Choosing the right fitness supplement manufacturer can make or break your brand. Whether you’re launching a pre-workout powder, recovery formula, or daily multivitamin, you need a partner with the experience, capacity, and certifications to deliver high-quality products consistently.
Below are reliable health supplements manufacturers, which includes manufacturers offering both turnkey and custom formulations across formats like capsules, powders, gummies, and ready-to-drink formulas. Whether you’re a startup or an established brand, these companies can help you create products that meet your goals and regulatory standards.
List of 10 Best Fitness Supplement Manufacturing Companies
The list isn’t ranked, and you should thoroughly research and evaluate any fitness supplement manufacturer before deciding to work with them.
1. Vitaquest International – New Jersey, USA
Vitaquest International specializes in custom formulation and large-scale production of powders, capsules, tablets, and functional foods. They’re a great fit for brands looking to develop new formulas or scale high-volume product lines. Vitaquest is GMP certified, NSF certified, and FDA registered, making them one of the most trusted health supplements contract manufacturing partners in the industry. They also offer R&D support and technical formulation assistance, which is useful for companies looking to innovate in crowded supplement categories.
2. Bactolac Pharmaceutical – New York, USA
With over 25 years of experience, Bactolac Pharmaceutical offers vertically integrated services including formulation, encapsulation, tableting, and powder blending. Their facility is cGMP certified and FDA registered. They serve established brands looking for consistent, high-quality production with in-house lab testing and full QA support. Bactolac also supports compliance documentation, which is valuable when entering major retailers or international markets.
3. Aegle Nutrition – Texas, USA
Aegle Nutrition specializes in powdered and liquid supplements and is a strong choice for performance nutrition brands. They are GMP, NSF, SQF, and Informed Choice certified, and offer full turnkey support for formulation, bottling, and labeling. Their 130,000 sq ft facility is well-equipped for scaling growing brands. Aegle also offers extensive flavor development services, which helps brands deliver products that perform well in taste-sensitive markets like pre-workouts and protein powders.
4. Capstone Nutrition – Utah, USA
Capstone Nutrition is one of the largest U.S.-based contract manufacturers of sports supplements, producing powders, capsules, and tablets at scale. With NSF and TGA certifications, they are equipped for both domestic and international production. Capstone is ideal for brands with high demand and strict regulatory requirements. Their advanced testing protocols and regulatory support make them a strong partner for global distribution and retail compliance.
5. Advanced Supplement Manufacturing – New York, USA
Advanced Supplement Manufacturing produces capsules, tablets, softgels, powders, and gummies. They support both turnkey and custom formulation projects and are FDA registered and UL NPA cGMP certified. Their low MOQs and responsive in-house design and fulfillment services make them a strong option for startups and fast-growing supplement brands. They also offer bilingual packaging solutions, which is useful for brands selling in both English and Spanish-speaking markets.
6. Vox Nutrition – Utah, USA
Vox Nutrition is a private label supplement manufacturer offering over 100 stock products as well as custom formulations. They produce powders, capsules, tablets, and gummies, and are FDA registered, GMP certified, and NSF certified. Vox is ideal for fitness brands looking for fast turnaround and flexible scaling. Their ability to quickly rebrand white-label products is especially helpful for seasonal promotions or influencer collaborations.
7. Bergstrom Nutrition – Washington, USA
Bergstrom Nutrition is the exclusive producer of OptiMSM®, a high-quality MSM ingredient commonly used in joint and recovery supplements. While they don’t offer turnkey private label production, they are an essential partner for fitness brands focused on ingredient transparency and clean recovery formulations. They are ISO 9001 and FSSC 22000 certified. Brands looking to emphasize clinically supported ingredients will benefit from the traceability and credibility Bergstrom brings to their supply chain.
8. Bariatrix Nutrition – Quebec, Canada
Bariatrix manufactures protein-rich diet products like bars, shakes, and snacks, as well as powdered drink mixes and meal replacements. They specialize in weight management and high-protein functional foods. Their SQF certification and decades of experience make them a strong choice for brands looking to go beyond capsules and powders. They also support formulation for restricted diets (e.g., low-carb, keto-friendly), which opens up product development in trending consumer niches.
9. Aminolabs – Belgium
Aminolabs serves active lifestyle and sports nutrition brands with extensive capabilities in powder, capsule, and tablet production. With large-scale capacity, in-house R&D, and a wide range of certifications, Aminolabs is well-suited to established brands or companies planning to expand across Europe. They also offer regulatory support and market entry guidance, making them a practical partner for U.S. brands expanding into EU markets.
10. Sirio Pharma – China / Global
Sirio Pharma is a global CDMO with manufacturing capabilities across softgels, gummies, powders, tablets, and functional beverages. They offer custom formulation and full turnkey services, and are cGMP, NSF, ISO, and FDA certified. Sirio is a strong choice for brands with international growth plans and varied supplement lines. Their R&D centers across Asia, Europe, and North America allow for region-specific innovation and market-tailored product design.
11. GMP Pharmaceuticals – Australia / New Zealand
GMP Pharmaceuticals provides end-to-end manufacturing of capsules, tablets, powders, and liquids. Their facilities are TGA and Medsafe licensed and FDA registered, making them an ideal partner for brands entering or expanding in the Asia-Pacific region. Their strong regulatory knowledge and compliance support make them a good fit for complex or multi-region supplement launches. They also offer guidance for navigating Australian health claims, which differ from U.S. supplement marketing rules.
Conclusion
The right supplement manufacturer can help you launch faster, scale smarter, and ensure product quality from the first batch. Whether you’re starting out or expanding your reach, this list gives you a mix of flexible turnkey providers, custom formulation specialists, and high-capacity partners who understand what fitness supplement brands need to succeed.
When evaluating a manufacturer, consider your product formats, distribution goals, and whether you need speed to market or innovation support. Look for the right mix of certifications, capabilities, and supply chain transparency. Ask about minimum order quantities, lead times, and whether they offer pilot runs for new product testing.
Your manufacturer should be a long-term partner that supports growth, compliance, and consumer trust. Take the time to compare options, request documentation, and align expectations early. The right decision now can set your brand up for long-term success in the competitive fitness supplement space.