Listed in order of number of user responses at https://www.vitamindservice.de/CHANCEN
| Symptom | VitaminDWiki |
| 1. Exhaustion | Tiredness |
| 2. Muscle pain | Muscles and Vitamin D - many studies |
| 3. Headaches | Headache |
| 4. Sleep disorders | Sleep |
| 5. Lack of motivation | |
| 6. Back pain | Back Pain |
| 7. Depression | Depression |
| 8. Muscle cramps | Muscles and Vitamin D - many studies |
| 9. Cold hands and feet | |
| 10. Joint pain | Overview Pain and Vitamin D |
| 11. Difficulty concentrating | |
| 12. Dizziness | VDW |
| 13. Heart palpitations | |
| 14. Neck pain | Overview Pain and Vitamin D |
| 15. Anxiety | Anxiety, Vitamin D, Omega-3 - many studies |
| 16. Nervousness | |
| 17. Muscle tremors | |
| 18. Circulatory problems | |
| 19. Mood swings | |
| 20. Migraines | Headache |
| 21. Panic attacks | |
| 22. Fibromyalgia symptoms | VDW |
| 23. Neuralgia | |
| 24. Nausea | Nausea and Pregnancy |
| 25. Twitching | |
| 26. Night sweats | |
| 27. Weight gain | Weight loss and Vitamin D - many studies |
| 28. Hair loss | Vitamin D reduces hair loss - many studies |
| 29. Allergies | |
| 30. Hay fever | Hay Fever)) |
| 31. Susceptibility to infections | |
| 32. Tinnitus | Tinnitus and vitamin D |
| 33. Bleeding gums | |
| 34. Neurodermatitis | |
| 36. Morning stiffness | |
| 35. Painful abdominal cramps | |
| 37. Blood pressure problems | Hypertension |
| 38. Digestive problems | Gut |
| 39. Swallowing difficulties | |
| 40. Eye twitching | |
| 41. Tingling in the extremities | |
| 42. Sensitivity to the weather | |
| 43. Skin problems | Overview Skin and vitamin D |
| 44. Menstrual problems | |
| 45. Dizziness | |
| 46. Visual disturbances | |
| 47. Ringing in the ears | |
| 48. Knee pain | |
| 49. Shoulder problems | |
| 50. Shortness of breath |