Can You Take Vitamin B12 and Vitamin D Together?
No documented interaction was identified between vitamin B12 and vitamin D in the sources reviewed.
What the interaction means
The NIH ODS vitamin B12 fact sheet's interactions section names only gastric acid inhibitors and metformin -- vitamin D is not named. MedlinePlus's vitamin D page does not mention vitamin B12.
No documented interaction was identified in the authoritative sources reviewed. This is not a guarantee that no interaction exists for every dose, formulation, or individual -- it means the sources checked did not document one.
Practical context
Both substances' own current authoritative sources were checked directly, in both directions.
What the sources say
Last reviewed 2026-08-23
Medical information disclaimer: this information is general and educational. It does not diagnose conditions, prescribe treatment, or determine whether a combination is safe for you personally. Follow your prescription label and ask a pharmacist or clinician before starting, stopping, or combining products. Full disclaimer.
Related interactions
- Vitamin B12 and CiprofloxacinInsufficient evidence
- Vitamin B12 and CalciumInsufficient evidence
- Vitamin B12 and MetforminMonitor
- Vitamin B12 and MagnesiumInsufficient evidence
- Vitamin B12 and OmeprazoleMonitor
- Vitamin B12 and IronInsufficient evidence
- Vitamin B12 and WarfarinInsufficient evidence
- Vitamin B12 and TurmericInsufficient evidence
- Vitamin B12 and MelatoninInsufficient evidence
- Vitamin B12 and St. John's WortInsufficient evidence
- Vitamin B12 and ZincInsufficient evidence
- Vitamin B12 and CoQ10 (Coenzyme Q10)Insufficient evidence
- Vitamin B12 and CopperInsufficient evidence
- Vitamin B12 and LisinoprilInsufficient evidence
- Vitamin B12 and DoxycyclineInsufficient evidence
- Vitamin B12 and ProbioticsInsufficient evidence
- Vitamin B12 and AtorvastatinInsufficient evidence
- Vitamin B12 and CreatineInsufficient evidence
- Vitamin B12 and CaffeineInsufficient evidence
- Vitamin B12 and SertralineInsufficient evidence
- Vitamin B12 and Vitamin KInsufficient evidence
- Vitamin B12 and LevothyroxineInsufficient evidence
- Vitamin B12 and PotassiumInsufficient evidence
- Vitamin B12 and SpironolactoneInsufficient evidence
- Vitamin D and CalciumInformational
- Vitamin D and Vitamin KInsufficient evidence
- Vitamin D and IronInsufficient evidence
- Vitamin D and CiprofloxacinInsufficient evidence
- Vitamin D and LevothyroxineInsufficient evidence
- Vitamin D and MagnesiumInsufficient evidence
- Vitamin D and WarfarinInsufficient evidence
- Vitamin D and CoQ10 (Coenzyme Q10)Insufficient evidence
- Vitamin D and PotassiumInsufficient evidence
- Vitamin D and St. John's WortInsufficient evidence
- Vitamin D and DoxycyclineInsufficient evidence
- Vitamin D and CopperInsufficient evidence
- Vitamin D and TurmericInsufficient evidence
- Vitamin D and LisinoprilInsufficient evidence
- Vitamin D and ZincInsufficient evidence
- Vitamin D and SpironolactoneInsufficient evidence
- Vitamin D and MetforminInsufficient evidence
- Vitamin D and ProbioticsInsufficient evidence
- Vitamin D and MelatoninInsufficient evidence
- Vitamin D and OmeprazoleInsufficient evidence
- Vitamin D and SertralineInsufficient evidence
- Vitamin D and AtorvastatinInsufficient evidence
- Vitamin D and CaffeineInsufficient evidence
- Vitamin D and CreatineInsufficient evidence