Build your supplement brand with the right people around you
Every application is reviewed personally. Membership is subject to application and approval
Apply to Join The Formula+
The Formula+ is a product of CJK Sourcing+.
Stop Guessing.
Start Building Properly.
The Formula+ is the private supplement founder community for people launching serious supplement brands. Get direct access to the operators, experts, and industry relationships that help you build right from day one.
UK, EU & US compliant manufacturing
Amazon, DTC & retail-ready builds
Built by operators, not consultants
Human & pet supplement specialists
Vetted manufacturers across 3 markets
End-to-end brand development
UK, EU & US compliant manufacturing
Amazon, DTC & retail-ready builds
Built by operators, not consultants
Human & pet supplement specialists
Vetted manufacturers across 3 markets
End-to-end brand development
UK, EU & US compliant manufacturing
Amazon, DTC & retail-ready builds
Built by operators, not consultants
Human & pet supplement specialists
Vetted manufacturers across 3 markets
End-to-end brand development
The Problem
You want to build a supplement brand, but you're not sure how.
The supplement industry rewards people who know how it works. Most first-time founders learn that the hard way. The Formula+ online community for supplement brand founders exists so you don't have to.
Perfect if you're just starting out.
You don't need an existing supplement brand or industry experience. We'll help you build it right from day one.
Learn from people actually doing it.
Everyone inside The Formula+ is actively building supplement brands right now, not teaching from a textbook.
Leave every session with a clear next step.
No fluff. Practical actions you can implement straight away
“Build your supplement brand the right way, without the expensive mistakes.”
What your month looks like
Real sessions. Real operators. Real answers.
As a member, you get access to live expert calls, trend intelligence, compliance workshops, and growth sessions, led by specialists actively building supplement brands.
Live expert-led calls every month
Direct access to operators and specialists actively
working in the supplement industry.
Monthly Trend Watch sessions
Emerging categories, trending ingredients, and
whitespace opportunities before they get saturated.
Live product research sessions
See exactly how to evaluate ingredients, benchmark
competitors, and stress-test a formula concept.
Compliance & claims workshops
US, UK & EU guidance, packaging pitfalls, and claims risk
- explained commercially, not academically.
Meta, TikTok, Instagram & Klaviyo
Dedicated forum spaces and live sessions taught by specialists actively spending on these platforms right now.
Private founder community
Accountability, implementation support, and full session recordings and archives.
"3 months into my membership I launched my first product, and did over 6K in sales in the first three weeks with ZERO ad spend."
Javier T. Formula Founding Member
Every Session Is a Shortcut.
Each live call is led by someone actively operating in the supplement industry, not a consultant recycling old slides. You come with questions, you leave with answers you can act on the same week. Every session is recorded and archived so you never miss a thing.
Inside The Formula+
Everything you need to build a serious brand from day one.
Four core pillars - each run by specialists who've done this before, in the markets you're building for.
VIP+ MEMBERSHIP
Want to fast-track your brand launch?
Get direct access to experienced operators who help supplement brands launch faster, avoid costly mistakes, and build properly from day one.
Book a call to talk about your project.
Ongoing retainer, scoped around what you need
Book a free discovery callThe Formula VIP
Formerly CJK Sourcing
Work directly with the team behind 300+ supplement brands across the UK, EU and US. From brand/product concept to formulation, manufacturer sourcing, compliance, and brand design (ongoing retainer based on project scope).
Formulation
Product concept to spec
Manufacturer Sourcing
Vetted factory network
Compliance
UK, EU & US markets
Brand Design
Identity & packaging
What founders say...
The people in your corner
Not consultants. Operators.
Founder, The Formula+
Cat King
300+ supplement brands built. Background in technical sales and leadership with deep expertise across formulation, manufacturer sourcing, regulatory positioning, Amazon, DTC growth, branding, and go-to-market strategy. The Formula+ was built because founders needed more than scattered advice. They needed a room.
300+
brands built
UK/EU/US
markets covered
Human/pet
supplement specialist
Meta & E-commerce Growth
Charles
Shopify and Meta partner who builds and scales e commerce brands. He's sold three brands and is actively launching new brands. He's not teaching from a textbook, he's in it daily, obsessed with Meta ads, creatives, and offers that convert.
Paid Media & Growth Strategy
Marion Vitrat
12 years across Meta, Google, LinkedIn, CRM, SEO, and growth strategy. Former CMO and digital growth leader across multiple scale-ups and international brands.
Email & SMS - Klaviyo Partner
Grace
Official Klaviyo partner with 10 years of daily hands-on experience helping brands build retention from day one. Speaker at the Klaviyo London Conference 2024 on demystifying customer data.
