1. Vitamin-D-Supplementierung im Sport: Was sind die aktuellen Empfehlungen?
   Joelle Leonie Flueck et al, 2021, Journal für Gynäkologische Endokrinologie/Schweiz CrossRef
2. 25-Hydroxyvitamin D, Vitamin D Binding Protein, Bioavailable 25-Hydroxyvitamin D, and Body Composition in a Diverse Sample of Women Collegiate Indoor Athletes
   Jennifer B. Fields et al, 2020, Journal of Functional Morphology and Kinesiology CrossRef
3. Nutritional Supplements for the Treatment and Prevention of Sports-Related Concussion—Evidence Still Lacking
   Thomas H. Trojian et al, 2017, Current Sports Medicine Reports CrossRef
4. The Effects of Cholecalciferol Supplementation on Vitamin D Status Among a Diverse Population of Collegiate Basketball Athletes: A Quasi-Experimental Trial
   Nicole M. Sekel et al, 2020, Nutrients CrossRef
5. Can the supplementation of vitamin D, sun exposure, and isolation during the COVID-19 pandemic affect the seasonal concentration of 25(OH)D and selected blood parameters among young soccer players in a one-year training season?
   Joanna Jastrzębska et al, 2023, Journal of the International Society of Sports Nutrition CrossRef
6. Exploring the Relationship between Micronutrients and Athletic Performance: A Comprehensive Scientific Systematic Review of the Literature in Sports Medicine
   Hadeel Ali Ghazzawi et al, 2023, Sports CrossRef
7. Seasonal fluctuations in serum levels of vitamin D in Japanese patients with multiple sclerosis
   Masaaki Niino et al, 2021, Journal of Neuroimmunology CrossRef
8. Vitamin D Status Differs by Sex, Sport-Season, and Skin Pigmentation among Elite Collegiate Basketball Players
   Jennifer B. Fields et al, 2019, Sports CrossRef
9. Difference in Levels of Vitamin D between Indoor and Outdoor Athletes: A Systematic Review and Meta-Analysis
   Maria Bârsan et al, 2023, International Journal of Molecular Sciences CrossRef
10. Nutritional Considerations for the Vegan Athlete
    Sam West et al, 2023, Advances in Nutrition CrossRef
11. Vitamin D deficiency in athletes: Laboratory, clinical and field integration
    Tina Shuk-Tin Ip et al, 2022, Asia-Pacific Journal of Sports Medicine, Arthroscopy, Rehabilitation and Technology CrossRef
12. Vitamin-D-Mangel im Sport
    Beat Knechtle et al, 2021, Praxis CrossRef
13. Dietary vitamin D intake in low ultraviolet irradiation seasons is associated with a better nutritional status of vitamin D in Korean adults according to the 2013-2014 National Health and Nutrition Examination Survey
    Hye Ran Shin et al, 2022, Nutrition Research CrossRef
14. The impact of vitamin D supplementation on body fat mass in elite male collegiate athletes
    Itaru Kawashima et al, 2021, Nutrition & Metabolism CrossRef
15. Changes of 25(OH)D Concentration, Bone Resorption Markers and Physical Performance as an Effect of Sun Exposure, Supplementation of Vitamin D and Lockdown among Young Soccer Players during a One-Year Training Season
    Joanna Jastrzębska et al, 2022, Nutrients CrossRef
16. Serum 25-Hydroxyvitamin D Levels in Type 2 Diabetes Patients in North China: Seasonality and the Association between Vitamin D Status and Glycosylated Hemoglobin Levels
    Chang Wang et al, 2023, International Journal of Clinical Practice CrossRef
17. Sports Concussions: Is There a Role for Alternative Treatments?
    Khaled J. Zaza et al, 2022, Neurosurgical Care of Athletes CrossRef
18. Effects of vitamin D on health outcomes and sporting performance: Implications for elite and recreational athletes
    S. L. Wilson‐Barnes et al, 2020, Nutrition Bulletin CrossRef
19. Association of Serum 25-Hydroxyvitamin D Concentrations With Glucose Profiles in Male Collegiate Football Athletes
    Xiaomin Sun et al, 2019, International Journal of Sport Nutrition and Exercise Metabolism CrossRef
20. Outcomes of vitamin D3 supplementation on serum 25-hydroxy vitamin D in male runners: a randomized controlled trial
    Toraishi MAMI et al, 2023, Gazzetta Medica Italiana Archivio per le Scienze Mediche CrossRef
21. Vitamin D levels and bone mineral density of middle-aged premenopausal female football and volleyball players in Japan: a cross-sectional study
    Kimiko Sakamoto et al, 2024, BMC Sports Science, Medicine and Rehabilitation CrossRef
22. Yaz ve Kış Aylarını İçeren Dönemlerde Yaş ve Cins Gruplarına Göre D Vitamin [25(OH)D3] Düzey Değişimleri
    Metin KILINÇ et al, 2018, Kahramanmaraş Sütçü İmam Üniversitesi Tıp Fakültesi Dergisi CrossRef
23. An Overview and Therapeutic Promise of Nutraceuticals Against Sports-Related Brain Injury
    Faheem Hyder Pottoo et al, 2021, Current Molecular Pharmacology CrossRef
24. Seasonal variations in vitamin D do not change the musculoskeletal health of physically active ambulatory men with cerebral palsy: a longitudinal cross-sectional comparison study
    Christina Kate Langley et al, 2023, Nutrition Research CrossRef
25. Vitamin D, sport and health: a still unresolved clinical issue
    L. Di Luigi et al, 2020, Journal of Endocrinological Investigation CrossRef