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Nutrition Diet: Who Makes Doctor's Best Supplements?

4 min read

Founded in 1990 by a physician, Doctor's Best built a reputation on science-based nutrition, but a frequent question for many consumers is who makes doctor's best supplements?. The company operates under new ownership and adheres to strict quality controls, providing clarity on its robust manufacturing process.

Quick Summary

This article explains the corporate ownership of Doctor's Best, which was acquired by China-based Xiamen Kingdomway Group Co. and manufactures its products in the USA under cGMP-certified conditions.

Key Points

  • Ownership: Doctor's Best is owned by Xiamen Kingdomway Group Co., a Chinese manufacturer, through its U.S. subsidiary, Kingdomway USA Corp..

  • Manufacturing Location: All Doctor's Best supplements are manufactured exclusively in the United States, not China.

  • Quality Certification: The manufacturing facilities used by Doctor's Best are Current Good Manufacturing Practice (cGMP) certified.

  • Ingredient Sourcing: The company prioritizes premium, branded, and clinically-studied ingredients sourced from trusted global suppliers.

  • Independent Testing: Third-party testing is used to verify the potency, purity, and consistency of Doctor's Best products.

  • Brand History: Doctor's Best was originally founded in 1990 by a physician and was later acquired in 2016.

  • Product Line: The company offers a wide range of vitamins, minerals, and specialized formulas based on scientific research.

In This Article

The Story Behind Doctor's Best Ownership

Doctor's Best was established in 1990 by a physician and quickly grew to become a well-regarded nutritional supplement company known for its science-based formulations. For years, the company operated as an independent entity, building its product line and reputation. However, in June 2016, a significant change occurred when it was acquired by Xiamen Kingdomway Group Co., a major Chinese ingredient and pharmaceutical raw materials manufacturer. The acquisition was executed through Kingdomway USA Corp., the U.S. subsidiary holding company.

This change in ownership is a notable point for consumers, who often inquire about a supplement brand's corporate structure and origin. While the parent company is now based in China, Doctor's Best continues to operate as a U.S. subsidiary, with its headquarters in Tustin, California. Understanding the ownership lineage helps provide a fuller picture of the company's operations and place in the global supplement market.

Manufacturing and Quality Control

For many consumers, the manufacturing process is a more critical factor than corporate ownership. Doctor's Best takes specific measures to address this, emphasizing its commitment to quality and transparency.

Where are Doctor's Best supplements made?

Despite the acquisition by a Chinese company, Doctor's Best products are manufactured and rigorously tested exclusively at Current Good Manufacturing Practice (cGMP) certified facilities in the United States. The use of cGMP-certified facilities is a crucial detail, as it indicates compliance with regulatory standards set by the U.S. Food and Drug Administration (FDA) for the manufacturing, processing, and packing of dietary supplements. These standards help ensure product identity, strength, quality, and purity.

The Importance of Ingredient Sourcing

A hallmark of the Doctor's Best brand is its focus on high-quality, often branded, raw ingredients. The company partners with specific, trusted suppliers for premium-grade materials from around the world. For example, a source notes their Vitamin C supplement contains Quali®-C from Scotland, a well-regarded source for ascorbic acid. This attention to sourcing is part of their broader strategy to use science-based formulations that are backed by clinical research.

Rigorous Testing and Verification

To ensure product integrity, Doctor's Best implements comprehensive testing protocols. These include:

  • Third-party testing: Products undergo third-party testing to verify potency, purity, and consistency. This independent verification adds an extra layer of consumer trust and accountability.
  • Quality control throughout production: Testing occurs at multiple stages, from raw materials to the finished product, to screen for contaminants and ensure quality standards are met.
  • Label transparency: The company strives to be transparent with its product information, providing details on sourcing and scientific references to substantiate claims. Many products are also labeled for dietary preferences, such as non-GMO, gluten-free, and vegan.

Comparing Supplement Quality: Doctor's Best vs. Generic

Choosing a supplement can be difficult without a clear understanding of what goes into it. Here is a comparison of Doctor's Best's approach versus typical generic or lesser-known supplement brands.

Feature Doctor's Best Approach Generic Brand (Possible Approach)
Manufacturing Location Exclusively in U.S. cGMP-certified facilities. Can be manufactured anywhere, including unverified overseas facilities.
Ingredient Sourcing Uses branded, clinically-studied, high-quality ingredients from vetted suppliers. Uses bulk, commodity-grade ingredients with little verification.
Testing & Verification Rigorous third-party testing for potency, purity, and contaminants. Minimal or no third-party testing; relies solely on internal checks.
Scientific Backing Formulations based on extensive scientific research. Based on low-cost ingredients or minimal scientific basis.
Transparency Detailed information on labels, sourcing, and clinical references. Vague labeling with limited information on sources or testing.

The Role of Supplements in a Healthy Nutrition Diet

While supplements can be a valuable addition, they are not a substitute for a balanced and healthy diet. They should be seen as complementary, not foundational, to a nutrition plan. It is crucial to remember that:

  • A balanced diet rich in whole foods is the primary source of vitamins, minerals, and nutrients.
  • Supplements can help fill specific nutritional gaps, especially for individuals with dietary restrictions or particular health needs.
  • Consulting a healthcare professional before starting any new supplement regimen is always recommended to ensure safety and effectiveness.

For more information on the company's commitment to quality and product offerings, you can visit the Doctor's Best official website.

Conclusion

In summary, while Xiamen Kingdomway Group Co. is the parent company that owns Doctor's Best, the supplements themselves are manufactured and tested in cGMP-certified facilities within the United States. The brand maintains a strong emphasis on ingredient quality, utilizing branded and clinically-studied components sourced from reputable suppliers globally. Furthermore, third-party testing and a commitment to transparency provide consumers with a clear view of the brand's quality control process. For those concerned about corporate ownership versus product quality and manufacturing standards, the distinction in Doctor's Best's operations offers a comprehensive answer.

Frequently Asked Questions

The Doctor's Best supplement brand is owned by Xiamen Kingdomway Group Co., a major Chinese manufacturer of nutritional ingredients. The acquisition took place in 2016.

Doctor's Best products are manufactured and rigorously tested in Current Good Manufacturing Practice (cGMP) certified facilities located exclusively in the United States.

Yes, Doctor's Best supplements undergo third-party testing to ensure potency, purity, and consistency, adding an extra layer of quality assurance.

Kingdomway USA Corp. is the U.S. subsidiary holding company for the Doctor's Best brand, which operates from its headquarters in Tustin, California.

Doctor's Best uses premium, branded ingredients and partners with trusted suppliers globally. Ingredients are tested during every step of the production process, from raw material to finished product.

The brand has built a solid reputation in the industry for its science-based formulations, use of clinically-studied ingredients, and commitment to quality assurance through cGMP and third-party testing.

cGMP stands for Current Good Manufacturing Practice. This certification indicates that a supplement manufacturer adheres to regulatory standards for product safety, identity, strength, quality, and purity.

Yes, Doctor's Best offers a range of products with specific food labels such as non-GMO, gluten-free, and vegan, catering to various dietary needs and preferences.

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Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.