Launch your supplement brand the easy way.
We connect you with trusted UK, EU, and US manufacturers to create quality, locally sourced supplements with standout branding and packaging.
Supplements. Sourced. Simplified.
Supplements. Sourced. Simplified.
WHAT WE DO
From concept to capsule — we help you find the right manufacturing partner.
We connect supplement brands with trusted manufacturers across the UK, EU, and US — covering everything from powders and capsules to gummies and drinks. Get matched with the right partner for your formula, fast.
CAPSULES
From daily multivitamins to herbal blends — we source high-quality capsule and tablet manufacturers who can handle both small and large production runs.
POWDERS
From protein powders and pre-workouts to greens, nootropics and more — we connect you with flavor specialists and premium-grade powder producers.
GUMMIES
Fast-growing and fun — our partners offer gummy and chewable supplement production with natural flavors and clean ingredients.
LIQUIDS
From energy shots to herbal tinctures, we source reliable liquid supplement manufacturers with experience in functional beverages.
Build Your Supplement Brand with Expert Sourcing Support
Ready to bring your supplement idea to life? Schedule a free discovery call to explore how CJK Sourcing helps brands launch high-quality, compliant products made in the UK, EU, or USA. From formulation to fulfillment, we guide you through every step to make sourcing simple, transparent, and stress-free.
Why Work With Us
Smarter Sourcing,
Better Pricing
Access insider rates through our vetted network of manufacturers — helping you launch lean and maintain healthy margins without cutting quality.
Flexible, Founder-Friendly Manufacturing
We unlock small-batch MOQs and reliable partners across the UK, EU, and US, so you can test fast, stay agile, and scale on your terms
Support That Simplifies the Process
From introductions to communication and sampling, we stay involved throughout your sourcing journey — ensuring clarity, momentum, and smoother collaboration.
"CJK has been absolutely first class in helping us launch our supplement. Cat went out of her way to find a reliable UK supplier and managed to secure a fantastic price for our products. Couldn’t recommend her enough — genuinely grateful for all the guidance and support she’s given us." - Kevin D.
"CJK has been absolutely first class in helping us launch our supplement. Cat went out of her way to find a reliable UK supplier and managed to secure a fantastic price for our products. Couldn’t recommend her enough — genuinely grateful for all the guidance and support she’s given us." - Kevin D.
"Cat was amazing from start to finish. She connected me with a responsive, professional manufacturer and secured the best deal possible. The whole process was smooth and stress-free. If you want to save time and headaches, work with Cat — she’ll get you results.” — Peter A.
"Cat was amazing from start to finish. She connected me with a responsive, professional manufacturer and secured the best deal possible. The whole process was smooth and stress-free. If you want to save time and headaches, work with Cat — she’ll get you results.” — Peter A.
“Cat helped me move forward fast. We had an agreed price with a UK manufacturer within a week. Cat’s experience and contacts shaped the final stages of my product, and I wouldn’t hesitate to recommend her to other supplement brand founders.” — Shaun C.
“Cat helped me move forward fast. We had an agreed price with a UK manufacturer within a week. Cat’s experience and contacts shaped the final stages of my product, and I wouldn’t hesitate to recommend her to other supplement brand founders.” — Shaun C.
Your path to a stress-free supplement launch.
HOW IT WORKS
We connect supplement brands with trusted manufacturers — managing formulation, quotes, samples, and communication to simplify your launch.
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Whether you already have a formula or just an idea, we’ll help define your requirements and find the best way to bring your concept to life.
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Work with our formulation specialists to create or optimize your supplement blend — ensuring it’s effective and ready for manufacturing in your target markets.
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We connect you with vetted production partners across the UK, EU, and US — handpicked to fit your product type, budget, and quality standards.
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We coordinate directly with manufacturers to gather pricing, MOQs, and packaging options and find you the best offer so you can confidently move forward.
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Once you’ve chosen your manufacturer, we manage a seamless handover to the manufacturer directly.
Our Services
End-to-End Supplement
Sourcing
From concept to shelf, we handle every step of your product journey. Whether you’re starting from scratch or refining an existing idea, we help you formulate, source, and manufacture high-quality supplements in the UK, EU, or US — launch-ready.
Includes: formulation support, manufacturer matching, sample coordination, production oversight, and logistics guidance.
Cost Optimisation & Local Manufacturing Transfer
Already have a product but want better margins or more control? We help established brands reduce COGs by negotiating with alternative suppliers or transitioning manufacturing to trusted local partners.
Includes: supplier benchmarking, cost comparison reports, formulation matching, and end-to-end transfer support.
Brand in a Box:
Amazon & TikTok Ready
From concept to shelf, we handle every step of your product journey. Whether you’re starting from scratch or refining an existing idea, we help you formulate, source, design and manufacture high-quality supplements in the UK, EU, or US.
Includes: formulation + sourcing, packaging design, brand identity, compliant labeling, and manufacturing coordination.
FAQs
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Founders who want to launch a human or pet supplement brand using UK, EU, or US suppliers — without inflated agency costs or overseas risk.
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Not at all. If you’re unsure, we can bring in our trusted partner formulator to help shape or refine your product idea.
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Yes — most of our clients are Amazon FBA, TikTok or Shopify sellers. We help you find suppliers who meet quality standards and offer reasonable Minimum Order Quantities, and understand how to support small brands launching in competitive marketplaces.
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Yes, we absolutely source pet supplements. We can source powders, chews and more from trusted suppliers.
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Yes — while supplements are our specialty, we also source across a wide range of categories. That includes cosmetics and skincare, plastics, electronics, and general wellness items. If you’re looking for a trusted partner to handle product development, packaging, and manufacturing in these areas, we can help.
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Absolutely. We sign an NDA with all clients — your idea stays yours.
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Most founders receive shortlisted supplier options within a maximum of 3 weeks of our initial call, depending on the complexity of your product.
Meet the Team
With a background in driving commercial performance and managing complex projects, Cat brings structure, strategy, clarity and serious negotiation skills to the supplement sourcing process — helping founders move from concept to launch with confidence.
Cat K. - Founder / Director
With over 10 years experience in Partnership Management and Customer Success, Vassi maintains strong relationships with trusted manufacturers across Europe — ensuring we continue to expand our network and deliver the best options to our clients.
Vassi A. - EU Partner Manager
DESIGN IN PARTNERSHIP WITH CVR STUDIOS
Founded by Charlie, an experienced Amazon seller and brand owner, CVR Studios was created to bring cohesion to e-commerce design. Tired of juggling multiple freelancers, Charlie built an all-in-one creative studio delivering seamless, high-impact visuals for e-commerce brands. Together, we ensure every product we source looks as good as it performs.
Charlie B. - CEO CVR Studios
Contact Us
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We can’t wait to hear from you!