Evidence brief · Supplement
Cocoa Flavanols for Cognition / brain blood flow
Evidence grade C — Emerging
- Overall grade
- Grade C
- Last revised
- 1
- graded outcome
- 0
- references listed
Assembled by the app from other entries in this library. It adds no evidence of its own — follow the links to the entries it draws on.
1 at grade C — 1 graded row
What is known
Each outcome with its grade (how strong the evidence is, A to D), the size of the effect where the entry records one, and how often studies agree.
- Cognition / brain blood flowEvidence grade C
Emerging
Smallmixed
What is uncertain
Read off the same rows as above. Nothing here is added that the entry does not itself record.
- Thin evidence: Cognition / brain blood flow (grade C).
The evidence in words
The verdict
For cognition / brain blood flow, Cocoa Flavanols earns evidence grade C (small effect, mixed consistency) — the evidence is limited or mixed. Emerging
How it might work
They boost nitric-oxide-mediated vasodilation, improving endothelial function and blood flow, including to the brain.
How to use it
~500 mg cocoa flavanols/day from a standardized supplement or high-flavanol cocoa; dark chocolate is a weak, sugary source.
Safety & cautions
Safe; watch caffeine/theobromine and the sugar in chocolate.
Bottom line
A real vascular benefit from cocoa flavanols — but get them from a standardized source, not a candy bar. ~500 mg/day.
How it is used
As the entry records it, from the studies it summarises. Not a recommendation for you — doses that suit a trial population may not suit you.
- Standard
- ~500 mg cocoa flavanols/day, standardized.
Goes with
- Cocoa FlavanolsRead the full Cocoa Flavanols monographEvidence grade B
Related reading
Entries that share this one's tags or conditions.
- Cocoa Flavanols for Blood pressureEvidence grade B — Modest reductionEvidence grade B
- Cocoa Flavanols for Endothelial functionEvidence grade B — Flow-mediated dilationEvidence grade B
- Cocoa Flavanols for HypertensionEvidence grade B — ModestEvidence grade B
- Cocoa Flavanols: dosage and how to take it~500 mg cocoa flavanols/day, standardized.Evidence grade B
Sources
This entry lists no references of its own — it is assembled from the entries it links to, whose sources are on their pages.
Last revised . A grade is this entry's reading of the evidence, not medical advice.