer published subscription-specific case studies.

10. Lilo Social

Best for: Wellness brands that want subscription retention coordinated with paid media and creative.

Lilo Social is a Klaviyo Elite Master agency offering subscription onboarding, churn reduction, winback, loyalty, and cohort LTV tracking alongside acquisition services.

Key Features

• Subscription lifecycle and churn reduction.

• Paid media and creative under one team.

Health & Wellness Email Retention Offerings

Lilo Social works with Humantra, The Nue Co, and Om Mushrooms. It reports an 8.8x increase in attributed email revenue for SEEQ and a 75% increase in monthly new subscriptions for Animal Protein.

Pricing

Custom pricing based on retention and acquisition scope.

Pros

• Retention and acquisition coordinated by one partner.

• Subscription and loyalty services listed.

Cons

• Brands that only need retention may pay for capabilities they will not use.

Evaluation Framework for Health and Wellness Email Retention Agencies

We ranked agencies on six weighted criteria. Use the same framework to score proposals side by side.

Partner tiers show platform recognition, and case studies show what an agency has delivered. Weigh both together, and ask every finalist for references from brands at your stage.

Why YOCTO Is the Top Email Retention Agency for Health and Wellness Brands

YOCTO leads this list because it combines the strongest platform credentials with the deepest subscription expertise in the category. It is a Klaviyo Elite Partner, a Recharge Premier Partner, and a Loop Platinum Partner, more than 90% of its clients run subscriptions, and it works with health and wellness brands including Healf, Mira, Elavate, Primal Viking, Froya Organics, and Miracare.

Its work goes beyond campaigns into the parts of a subscription business that decide retention: cancel flows, dunning, offers, and cohort LTV analysis. Its results with Mira, a 252% increase in email and SMS revenue in six months, show what that approach produces.

YOCTO also gets the most out of a loyalty system. At Boujee Hippie, Bubblehouse supplies the loyalty triggers, properties, and milestone rewards, and YOCTO turns them into email and SMS that keep subscribers ordering. If you are pairing an agency with loyalty, book a Bubblehouse demo to see how 600+ brands use the Bubblehouse loyalty system to drive repeat purchases.

FAQs About Health and Wellness Email Retention Agencies

What does an email retention agency do for a health and wellness brand?

A retention agency plans and runs the email and SMS that drive repeat purchases: automated flows, campaigns, segmentation, creative, testing, and reporting. For subscription brands, the best agencies also own cancel flows, failed-payment recovery, subscription offers, and cohort LTV analysis. YOCTO, for example, covers all of these across Klaviyo, Recharge, Loop, and Skio.

What are the best email retention agencies for health and wellness brands?

The top agencies for 2026 are YOCTO, Flowium, Growth Gurus, Journeywise, Chronos Agency, Hustler Marketing, SmartBug Media, Fuel Made, Andzen, and Lilo Social. YOCTO is the top pick for subscription-first brands because of its Klaviyo Elite, Recharge Premier, and Loop Platinum partner status and its health and wellness client base.

How much does a health and wellness retention agency cost?

Most retention agencies charge monthly retainers from about $3K to $20K+, depending on scope and brand stage. YOCTO's retention audits start around $1,000, and full retainers start around $10,000 per month. Compare proposals against the same written brief so each quote covers the same work.

Why should supplement brands choose a specialist retention agency?

Supplement and wellness marketing has to handle explicit and implied health claims, testimonials, and substantiation, which FTC guidance requires to be truthful and supported. A specialist agency builds claims review into production and understands replenishment cycles and subscription behavior specific to the category.

What is a Klaviyo Elite Partner?

Klaviyo Elite Master is the top tier of Klaviyo's partner program. Agencies qualify through quantitative requirements and a qualitative review by Klaviyo, and the tier is listed in Klaviyo's public partner directory. YOCTO and most agencies on this list hold it.

Do retention agencies manage Recharge, Loop, and Skio?

Some do. Triggering emails from subscription events is different from owning cancel flows, dunning, offers, and portal experiences inside the subscription platform. YOCTO is a Recharge Premier Partner and Loop Platinum Partner and works directly in those platforms, so ask each agency which parts of your subscription stack it will manage.

How does a loyalty system work with an email retention agency?

A loyalty system such as Bubblehouse supplies points, VIP tiers, rewards, and subscription milestone data, and the agency turns that data into email and SMS. Bubblehouse integrates with Klaviyo, Recharge, Loop, Skio, Stay.ai, and Ordergroove, so agencies like YOCTO and Flowium can trigger messages from member activity in real time.