OptimalNourish

Form guide

Best form of Vitamin B12

What is the best form of Vitamin B12?

Most people get the best results from Vitamin B12 in sublingual form. Dissolves under the tongue. Bypasses initial digestion for select compounds (e.g. B12, melatonin).

Sublingual

Most recommended

Dissolves under the tongue. Bypasses initial digestion for select compounds (e.g. B12, melatonin).

Absorption:
fast
Convenience:
high
Shelf life:
medium

Pros

  • Fast onset
  • Useful when digestion is a concern

Cons

  • • Limited compounds suit this format
  • • Hold under tongue for full minute

Tablet

Compressed powder, sometimes coated. Cheapest format per dose.

Absorption:
standard
Convenience:
high
Shelf life:
long

Pros

  • Cheapest per dose
  • Long shelf life
  • Often scored to split

Cons

  • • Binders and coatings vary by brand
  • • Slower disintegration

Capsule

Gelatin or veggie shell holding powder. Standard release; easy to dose precisely.

Absorption:
standard
Convenience:
high
Shelf life:
long

Pros

  • Precise per-dose amount
  • Travel-friendly
  • Neutral taste
  • Long shelf life

Cons

  • • Slower onset than liquids
  • • Can be hard to swallow for some
See timing guide for Vitamin B12

Compare Vitamin B12 forms head-to-head

Other vitamin form guides

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