What are the side effects of quercetin?
What are the side effects of quercetin?
Common side effects of quercetin include:
- Headache (oral use)
- Numbness and tingling (oral use)
- Shortness of breath (intravenous use)
- Nausea and vomiting (intravenous use)
- Kidney damage (intravenous use greater than 945 mg/m2)
What does quercetin do for your body?
Quercetin has antioxidant and anti-inflammatory effects that might help reduce swelling, kill cancer cells, control blood sugar, and help prevent heart disease.
What medications should not be taken with quercetin?
Interactions. Be careful if you are taking drugs such as antibiotics, cyclosporine, warfarin, or drugs that are changed by the liver. Quercetin may change how these drugs work and raise the risk of side effects.
Is quercetin good for immune system?
Quercetin is known for its antioxidant activity in radical scavenging and anti-allergic properties characterized by stimulation of immune system, antiviral activity, inhibition of histamine release, decrease in pro-inflammatory cytokines, leukotrienes creation, and suppresses interleukin IL-4 production.
How does quercetin affect the liver?
The Flavonoid Quercetin Ameliorates Liver Inflammation and Fibrosis by Regulating Hepatic Macrophages Activation and Polarization in Mice. At present, there are no effective antifibrotic drugs for patients with chronic liver disease; hence, the development of antifibrotic therapies is urgently needed.
Does quercetin affect sleep?
In summary, this investigation demonstrated that 6 weeks of supplementation with 1 g/day quercetin did not affect energy, fatigue, or sleep quality in moderately trained men and women.
Can you take NAC and quercetin together?
This is why quercetin should always be co-administered with vitamin C and NAC. When taken together, these nutrients have a synergistic effect beyond what any of them can provide individually.
Can you take quercetin with vitamin C?
A multi-drug approach with quercetin and vitamin C may disrupt virus entry, replication, enzyme activity and assembly, and concurrently fortify the immune response promoting early IFNs production, modulating interleukins, promoting T cell maturation, and phagocytic activity.
Is quercetin an antiviral?
Quercetin displays a broad range of antiviral properties which can interfere at multiple steps of pathogen virulence -virus entry, virus replication, protein assembly- and that these therapeutic effects can be augmented by the co-administration of vitamin C.
Is quercetin hard on the liver?
Quercetin as a nutritional supplement is well tolerated and has not been linked to serum enzyme elevations or to episodes of clinically apparent liver injury.
Is quercetin good for your eyes?
Quercetin has been widely studied in the field of ophthalmology because of its strong antioxidant, anti-inflammatory, immunomodulatory, anti-carcinogenic, vascular protection, neuroprotection, and other biological activities. It is expected to act as a potentially effective therapeutic drug for ophthalmic diseases.
Are there any side effects to taking quercetin?
Luckily, Quercetin side effects are minimal and this plant-based dietary supplement is generally considered safe at the recommended dosages. High doses may cause headaches and an upset stomach. There are some warnings about Quercetin side effects regarding interactions with medication, and it should not be used by pregnant or breastfeeding women.
Where can I find quercetin in my diet?
Quercetin is a bioflavonoid compound found in many plants – especially in fruits and vegetables. It can be found in high quantities in red wine, onions, green tea, apples, berries, and Gingko Biloba.
Are there any medical uses for quercetin tea?
Buckwheat tea has a large amount of quercetin. Some people use quercetin as a medicine. Quercetin is most commonly used for conditions of the heart and blood vessels and to prevent cancer. It is also used for arthritis, bladder infections, and diabetes, but there is limited scientific evidence to support these uses.
Is it safe to take quercetin before exercise?
Taking quercetin by mouth before exercise doesn’t decrease fatigue or improve exercise ability. There is interest in using quercetin for a number of other purposes, but there isn’t enough reliable information to say whether it might be helpful. When taken by mouth: Quercetin is possibly safe for most people when used short-term.