Quercetin Complex

R 408

Delivery in 2 - 3 working days

Sfera Quercetin Complex is blended to act as a source of antioxidants, assist with capillary/blood vessel protection and assist in minor pain, swelling and inflammation relief. Sfera Quercetin Complex is composed of Quercetin, Citrus bioflavonoids, Bromelain and stinging nettle extract.

Sophora japonica, also known as the Japanese pagoda tree, has buds and flowers which is traditionally used as a medicinal herb. Sophora japonica buds contains a yellow pigment flavonoid known as quercetin. Quercetin is reported to be a source of antioxidants and to act as a capillary/blood vessel protectant. 

Citrus aurantium, also known as bitter orange, is a type of orange plant native to Southeast Asia, which has been spread all over the world. Citrus aurantium fruit is a source of Bioflavonoids, which act as a source of anti-oxidants. 

Ananas comosus, commonly known as the pineapple plant, is a well-known tropical plant with an edible fruit. The pineapple fruit contains an enzyme known as Bromelain. Bromelain may assist with relief of minor pain, swelling and inflammation. 

Urtica dioica, commonly known as stinging nettle, is a herby plant with a wide distribution. Stinging nettle has been recorded for use as traditional medicine as far back as the 10th century. In Sfera products a Urtica dioica root extract is used with the aim to assist with general well-being.

One vegetarian capsule provides:
Sophora japonica (Quercetin) [flower] 300 mg
Citrus aurantium (Citrus Bioflavonoids) [fruit] 100 mg
Bromelain (80GUD/G)   50 mg
Urtica dioica (Nettle) [leaf extract]   50 mg
Other ingredients: Vegetarian capsule, natural flow agent and microcrystalline cellulose.


Take one (1) to three (3) capsules per day on an empty stomach, at least one hour before or two hours after a meal, or as directed by your health care provider.

Unique Features

Sfera Quercetin Complex contains added nettle and bromelain to aid in digestion and provide anti-inflammatory effects.

Key Benefits

  • Source of antioxidants
  • Capillary/blood vessel protectant
  • Minor pain, swelling and inflammation relief

Warnings & Precautions

The most common side-effects of Sfera Quercetin Complex are gastro-intestinal disturbances such as diarrhoea and nausea.

Do not take Sfera Quercetin Complex:

  • if you are hypersensitive (allergic) to any of the ingredients of Sfera Quercetin Complex.
  • if you have stomach ulcers, active bleeding, a history of bleeding or taking medications that thins the blood.

Consult your doctor prior to use, especially if you have a medical condition or are taking prescription medication. For use beyond 12 weeks, consult a registered health care provider.

Children and adolescents: Not suitable for children.

Pregnancy and breastfeeding: Do not use during pregnancy or breastfeeding.



[1] SAHRA Complementary Medicines – Health Supplements Safety and Efficacy.

[2] Sfera Quercetin Patient information leaflet

[3] Canadian Monograph: Quercetin

[4] Canadian Monograph:  Bromelain

[5] Canadian Monograph: Citrus Bioflavonoids

Customer Reviews

Based on 2 reviews
Reducing Inflammation and Allergies condition

Since my intake of Sfera Quercetin complex, inflammations really improve alot and cold and flu condition is from the past, not mention the great results for histamine intolerance and digestive gutlining issues.
Would absolutly recommend Quercetin complex for all!

Gabriella Alberoni
Quercetin for the anti-allergy win!

I've been taking Quercetin for a month now and I am happy to report that I haven't had to take any antihistamines. I'm also pretty impressed with the anti inflammatory effects and have also noted less negative gastrointestinal effects. Thank you!

Disclaimer: Product information and images correct at the time of publication. Sfera regularly updates product formulations and packaging to improve efficacy and quality, which can result in 2 or more concurrent variations in current stock in circulation.

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