Flavonoids are plant-derived polyphenols found in many fruits, vegetables, teas, and other foods. They are studied for antioxidant, anti-inflammatory, and vascular effects.

What are the main health benefits of flavonoids?

Dietary flavonoids may support antioxidant defenses, help modulate inflammation, and support vascular function. Observational research also links flavonoid-rich diets with better cardiovascular outcomes.

What foods are high in flavonoids?

Common sources include berries, citrus fruits, apples, onions, leafy greens, legumes, tea, cocoa, and red or purple fruits and vegetables. Different foods provide different flavonoid subtypes.

How much flavonoids should you get per day?

There is no single established daily requirement for total flavonoids. Many people aim to increase intake by eating a variety of colorful plant foods; supplemental intakes are often discussed in the range of about 50–1000 mg/day depending on the product and goals.

Are flavonoid supplements safe for everyone?

Flavonoids from foods are generally considered safe for most people. Supplements can vary in dose and composition and may interact with medications or be unsuitable in certain conditions, so it’s best to check with a clinician if you use high-dose products.

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Flavonoids

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Flavonoids are plant-derived polyphenols with antioxidant and anti-inflammatory properties that may support heart health, immune function, and longevity.

Longevity Anti-inflammatory Cardiovascular Support Cancer-inhibitor Antioxidant Immune Booster

Doz aralığı

50–1000 mg

divided between meals

Gelir

Best obtained from a variety of plant foods. Supplements should be taken with meals unless otherwise directed.

Yağda çözünmez.

En iyi zaman

Best taken with food to enhance absorption; dietary sources should be spread across the day.

Açıklama

Flavonoids are a diverse group of plant compounds found in many fruits, vegetables, teas, and other foods. They have been studied for their potential benefits in human health, mainly due to their antioxidant, anti-inflammatory, and vascular effects.

Avantajlar

Kanıt derecesi ile ana etkiler

Moderate

Kanıtla ilgili not

Most benefits are observed from habitual dietary intake; supplemental effects are less well established.

Antioxidant protection

Moderate

Flavonoids can help neutralize free radicals and reduce oxidative stress in the body, contributing to cellular health.

Özellikle ilgili olduğu kişiler: Adults · Aging population

NIHODS2014 · NIH Office of Dietary Supplements: Flavonoids Fact Sheet PubMed32725287 · Flavonoids and Human Health: Epidemiological Evidence and Mechanisms of Action PMID32183497 · Dietary flavonoids: Chemistry and biological activities

Anti-inflammatory effects

Moderate

Regular intake of dietary flavonoids may help lower inflammation markers and reduce chronic inflammation risk.

Özellikle ilgili olduğu kişiler: Adults

PubMed32725287 · Flavonoids and Human Health: Epidemiological Evidence and Mechanisms of Action PMID32183497 · Dietary flavonoids: Chemistry and biological activities Examine2024 · Examine.com: Flavonoids

Cardiovascular support

Moderate

Habitual consumption is linked to improved vascular function and lower risk of heart disease and stroke.

Özellikle ilgili olduğu kişiler: Adults · Aging population

NCCIHflav2022 · NCCIH: Flavonoids and Health PMID30676076 · Role of Dietary Flavonoids in the Prevention of Cardiovascular Disease NIHODS2014 · NIH Office of Dietary Supplements: Flavonoids Fact Sheet

Immune system support

Limited

Some flavonoids can help modulate immune responses and may reduce the incidence of some infections.

Özellikle ilgili olduğu kişiler: General population

NIHODS2014 · NIH Office of Dietary Supplements: Flavonoids Fact Sheet PubMed32725287 · Flavonoids and Human Health: Epidemiological Evidence and Mechanisms of Action

Potential cancer risk reduction

Limited

Epidemiological studies suggest flavonoid-rich diets may be associated with lower cancer risk, although direct causality is unproven.

Özellikle ilgili olduğu kişiler: Adults

PubMed32725287 · Flavonoids and Human Health: Epidemiological Evidence and Mechanisms of Action NIHODS2014 · NIH Office of Dietary Supplements: Flavonoids Fact Sheet

Güvenlik ve Uyarılar

Önemli güvenlik bilgileri ve bilinen riskler

Sadece eğitim amaçlıdır • tıbbi tavsiye değildir

Flavonoids from foods are generally safe; potential safety concerns mainly relate to high-dose supplements.

Uyarılar

High doses from supplements may increase the risk of interactions with medications, especially blood thinners.
Some flavonoids at high supplemental doses may have estrogenic effects or affect thyroid function.
Adverse effects from dietary intakes are rare, but some supplements have been associated with gastrointestinal symptoms.
Avoid high-dose flavonoid supplements during pregnancy or breastfeeding unless recommended by a healthcare provider.
Consult a healthcare provider before using high-dose supplements if you have a bleeding disorder or take anticoagulant medications.
People with hormone-sensitive cancers should use caution with some flavonoid types due to potential estrogenic effects.

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