What is the recommended dosage for Cocoa Flavanols?

General: 200-900 mg/day cocoa flavanols; Dark Chocolate: 30-40g/day (70%+ cacao); Cosmos Trial Dose: 500 mg/day

What are the side effects of Cocoa Flavanols?

Potential side effects include: Mild gastrointestinal discomfort, Caffeine-related effects (insomnia, nervousness — from cocoa/chocolate sources), Headache (rare), Weight gain (if consuming as chocolate rather than extract).

What are cocoa flavanols and how may they support cardiovascular health?

Cocoa flavanols, particularly epicatechin, have demonstrated cardiovascular benefits in numerous clinical trials. The COSMOS trial (21,442 participants) showed that cocoa flavanol supplementation reduced cardiovascular death by 27%. Flavanols improve endothelial function, reduce blood pressure, and improve arterial flexibility.

What dosage of cocoa flavanols has been studied for cardiovascular health?

The COSMOS trial used 500 mg of cocoa flavanols daily (including 80 mg epicatechin). Other trials used 200–900 mg of total cocoa flavanols per day. Dark chocolate (70%+ cocoa) contains flavanols, but amounts vary greatly by processing. Supplements provide more consistent and standardized doses than food sources.

What are the potential side effects of cocoa flavanol supplements?

Cocoa flavanols are generally well tolerated. Cocoa-based products may contain caffeine and theobromine, which can cause insomnia or restlessness in sensitive individuals. Some people experience mild gastrointestinal discomfort. Cocoa flavanols may enhance antiplatelet effects of medications. Choose products with minimal added sugar and cadmium testing.

Cocoa Flavanols
Cocoa Flavanols

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다른 이름: Cocoa Polyphenols, Cocoa Extract, Dark Chocolate Flavanols, Epicatechin, CocoaVia

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Cocoa flavanols, particularly (-)-epicatechin, activate endothelial nitric oxide synthase improving flow-mediated dilation. The COSMOS trial (21,442 participants, 3.6 years) — the largest flavanol supplement trial ever — found cocoa extract at 500 mg/day reduced cardiovascular mortality by 27%. EFSA has approved a health claim for cocoa flavanols and vascular elasticity.

How It Works

(-)-Epicatechin and related procyanidins activate endothelial nitric oxide synthase (eNOS) via PI3K/Akt signaling; sustained NO production improves flow-mediated dilation; inhibit NADPH oxidase reducing superoxide-mediated NO degradation; reduce platelet reactivity; improve insulin sensitivity and reduce blood pressure through arterial compliance improvement.

Evidence For Conditions

건강 상태	등급	연구	참여자
Endothelial Dysfunction	A	30	25000	보기 →
High Blood Pressure (Hypertension)	C	20	1000	보기 →

Side Effects

Mild gastrointestinal discomfort
Caffeine-related effects (insomnia, nervousness — from cocoa/chocolate sources)
Headache (rare)
Weight gain (if consuming as chocolate rather than extract)

Drug & Supplement Interactions

Anticoagulants (mild antiplatelet effect at high doses)
MAO inhibitors (cocoa contains tyramine)
Adenosine (caffeine in cocoa may antagonize)
Blood pressure medications (additive hypotensive effect)

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Related Ingredients

Nitric Oxide Boosters Beetroot Extract Olive Leaf Extract

핵심 정보

용량: General: 200-900 mg/day cocoa flavanols; Dark_Chocolate: 30-40g/day (70%+ cacao); Cosmos_Trial_Dose: 500 mg/day
제형: capsule powder dark chocolate cocoa powder
천연 원료: Dark chocolate (70%+ cacao), Cocoa powder (unprocessed — Dutch-processing destroys flavanols), Cacao nibs
상한 섭취량: Not formally established; 2,000 mg/day used in some trials
권장 복용 시간: With or without food; daily consumption for sustained vascular benefit

근거 요약

Endothelial Dysfunction A

High Blood Pressure (Hypertension) C

FDA 면책 조항: 이 내용은 미국 식품의약국(FDA)의 평가를 받지 않았습니다. 이 웹사이트의 제품 및 정보는 질병의 진단, 치료, 완치 또는 예방을 목적으로 하지 않습니다. 제시된 근거 등급은 발표된 동료 심사 연구에 대한 우리의 분석에 기반하며, 의학적 조언을 구성하지 않습니다. 건강기능식품 복용을 시작하기 전에 반드시 의료 전문가와 상담하십시오.