Researchers propose spirulina as a sustainable source of vitamin B12 to address deficiencies.

What it means

This headline reports a proposal, apparently from researchers, to use spirulina — a blue-green algae supplement — as a sustainable source of vitamin B12 to help cover deficiencies, especially for people on plant-based diets. The catch is that the B12 in spirulina is largely a form called pseudo-B12, which humans cannot properly use, so the claim needs qualified wording about bioavailable B12.

Accuracy & sourcesGrounded

This is an aggregated/secondary news item with no primary study cited, so the underlying claim is not directly verifiable from the piece itself. The general idea is plausible as a research topic, but the uncritical framing that spirulina can 'offer' B12 conflicts with the known limited human bioavailability of its B12 content.

How new

Per the verified grounding window, this was published on 2026-08-30 and no recirculation year is indicated, so it is current reporting rather than resurfaced material.

Go deeper

• Science Daily release