Ready to Love
Your Supplement
Manufacturer?
Is your current manufacturer falling short in quality, innovation, or speed? It's time to consider Lief Labs.
With over $2 billion in product sales, we understand the complexities of established brands and set a new standard for what a manufacturing partner can achieve.
At Lief Labs, our certified quality standards, dedicated product development team, and ability to scale quickly ensure your business is in expert hands. Whether you’re refining an existing formula or creating something entirely new, we deliver.
Let us streamline your supply chain, enhance your formulas’ marketability, and expedite turnaround times. Partner with Lief Labs, and gain a manufacturing partner committed to fueling your brand’s growth—today and into the future.
Get a Free Quote Today of Your Favorite Product!
Working with Lief Is Easy as 1, 2, 3
Step 1: Contract
Lief Labs is a full-service manufacturer offering the highest quality production standards at affordable prices. Our U.S. -based NSF cGMP certified facility gives you comprehensive development, testing, and production capabilities to create superior, bestselling products.
Step 2: Co-Pack
Our co-packing services provide seamless packaging solutions for your supplements, ensuring they are professionally packed and ready for distribution. With a focus on quality control and efficiency, we handle everything from bottling and labeling to shipping logistics.
Step 3: Go
We put our decades of experience in supplement manufacturing to work for you in creating exceptional, long-lasting brands that realize your entrepreneurial vision. Our manufacturing capacity, capabilities, and expertise let your brand grow to its full potential.
Lief is Amazon Ready
Lief has worked with Amazon sellers on a myriad of products, we are experienced in Amazon’s strict requirements such as documentation, shipping, & formulations.
Let Lief help you take your business to the next level with our "Prime Ready" shipping services. Lief can ship your products directly to FBA warehouses across the U.S. & to Amazon’s specific standards. We have sent over 1,000,000 units to Amazon by tailoring our manufacturing and shipping practices to support Amazon’s requirements. Amazon is known to heavily penalize brands who do not adhere to their requirements, such as proper documentation, COA's and Material Safety Data Sheets. When you partner with Lief, your products will be Prime Ready & Amazon Approved, so you can continue to grow your brand!
Our Certifications
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The NSF (National Sanitation Foundation) is a certifier for GMP. Through the NSF, Lief Labs can verify that your product has the identity, strength, composition, quality and purity that appear on the label. NSF/ANSI 455-2 is an American National Standards Institute (ANSI) accredited public standard developed in consensus by manufacturers, retailers, public health regulators and certification bodies. NSF/ANSI 455-2 is recognized by the Global Retailer and Manufacturer Alliance (GRMA) and is widely accepted in global markets.
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Lief is a NSF cGMP certified facility, which refers to current Good Manufacturing Practice. The regulations are enforced by the US Food and Drug Administration (FDA). cGMPs provide for systems that assure proper design, monitoring, and control of manufacturing processes.
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The American Association for Laboratory Accreditation (A2LA) is among the largest accreditation bodies in the world dedicated to the formal recognition of competent testing and calibration laboratories. Lief Labs’ Quality Control laboratory has been recognized by A2LA – ISO/IEC 17025 accredited body for microbiological testing. ISO/IEC 17025 is a globally recognized standard that outlines the general requirements for the competence, impartiality, and consistent operation of laboratories. This accreditation demonstrates our commitment to quality, accuracy, and reliability in testing and calibration activities by upholding the highest quality standards in laboratory practices.
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Lief can certify your products with the Banned Substance Control Group (BSCG), a quality assurance program to ensure athletes the product is free from any banned substances.
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The USDA protects consumer options by protecting the integrity of Organic Seal. Any Organic operation violating the USDA organic regulations faces enforcement actions, which can include financial penalties or suspension/revocation of their Organic Certificate.
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Lief is a certified USDA Organic facility through Where Food Comes From, the leader in organic certifications. At Lief we can make your USDA certified organic products to differentiate you from your competitors. By being Organic Certified, you can ensure your trusted brand provides consumers with more choices in the marketplace.
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Our products are tested in-house and by 3rd-party laboratories to ensure purity, safety, and consistency.
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Lief is a non-GMO compliant facility. At Lief, we can help you register your products with “Project Verified” and other certifying bodies.
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Lief can manufacture Kosher certified products. We believe passionately that Kosher laws form a crucial part of an all-encompassing belief of integrity and compliance. This belief guides us in all that we do and is the foundation upon which our organization is established. Our standards of being Kosher and customer service focused are continuously upgraded to remain “best-in-class”, and are a key component of Lief’s core values.
Why Work With Lief?
Lief is a Full-Service current Good Manufacturing Practice (cGMP) certified Contract Manufacturer of dietary supplements, such as powders, tablets, and capsules. Lief offers a complete turn-key solution for all of your contract manufacturing needs to better streamline your operation, with the highest quality certifications, a knowledgeable product development team, and fast turn-around times. Lief has formulated products for a multitude of dietary supplement categories, such as Sports Nutrition, Fitness, Wellness, and Pet Products.
What Lief's Clients Are Saying
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Jim Spach
"Great company, it’s rare today to see a company built from the ground up in the product manufacturing space without it changing hands several times. This is one, built by solid people, who truly value their people. I’ve had the privilege to personally see the excellence and attention to detail they deliver in products and personnel development. I look forward to seeing this company continue to stay cutting edge."
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Mego Salbashian
"Lief is by far the best contract manufacturer I’ve worked with. They go above and beyond to develop high quality products ship it on time. There ability to turn around quotations is unbeatable and they will take the time to understand your needs and provide flexible solutions. I’ll be using Lief for all my products now. I give them 5 gold stars for customer service, quality, turnaround time and care."
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Josh Conyers
“I have used a few other Manufactures before moving all of my business over to Lief. I cannot speak more highly of a place when it comes to quality. You truly get what you pay for and the products they produce are on another level. The experience with the reps and their knowledge on products all the way down to formulating is exactly what I was personally looking for. Being able to run ideas off other people that have the same passion for the supplement industry as I do, made me feel at home. I highly recommend giving them a chance. If you are looking for quality and knowledgeable employees, Lief is the company for you!”
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