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Principal Scientist, Toxicology

Herbalife · Torrance, CA, US · United States · On-site

Posted Oct 2, 2026

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Overview ROLE AT A GLANCE: The Principal Scientist, Toxicology will provide technical support in substantiating the safety of ingredients, formulas and packaging used in Herbalife inner and outer nutrition products in all stages of product lifecycle to support sustainable business growth. The Principal Scientist, Toxicology will work independently to conduct safety evaluation of ingredients, formulations and packaging, prepare appropriate documentation that meets standards and requirements for product safety and regulatory acceptability. This position will work closely with a wide range of regional and corporate teams across organization to ensure safety compliance of Herbalife products worldwide. In addition, this position is expected to participate in external trade and science-based initiatives pertaining to the safety of product categories relevant to Herbalife business and leverage external partners to advance the science and brand of Herbalife products. The Principal Scientist is a key position in R&D and must inspire and energize employees through advanced knowledge of toxicology, personal leadership, influence, and thorough planning and drive for timely and appropriate results. This position may need to travel globally up to 10% of time. HOW YOU’LL MAKE AN IMPACT: • Critically review, validate and summarize scientific evidence for assessing safety of proposed product formulas and materials (including food and dietary ingredients, additives, personal care ingredients, and their constituents) and provide recommendations to address evidence gaps (if any) to support product development and innovation with minimum supervision.• Develop safety substantiation for Herbalife’s ingredients and finished products, and prepare written technical reports (e.g. risk assessments, safety monographs, etc.) that meet Herbalife internal standards and regulatory acceptability.• Use published toxicological frameworks and regulatory guidance documents to perform and review hazard, safety and risk assessments to meet applicable regulatory requirements.• Prepare responses to inquiries regarding the safety of Herbalife’s ingredients and products from regulatory bodies and customers in the local countries where Herbalife products are marketed.• Lead and provide support in the design, conduct and evaluation of toxicology studies on existing and new ingredients and formulations with training.• Lead stakeholder in preparation of requisite toxicological requirements for GRAS dossier preparation for North America and Novel Foods applications for Europe. • Guide and review the development of safety-based specifications for raw materials and finished products, and advisory label statement review process.• Communicate product and ingredient safety information verbally and in writing to internal customers, including Formulation, Scientific Affairs, Government Affairs, Regulatory Affairs, Quality Assurance, and Post-market Safety Surveillance departments.• Perform…