Relationship: Joints and quercetin

Evidence supporting the use of: Quercetin
For the body system: Joints

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Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Quercetin is a flavonoid commonly found in many fruits and vegetables, and it has been studied for its potential anti-inflammatory properties. The rationale for using quercetin to support joint health primarily comes from its ability to modulate inflammatory pathways, such as inhibiting the production of pro-inflammatory cytokines (e.g., TNF-α, IL-1β) and enzymes (e.g., COX-2) associated with joint inflammation and degradation. Several in vitro and animal studies have shown that quercetin can reduce markers of inflammation and oxidative stress relevant to joint diseases like osteoarthritis and rheumatoid arthritis. For example, animal models have demonstrated decreased joint swelling and cartilage destruction after quercetin supplementation.

However, human clinical data are limited. A handful of small randomized controlled trials have explored quercetin supplementation in patients with rheumatoid arthritis or other inflammatory joint conditions, showing modest improvements in symptoms such as morning stiffness and pain. These studies often use relatively high doses of quercetin and short durations, which limits generalizability. While the body of evidence is growing, it is not yet robust or sufficient for strong recommendations.

In summary, the use of quercetin for joint support is justified by preclinical scientific evidence and some early clinical trials, but more high-quality human research is needed to confirm efficacy and safety. Thus, the evidence rating is moderate.

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Other body systems supported by quercetin

Arteries
Blood
Brain
Capillaries
Circulatory System
Gastrointestinal Tract
Heart
Immune System
Intestinal System
Joints
Lungs
Mitochondria
Prostate
Respiratory System
Sinuses
Skin
Veins

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Health Concerns

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Evidence supporting the use of: Quercetin
For the body system: Joints

Table of Contents

Synopsis

Other ingredients that support Joints

Other body systems supported by quercetin

Products containing quercetin

Health Concerns

Brands

Evidence supporting the use of: QuercetinFor the body system: Joints

Table of Contents

Synopsis

Other ingredients that support Joints

Other body systems supported by quercetin

Products containing quercetin

Evidence supporting the use of: Quercetin
For the body system: Joints