HEAD OF COMMUNITY
Elena
Elena is the operations brain behind the community. She is
focused on maintaining operational excellence, quality, accountability and a high-signal founder environment.
TikTok & Social Growth
Tamara
Tamara is a TikTok and social media growth specialist with expertise in running campaigns, creative production, and performance marketing. She knows exactly what content actually converts.
Organic INSTAGRAM & Content Strategy
Rachael
Rachael has created content professionally for years, across her own personal brands as well as for others. She helps brands build their voice, online presence, and content strategy on Instagram.
Compliance, Copy & Nutrition
Vicki
Registered dietician and compliance specialist with deep expertise in UK and EU supplement regulations. She covers claims and product copy, so your brand says the right things without putting the business at risk.
digital ads master
Tom
Tom is a UK digital ads expert who’s grown household names across startups and major corporates, with over $50m spent on Meta Ads, Google Ads, and more. He helps new eCommerce brands scale through paid advertising.
Who this is for
Build Your Supplement Brand Properly
The Formula+ is built for founders who want to launch properly from day one - with better guidance, stronger industry relationships, and fewer expensive mistakes along the way.
This is for you if…
You want to build a serious brand- You care about quality and positioning
- You want to avoid expensive mistakes
- You value expert guidance over noise
- You implement, not just consume
- You are willing to put in the work to get this right
- You understand quality takes investment
This is not for…
People looking for overnight success- Generic dropship-style brands
- Founders unwilling to invest in quality
- Passive spectators who never implement
We care more about the quality of the room than the number of members inside it. Every application is reviewed personally before approval.
Membership
Two tiers. One standard.
Most founders lose more than twelve months of membership cost from a single avoidable mistake. The Formula+ exists to prevent those mistakes before they happen.
BASIC
£97
per month
Full Community Access
Everything you need to build your supplement brand with proper
guidance, industry connections, and expert support from day one.
- All live sessions every month
- Full call recordings and archives
- Private founder community access
- Trend Watch intelligence reports
- Expert Q&As and compliance workshops
- Founder networking and support
- Member-only opportunities
- Opportunity to access vetted formulators. local manufacturers, and packaging manufacturers (paid separately)
Join The Formula+
We talk with you before you join to make sure it's the right fit!
Member
VIP
By application only
A Different Kind of Support
Not a course. Not advice. This is us helping you formulate and source your products, and get them to market successfully.
- Retainer: ongoing product development partnership
- Formulation & reformulation support
- Manufacturer sourcing with LOW MOQs across vetted UK, EU & US
- Label compliance review & copy
- Packaging & brand design sourcing
- Shopify & Meta launch support
- Fixed-scope, one-off projects available
- Sample coordination & manufacturer handoff
- Label compliance review & copy
Book a strategy call
VIP membership is limited..
Trusted by Founders.
Juici Supplements
"They opened doors we didn't even know existed. The knowledge of formulation, sourcing, manufacturing and compliance is exceptional"
-
Abe
,
Juici
Nudge
"Cat was absolutely first class in helping us launch our supplement. She went out of her way to find a reliable UK supplier and secured a fantastic price for our products. We're genuinely grateful for all the guidance and support."
-
Kevin R
,
Nudge
MagFit
"Cat has been absolutely incredible in supporting me on my journey as a first-time founder. She helped me secure a great price and a low MOQ for my first product, which made launching realistically possible. I genuinely couldn't recommend her enough."
-
Founder
,
MagFit
Rubeth's
"Cat helped me move forward fast. We had an agreed price with a UK manufacturer within a week. Her experience and contacts were invaluable in shaping the final stages of my product."
-
Shaun C
,
Rubeth's
Novacore Nutrition
"Working with Cat as my supplement sourcer was an incredibly smooth and professional experience from start to finish. She guided me through the entire process with clarity, honesty, and genuine expertise. Timelines were always clear and realistic, communication was excellent, and I felt supported at every stage. I was confident my brand was in safe hands throughout the process."
-
Gianmarco
,
Novacore Nutrition
UK, EU & US compliant manufacturing
Amazon, DTC & retail-ready builds
Built by operators, not consultants
Human & pet supplement specialists
Vetted manufacturers across 3 markets
End-to-end brand development
UK, EU & US compliant manufacturing
Amazon, DTC & retail-ready builds
Built by operators, not consultants
Human & pet supplement specialists
Vetted manufacturers across 3 markets
End-to-end brand development
UK, EU & US compliant manufacturing
Amazon, DTC & retail-ready builds
Built by operators, not consultants
Human & pet supplement specialists
Vetted manufacturers across 3 markets
End-to-end brand development
