Schänzer, Wilhelm

Nutritional supplements cross-contaminated and faked with doping substances

Geyer, H., Parr, M. K., Koehler, K., Mareck, U., Schänzer, W., & Thevis, M. (2008) · Journal of Mass Spectrometry

Doping in SportsPharmaceutical Quality and Counterfeiting

Cited by 375

Analysis of Non-Hormonal Nutritional Supplements for Anabolic-Androgenic Steroids - Results of an International Study

Geyer, H., Parr, M. K., Mareck, U., Reinhart, U., Schrader, Y., & Schänzer, W. (2004) · International Journal of Sports Medicine

Doping in SportsPharmaceutical Quality and Counterfeiting

Cited by 344

Dietary Supplement Use among Elite Young German Athletes

Braun, H., Koehler, K., Geyer, H., Kleinert, J., Mester, J., & Schänzer, W. (2009) · International Journal of Sport Nutrition and Exercise Metabolism

Doping in SportsNutrition and Health Studies

Cited by 235

Creatine and creatine forms intended for sports nutrition

Andres, S., Ziegenhagen, R., Trefflich, I., Pevny, S., Schultrich, K., Braun, H., Schänzer, W., Hirsch‐Ernst, K. I., Schäfer, B., & Lampen, A. (2017) · Molecular Nutrition & Food Research

Muscle metabolism and nutritionNutrition and Health Studies

Cited by 54

Genotype-dependent metabolism of exogenous testosterone - new biomarkers result in prolonged detectability

Piper, T., Schänzer, W., & Thevis, M. (2016) · Drug Testing and Analysis

Doping in SportsPharmacogenetics and Drug Metabolism

Cited by 38

Serum testosterone and urinary excretion of steroid hormone metabolites after administration of a high-dose zinc supplement

Koehler, K., Parr, M. K., Geyer, H., Mester, J., & Schänzer, W. (2009) · European Journal of Clinical Nutrition

Trace Elements in HealthHormonal and reproductive studies

Cited by 36

Determination of 13C/12C ratios of urinary epitestosterone and its main metabolites 5α‐ and 5β‐androstane‐3α, 17α‐diol

Piper, T., Riemann, P., Opfermann, G., Mareck, U., Geyer, H., Vajiala, G., Flenker, U., & Schänzer, W. (2009) · Drug Testing and Analysis

Doping in SportsPharmacological Effects and Assays

Cited by 31

High doses of the anabolic steroid metandienone found in dietary supplements

Geyer, H., Bredehöft, M., Mareck, U., Parr, M., & Schänzer, W. (2003) · European Journal of Sport Science

Doping in SportsPharmaceutical Quality and Counterfeiting

Cited by 28

Reporting and managing elevated testosterone/epitestosterone ratios–novel aspects after five years' experience

Mareck, U., Geyer, H., Fußhöller, G., Schwenke, A., Haenelt, N., Piper, T., Thevis, M., & Schänzer, W. (2010) · Drug Testing and Analysis

Doping in SportsPharmacological Effects and Assays

Cited by 28

Studies on the in vivo metabolism of the SARM YK11: Identification and characterization of metabolites potentially useful for doping controls

Piper, T., Dib, J., Putz, M., Fusshöller, G., Pop, V., Lagojda, A., Kuehne, D., Geyer, H., Schänzer, W., & Thevis, M. (2018) · Drug Testing and Analysis

Doping in SportsForensic Toxicology and Drug Analysis

Cited by 23

Doping control analysis of trimetazidine and characterization of major metabolites using mass spectrometric approaches

Sigmund, G., Koch, A., Orlovius, A., Guddat, S., Thomas, A., Schänzer, W., & Thevis, M. (2014) · Drug Testing and Analysis

Doping in SportsForensic Toxicology and Drug Analysis

Cited by 22

30th Cologne workshop on dope analysis (Manfred Donike workshop)

Schänzer, W. (2012) · Drug Testing and Analysis

Doping in SportsForensic Toxicology and Drug Analysis

Cited by 0