USP Certification

Recognizing quality you can trust

Considered as one of the strictest quality standards in the world and applied in over 140 countries, USP helps to verify the quality of ingredients and products through their rigorous science and public quality standards in order to protect patient safety and improve the health of people around the world. Having met the strict testing and evluation criteria set forth by the USP, ONCO-Z®, the active ingredient in Oncozac®, became the first ingredient originated from Chinese Medicine and only Yunzhi certified by the United States Pharmacopeia (USP) in 2009.More about USP

Awarded USP Verified Mark Awarded USP Verified Mark Awarded USP Verified Mark
Getting the value you expect

Getting the value you expect

All products contain the ingredients listed on the label in the declared potency and amounts. Product are also tested to ensure that they break down and release into the body within a specified amount of time, ensuring that consumers maximize the full benefit of its contents.

Getting the value you expect

Ensured Safety and reliable product

Products do not contain harmful levels of specified contaminants, such as heavy metals (e.g. lead and mercury), microbes, pesticides, or other contaminants, ensuring safety, which can pose serious risks to one's health if inadvertently consumed.

Getting the value you expect

Assurance of quality you can trust

Products are made according to FDA current Good Manufacturing Practices using sanitary and well-controlled procedures. The well-documented manufacturing and monitoring processes ensure consistent quality from batch to batch.

The mark of quality

Striking a difference in Yunzhi products on the market

The only Yunzhi in the world to be verified by the USP*
With its active ingredient ONCO-Z® being the only Yunzhi ingredient in the world verified by the USP, Oncozac® ensures that consumers obtain an optimal level of active ingredients from Yunzhi mushrooms for results that we can truly feel
*As of November 2021.
Passing the rigorous verification assessments to ensure quality and instil trust
In obtaining its USP verification, ONCO-Z®'s production process underwent a 6-month quality inspection process to ensure quality, reduce risks of inconsistent or substandard ingredient quality and strengthen confidence that Good Manufacturing Practices (GMP) and science-based quality standards have been implemented and are being met.
Consistently maintaining top-quality status
USP annually evaluates quality through a three-step process of Good Manufacturing Practice (GMP) facility audits, product quality control & manufacturing (QCM) process evaluation, and product testing. ONCO-Z® Oncozac® has passed each evaluation over the years.
Verified effectiveness, quality and safety
In addition to achieving numerous certifications and standards, Oncozac® has also received more than 10 patents across the United States, Australia, Japan, United Kingdom, Germany, Canada, Hong Kong, and Taiwan. Our proprietary production technologies coupled with numerous internal and external tests ensure that consumers receive a product that is effective, high-quality, reliable and safe.
Research & development
Off-the-shelf testings
Research & development
PuraPharm’s laboratory is certified by the China National Accreditation Service for Conformity Assessment (CNAS), the international multilateral recognition system that is equivalent to an accreditation in accordance with the ISO 17025 standards. Our manufacturing facilities are regarded as one of the most advanced TCM research and manufacturing facilities in Asia.
Laboratory Accreditation Certificate from China National Accreditation Service for Conformity Assessment
Advanced manufacturing process every step of the way to enhance the efficacy of Oncozac®.
Resources Science driven by humanity

Bringing longer, healthier, happier lives through the innovation and modernization of herbal medicines and herbal products.