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Metabolic Identification Based on Proposed Mass Fragmentation Pathways of the Anabolic Steroid Bolasterone by Gas Chromatography Tandem Mass Spectrometry

The metabolism of bolasterone in liver microsomes and in urine samples of rats orally treated was evaluated due to no…

Optimization of Parallel Artificial Liquid Membrane Extraction for the Determination of Over 50 Psychoactive Substances in Oral Fluid Through UHPLC–MS/MS

This study is related to the development of a microextraction method for the determination of 56 psychoactive substances in oral…

Endogenous Nature of Hydrocortisone Acetate in Horse

A proof-of-concept study to evaluate the possible endogenous nature of hydrocortisone acetate in horses by in vitro incubation experiments using homogenized…

Sports Supplement Analysis Survey for the Prevalence of WADA Prohibited Substances in the Australian Online Marketplace

A survey of 200 sports supplements purchased online in Australia and analysed for WADA Prohibited Substances. Athlete education regarding the…

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FDA Encourages Development of New, Reliable Alternatives to Animal Testing in Sunscreen

FDA strongly encourages companies to continue to develop new, reliable ways to minimize animal testing and to provide the data…

Pamela K. Den Besten, DDS, MS – 715245 – 09/19/2025

Clinical Investigator (Sponsor) 

Ralph A. DeFronzo, M.D. – 716773 – 09/17/2025

Clinical Investigator/Sponsor

Me Vale Madre may be harmful due to hidden drug ingredients

The Food and Drug Administration is advising consumers not to purchase or use Me Vale Madre, a product promoted and…

FDA | NIH : Regulatory Do’s and Don’ts: Tips from FDA – 09/04/2024

FDA | NIH : Regulatory Do’s and Don’ts: Tips from FDA