{"id":9291268489475,"title":"Designs for Health Australia Quercetin + Nettles","handle":"designs-for-health-quercetin-nettles-copy","description":"\u003ch4\u003eQuercetin\u003c\/h4\u003e\n\u003cdiv\u003eQuercetin + Nettles utilises an innovative form of quercetin known as Quercefit®, which incorporates a phospholipid base for enhanced absorption and bioavailability. Quercetin is traditionally difficult for the body to absorb. When attached to the lecithin-based phytosome, the solubility of quercetin is increased by 20 times, allowing for improved serum levels after supplementation.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"product-tech-description\"\u003e\n\u003ch4\u003eAnti-inflammatory and immunomodulatory functions\u003c\/h4\u003e\n\u003cdiv\u003eQuercetin is a bioflavonoid compound that can affect immunity and inflammation by targeting leukocytes and influencing the activity of membrane proteins, enzymes and signalling molecules.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"product-tech-description\"\u003e\n\u003cdiv class=\"product-tech-description\"\u003e\n\u003cdiv class=\"product-tech-description\"\u003e\n\u003cdiv\u003eIt is known for its effects as an anti-inflammatory and immunomodulator, particularly in conditions associated with mast cell, neutrophil and basophil degranulation and subsequent histamine release in both cellular and humoral immune responses.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eIt does this by inhibiting the activation of mast cells whilst also stabilising their membranes to inhibit degranulation and histamine release – one study showing that histamine release in nasal tissues may be reduced by between 46% and 99%.4,7 Other anti-inflammatory actions include inhibiting the release of Th-2 derived cytokines and reducing the secretion of antigen-specific IgE antibodies by B-cells. It also suppresses the production of both periostin and periostininduced eosinophil chemoattractants and nitric oxide production in the epithelial tissues of the nose and sinuses.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eFurthermore, Quercetin may also reduce the expression of vasoactive intestinal polypeptide (VIP), capillary permeability and platelet aggregation.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eIt has also been shown to inhibit nuclear factor-kappa B and therefore the subsequent the production and activity of inflammatory cytokines such as prostaglandins, leukotrienes, nitric oxide synthase. It can also inhibit cyclooxygenase-2 enzymes and modify the function of neutrophils.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003ePreclinical studies have suggested that quercetin also promotes neutrophil chemotaxis and the phagocytic activity of macrophages and Natural Killer cells.\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"product-tech-description\"\u003e\n\u003cdiv class=\"product-tech-description\"\u003e\n\u003cdiv class=\"product-tech-description\"\u003e\n\u003cdiv class=\"product-tech-description\"\u003e\n\u003ch4\u003eAntioxidant functions\u003c\/h4\u003e\n\u003cdiv\u003eLike other phenolic flavonoid compounds, quercetin shows potent antioxidant activity related to its catechol-type-Bring structure. Suggested mechanisms include direct free radical scavenging, metal chelation (it supresses generation of free radicals by heavy metals), enzyme inhibition or the stimulation of protective enzymes.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch4\u003eUrtica dioica (Nettle)\u003c\/h4\u003e\n\u003cdiv\u003eNettle is arguably the most nutritive of herbs available to practitioners. It has a high quercetin content which is thought to contribute to its effects on the immune system. Preclinical studies have indicated an anti-inflammatory activity via the inhibition of interleukin-2 and interferongamma production as well as the lipopolysaccharide stimulation of TNF-alpha\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","published_at":"2026-02-05T10:19:57+08:00","created_at":"2026-02-05T10:17:56+08:00","vendor":"Designs for Health Australia","type":"Practitioner","tags":["Antioxidants\/Herbal Formulas","Brand_Designs for Health Australia","Dairy Free","Foundational Health - Specialised Formulas","Gluten Free","Immune Health","Immune Health Allergies \u0026 Inflammation Support","Non-GMO","Product Category_Practitioner","Product Type_Specialised Formulas","Vegetarian"],"price":31800,"price_min":31800,"price_max":31800,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":47712291389699,"title":"Capsules \/ 60","option1":"Capsules","option2":"60","option3":null,"sku":"QUN060-AU","requires_shipping":false,"taxable":false,"featured_image":null,"available":true,"name":"Designs for Health Australia Quercetin + Nettles - Capsules \/ 60","public_title":"Capsules \/ 