Condition
Vitamin D / B12 deficiency
Low vitamin D or vitamin B12 is found on a blood test and can sit alongside tiredness. Supplements, if they are used, are your doctor's decision.
Common signs
- Tiredness
- Low mood
- Aches
- Tingling or numbness when B12 is low
How Happy's Clinic helps
- Daily WhatsApp monitoring
- Doctor reviews
- Bring your own test reports
- Lifestyle support
See a doctor for a diagnosis. This page is not for emergencies. If you need emergency care, call 112.