The Claim
In healthy older adults, acute ingestion of 494 mg cocoa flavanols produces a regionally specific increase in cerebral perfusion, with no significant increase observed when comparing low flavanol conditions to high flavanol conditions, indicating that the observed effect is not attributable to general metabolic or placebo-driven changes.
What the research says
Supports is higher
Support is ahead, but a single strong opposing study can change this.
These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.
When older adults eat a specific amount of cocoa flavanols, blood flow in certain parts of their brain goes up—but only in those areas, and not because they just think it should work or because their body is reacting to anything else.
See the scientific wording
The acute cerebral perfusion response to 494 mg cocoa flavanols in healthy older adults is regionally specific, with no significant increase observed in the reverse contrast (low vs. high flavanol), indicating that the effect is not due to general metabolic or placebo-driven changes.
What the research says
1 studyScientists gave older adults a special cocoa drink with lots of flavanols and found that it increased blood flow to specific brain areas — but a drink with very few flavanols didn’t do anything. This means the brain response was real and not just because people thought they were getting something good.
Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.