Lock Health strictly controls product quality across the entire production process, from product packaging (including cartons, glass bottles, lids, and liners), to testing of raw materials and production equipment, to warehousing standards. Our dynamic quality management programs are conducted in accordance with the highest standards in the industry. Thus, Lock Health can say with confidence: “We are the best.”
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Each shipment of products is thoroughly tested at the Hong Kong Standards and Testing Centre before being released for sale to the public.

All USALH products approved for public sale have been proven to meet both Hong Kong and international food safety standards, and their proportional content of heavy metals, pesticide residues, and microorganisms are all well within the standards for alternative medicines.

USA Lock Health may be the world’s only brand to control its product quality to such a high standard.