Rankings / Longevity — Senolytics & Polyphenols

Cocoa flavanols (Theobroma cacao)

Longevity · Polyphenol / endothelial modulator

Tier A-

Reviewed by Read Off Label · Last reviewed · How we grade

cardiovascularpolyphenolotc
7.7 / 10
Tier A-
Ev 8 Bn 3.5 Sf 9

Bottom line

Read Off Label grades Cocoa flavanols (Theobroma cacao) as A- (7.7/10) based on strong evidence, low-med benefit magnitude, and a low-risk safety profile.

COSMOS (n=21,442) is the largest cocoa flavanol RCT — missed its primary CV composite endpoint but showed ~27% reduction in CV death (secondary).

Typical use: 500-900 mg cocoa flavanols/day (e. — OTC.

What this is

COSMOS (n=21,442) is the largest cocoa flavanol RCT — missed its primary CV composite endpoint but showed ~27% reduction in CV death (secondary). COSMOS-Mind suggested cognitive benefit in subgroups. Real but small effect; needs a standardized extract to deliver dose. Eating squares of dark chocolate doesn't reliably hit therapeutic flavanol intake.

Mechanism

(-)-Epicatechin and procyanidin B2; activate endothelial nitric oxide synthase (eNOS), improve flow-mediated dilation; mild BP reduction; possible hippocampal vascular effects

Dose & route

500-900 mg cocoa flavanols/day (e.g. CocoaVia at 500 mg per scoop); standardized extract preferred — supermarket dark chocolate is too variable

Citations

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Common questions

Does Cocoa flavanols (Theobroma cacao) work?
Read Off Label rates the evidence for Cocoa flavanols (Theobroma cacao) as Strong and the benefit magnitude as low-med, producing an overall grade of A- (7.7/10). COSMOS (n=21,442) is the largest cocoa flavanol RCT — missed its primary CV composite endpoint but showed ~27% reduction in CV death (secondary).
Is Cocoa flavanols (Theobroma cacao) safe?
Cocoa flavanols (Theobroma cacao) has a low risk profile in published human data. Legal status: OTC. This is not medical advice — see the disclaimer.
What is the typical dose for Cocoa flavanols (Theobroma cacao)?
500-900 mg cocoa flavanols/day (e.g. CocoaVia at 500 mg per scoop); standardized extract preferred — supermarket dark chocolate is too variable
How does Cocoa flavanols (Theobroma cacao) work?
(-)-Epicatechin and procyanidin B2; activate endothelial nitric oxide synthase (eNOS), improve flow-mediated dilation; mild BP reduction; possible hippocampal vascular effects

This is an independent synthesis of published research by a non-clinician. Scores are opinions supported by citations, not prescriptions. See the full disclaimer and methodology for how this score was produced and what it does and doesn't mean.