60","options":["Capsules","60"],"price":31800,"weight":180,"compare_at_price":null,"inventory_management":null,"barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/inl.asia\/cdn\/shop\/files\/DFHAUQuercetin_Nettlesbottle.png?v=1770257967","\/\/inl.asia\/cdn\/shop\/files\/DFHAUQuercetin_Nettleslabel.png?v=1770257967"],"featured_image":"\/\/inl.asia\/cdn\/shop\/files\/DFHAUQuercetin_Nettlesbottle.png?v=1770257967","options":["Item Type","Quantity"],"media":[{"alt":null,"id":40709932351747,"position":1,"preview_image":{"aspect_ratio":0.815,"height":454,"width":370,"src":"\/\/inl.asia\/cdn\/shop\/files\/DFHAUQuercetin_Nettlesbottle.png?v=1770257967"},"aspect_ratio":0.815,"height":454,"media_type":"image","src":"\/\/inl.asia\/cdn\/shop\/files\/DFHAUQuercetin_Nettlesbottle.png?v=1770257967","width":370},{"alt":null,"id":40709932318979,"position":2,"preview_image":{"aspect_ratio":2.423,"height":196,"width":475,"src":"\/\/inl.asia\/cdn\/shop\/files\/DFHAUQuercetin_Nettleslabel.png?v=1770257967"},"aspect_ratio":2.423,"height":196,"media_type":"image","src":"\/\/inl.asia\/cdn\/shop\/files\/DFHAUQuercetin_Nettleslabel.png?v=1770257967","width":475}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch4\u003eQuercetin\u003c\/h4\u003e\n\u003cdiv\u003eQuercetin + Nettles utilises an innovative form of quercetin known as Quercefit®, which incorporates a phospholipid base for enhanced absorption and bioavailability. Quercetin is traditionally difficult for the body to absorb. When attached to the lecithin-based phytosome, the solubility of quercetin is increased by 20 times, allowing for improved serum levels after supplementation.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"product-tech-description\"\u003e\n\u003ch4\u003eAnti-inflammatory and immunomodulatory functions\u003c\/h4\u003e\n\u003cdiv\u003eQuercetin is a bioflavonoid compound that can affect immunity and inflammation by targeting leukocytes and influencing the activity of membrane proteins, enzymes and signalling molecules.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"product-tech-description\"\u003e\n\u003cdiv class=\"product-tech-description\"\u003e\n\u003cdiv class=\"product-tech-description\"\u003e\n\u003cdiv\u003eIt is known for its effects as an anti-inflammatory and immunomodulator, particularly in conditions associated with mast cell, neutrophil and basophil degranulation and subsequent histamine release in both cellular and humoral immune responses.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eIt does this by inhibiting the activation of mast cells whilst also stabilising their membranes to inhibit degranulation and histamine release – one study showing that histamine release in nasal tissues may be reduced by between 46% and 99%.4,7 Other anti-inflammatory actions include inhibiting the release of Th-2 derived cytokines and reducing the secretion of antigen-specific IgE antibodies by B-cells. It also suppresses the production of both periostin and periostininduced eosinophil chemoattractants and nitric oxide production in the epithelial tissues of the nose and sinuses.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eFurthermore, Quercetin may also reduce the expression of vasoactive intestinal polypeptide (VIP), capillary permeability and platelet aggregation.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eIt has also been shown to inhibit nuclear factor-kappa B and therefore the subsequent the production and activity of inflammatory cytokines such as prostaglandins, leukotrienes, nitric oxide synthase. It can also inhibit cyclooxygenase-2 enzymes and modify the function of neutrophils.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003ePreclinical studies have suggested that quercetin also promotes neutrophil chemotaxis and the phagocytic activity of macrophages and Natural Killer cells.\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"product-tech-description\"\u003e\n\u003cdiv class=\"product-tech-description\"\u003e\n\u003cdiv class=\"product-tech-description\"\u003e\n\u003cdiv class=\"product-tech-description\"\u003e\n\u003ch4\u003eAntioxidant functions\u003c\/h4\u003e\n\u003cdiv\u003eLike other phenolic flavonoid compounds, quercetin shows potent antioxidant activity related to its catechol-type-Bring structure. Suggested mechanisms include direct free radical scavenging, metal chelation (it supresses generation of free radicals by heavy metals), enzyme inhibition or the stimulation of protective enzymes.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch4\u003eUrtica dioica (Nettle)\u003c\/h4\u003e\n\u003cdiv\u003eNettle is arguably the most nutritive of herbs available to practitioners. It has a high quercetin content which is thought to contribute to its effects on the immune system. Preclinical studies have indicated an anti-inflammatory activity via the inhibition of interleukin-2 and interferongamma production as well as the lipopolysaccharide stimulation of TNF-alpha\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e"}