Koehler, Karsten

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

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

Low energy availability: history, definition and evidence of its endocrine, metabolic and physiological effects in prospective studies in females and males

Areta, J. L., Taylor, H. L., & Koehler, K. (2021) · European Journal of Applied Physiology

Sports Performance and TrainingEating Disorders and Behaviors

Cited by 214

Low energy availability in exercising men is associated with reduced leptin and insulin but not with changes in other metabolic hormones

Koehler, K., Hoerner, N. R., Gibbs, J. C., Zinner, C., Braun, H., De Souza, M. J., & Schaenzer, W. (2016) · Journal of Sports Sciences

Regulation of Appetite and ObesityHypothalamic control of reproductive hormones

Cited by 164

Primary, secondary and tertiary prevention of Relative Energy Deficiency in Sport (REDs): a narrative review by a subgroup of the IOC consensus on REDs

Torstveit, M. K., Ackerman, K. E., Constantini, N., Holtzman, B., Koehler, K., Mountjoy, M. L., Sundgot-Borgen, J., & Melin, A. (2023) · British Journal of Sports Medicine

Eating Disorders and BehaviorsNutrition, Health and Food Behavior

Cited by 100

Effects of a 16-week digital intervention on sports nutrition knowledge and behavior in female endurance athletes with risk of relative energy deficiency in sport (REDs)

Fahrenholtz, I. L., Melin, A. K., Garthe, I., Hollekim-Strand, S. M., Ivarsson, A., Koehler, K., Logue, D., Lundström, P., Madigan, S., Wasserfurth, P., et al. (2023) · Nutrients

Nutrition, Health and Food BehaviorEating Disorders and Behaviors

Cited by 40

Caloric restriction induces anabolic resistance to resistance exercise

Murphy, C., & Koehler, K. (2020) · European Journal of Applied Physiology

Muscle metabolism and nutritionGrowth Hormone and Insulin-like Growth Factors

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