Figure 1

![Figure 1: PRISMA flow diagram for the systematic review of vitamin B supplementation and cognitive decline prevention. The search strategy and study selection process are depicted for the meta-analysis examining B vitamin effects on cognition.]()

> Source: Annika Behrens et al. "Vitamin B-Can it prevent cognitive decline? A systematic review and meta-analysi." *Systematic reviews*, 2020. PMID: [32414424](https://pubmed.ncbi.nlm.nih.gov/32414424/)

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  <img src="" alt="PRISMA flow diagram for the systematic review of vitamin B supplementation and cognitive decline prevention. The search strategy and study selection process are depicted for the meta-analysis examining B vitamin effects on cognition." />
  <figcaption>Figure 1. PRISMA flow diagram for the systematic review of vitamin B supplementation and cognitive decline prevention. The search strategy and study selection process are depicted for the meta-analysis examining B vitamin effects on cognition.<br>  Source: Annika Behrens et al. "Vitamin B-Can it prevent cognitive decline? A systematic review and meta-analysi." <em>Systematic reviews</em>, 2020. PMID: <a href="https://pubmed.ncbi.nlm.nih.gov/32414424/">32414424</a></figcaption>
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