Product Fact Sheet

Quercetin 500mg

VitaHealth Quercetin 500mg is a high-strength quercetin supplement that is uniquely formulated as a natural alternative to antihistamines and is also equipped with immune-boosting properties. Quercetin helps relieve allergic reactions naturally without the side effects of antihistamine drugs. Quercetin is a pigment/flavonoid originating from vegetables and fruits. It is one of the most studied polyphenols in botanical tradition and has powerful antioxidant properties that neutralize free radicals. Besides its antihistamine properties, quercetin has unique strengths, such as antibacterial and antiviral properties. This makes it ideal for combating infection and boosting the immune system.

Each vegetable capsule contains:

Quercetin

500mg

Salix alba, cortex (White willow bark extract)

200mg

Acanthopanacis radicis, cortex

80mg

Taxillus chinensis (DC) danser, folium

80mg

Drynaria fortunei, rhizoma

60mg

Clematis chinensis, radix

60mg

Directions:

Adults – Take 1 vegetable capsule, once daily, after a meal or as recommended by a doctor or pharmacist.

Why Choose VitaHealth Quercetin 500mg?

High-strength (500mg) natural antihistamine in the market
Natural alternative to antihistamine drugs
Does not have any side effects like other antihistamines
Powerful antioxidant and anti-inflammatory properties
Act as a complementary approach in managing eczema (atopic dermatitis)
Present in quercetin dihydrate, which provides higher bioavailability
Inhibits the release of histamine, thereby reducing side effects such as itchy eyes, sneezing, and sinus congestion
Helps prevent sinusitis, asthma, and bronchitis as well as boost the immune system to fight against viral infection.
Vegan-friendly

Benefits

Quercetin

Antibacterial and antiviral properties that help boost the immune system to fight against viral infection
Helps relieve allergic reactions by inhibiting the release of histamine, thereby reducing side effects such as itchy eyes, runny nose, and sneezing
Helps alleviate the symptoms of upper respiratory tract infection, such as sinusitis and allergic rhinitis, and provides relief from asthma and bronchitis

Target Customers

Individuals who rely on antihistamines and are looking for a natural alternative
Individuals who are prone to allergic reactions
Individuals with poor respiratory systems
Individuals who have sinusitis
Individuals who want to improve their immunity
Individuals who are prone to colds and flu
Individuals with skin allergies like eczema

References :

Qi, W., Qi, W., Xiong, D., & Long, M. (2022). Quercetin: Its Antioxidant Mechanism, Antibacterial Properties and Potential Application in Prevention and Control of Toxipathy. Molecules, 27(19), 6545. https://doi.org/10.3390/molecules27196545
Mlcek, J., Jurikova, T., Skrovankova, S., & Sochor, J. (2016). Quercetin and Its Anti-Allergic Immune Response. Molecules, 21(5), 623. https://doi.org/10.3390/molecules21050623
Heinz, S. A., Henson, D. A., Austin, M. D., Jin, F., & Nieman, D. C. (2010). Quercetin supplementation and upper respiratory tract infection: A randomized community clinical trial. Pharmacological Research, 62(3), 237–242. https://doi.org/10.1016/j.phrs.2010.05.001
Hattori, M., Mizuguchi, H., Baba, Y., Ono, S., Nakano, T., Zhang, Q., Sasaki, Y., Kobayashi, M., Kitamura, Y., Takeda, N., & Fukui, H. (2013). Quercetin inhibits transcriptional up-regulation of histamine H1 receptor via suppressing protein kinase C �/extracellular signal-regulated kinase/poly(ADP-ribose) polymerase-1 signaling pathway in HeLa cells. International Immunopharmacology, 15(2), 232–239.
https://doi.org/10.1016/j.intimp.2012.12.030
Rizky, W. C., Jihwaprani, M. C., & Mushtaq, M. (2022). Protective mechanism of quercetin and its derivatives in viral-induced respiratory illnesses. The Egyptian Journal of Bronchology, 16(1).
https://doi.org/10.1186/s43168-022-00162-6