Combination check · NIH reference values

Can you take Vitamin B12 and Vitamin E together?

No known interaction

Yes — there's no established interaction between Vitamin B12 and Vitamin E; they work through unrelated pathways and are commonly taken in the same stack.

🕑 How to time them

No separation needed. Typical timing: Vitamin B12 — morning; Vitamin E — with a meal. Vitamin E is fat-soluble — take it with a meal that contains some fat.

Vitamin B12 is typically taken for nerve health, red blood cells, energy metabolism Vitamin E is used for antioxidant, protects cell membranes Different mechanisms, no documented conflict — the practical questions are whether you need each one at all, and whether each dose is sensible on its own.

For context: a typical daily amount of Vitamin B12 is 2.4 mcg, and Vitamin B12 has no formal upper limit (none set). A typical daily amount of Vitamin E is 15 mg, and the upper limit for Vitamin E is 1,000 mg.

The two supplements, side by side

Vitamin

Vitamin B12

Nerve health, red blood cells, energy metabolism.

Typical / RDA2.4 mcg
Upper limitNone set
EvidenceStrong
Full Vitamin B12 guide →
Vitamin

🥑 Vitamin E

Antioxidant, protects cell membranes.

Typical / RDA15 mg
Upper limit1,000 mg
EvidenceLimited
Full Vitamin E guide →

What each one needs you to watch

  • Vitamin B12:Metformin and long-term acid reducers lower B12 — monitor if you take them.
  • Vitamin E:High doses thin the blood — caution with warfarin and before surgery.

Common questions

Can you take Vitamin B12 and Vitamin E together?

Yes — there's no established interaction between Vitamin B12 and Vitamin E; they work through unrelated pathways and are commonly taken in the same stack.

How should you time Vitamin B12 and Vitamin E?

No separation needed. Typical timing: Vitamin B12 — morning; Vitamin E — with a meal. Vitamin E is fat-soluble — take it with a meal that contains some fat.

Are Vitamin B12 and Vitamin E already in a multivitamin?

Usually yes — most multivitamins contain both Vitamin B12 and Vitamin E. If you take a multi on top of standalone pills, add up all three labels; the combined total is what counts against each nutrient's upper limit.

Related guides

Check other combinations

Vitamin B12 + MagnesiumVitamin B12 + Vitamin D3Vitamin B12 + ZincVitamin B12 + IronVitamin E + MagnesiumVitamin E + Vitamin D3Vitamin E + ZincVitamin E + IronAll combinations →

Sources

Reference values: NIH Office of Dietary Supplements, adult general population. Educational information only — not medical advice. Medication interactions are individual: confirm your specific situation with a healthcare professional.

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