{"id":30821,"date":"2025-10-08T11:48:18","date_gmt":"2025-10-08T08:48:18","guid":{"rendered":"https:\/\/alphalifesciences.com\/produkt\/quercetin-immunity-booster\/"},"modified":"2026-08-13T15:31:28","modified_gmt":"2026-08-13T12:31:28","slug":"quercetin-immunity-booster","status":"publish","type":"product","link":"https:\/\/alphalifesciences.com\/en\/produkt\/quercetin-immunity-booster\/","title":{"rendered":"Quercetin Immunity Booster"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"30821\" class=\"elementor elementor-30821 elementor-29637\">\n\t\t\t\t<div class=\"wd-negative-gap elementor-element elementor-element-adb1e46 e-flex e-con-boxed e-con e-parent\" data-id=\"adb1e46\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-54abb1b4 color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"54abb1b4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li>Supports the natural immune response<\/li><li>Protects cells from oxidative stress<\/li><li>Reduces inflammatory processes<\/li><li>Vitamin C and D3 to boost the immune system<\/li><li>60 capsules per package<\/li><li>1 capsule per day<\/li><li>The product is manufactured in Switzerland.<\/li><\/ul><div class=\"dropdown_item py-[24px] flex flex-col border-b border-black active\"><div class=\"dropdown_question flex w-full justify-between items-center\"><h2 class=\"text-[16px] sm:text-[18px] leading-[150%] font-bold\">Composition and method of use<\/h2><\/div><div class=\"dropdown_answer text-[16px] leading-[150%] font-normal\"><p>Quercetin (quercetin dihydrate from Sophorae Japonica), Vitamin C, Selenium (L-selenomethionine), Zinc (zinc citrate), Vitamin D3 (cholecalciferol), anti-caking agents (magnesium stearate, silica). Capsules &#8211; hydroxypropyl methylcellulose. 60 easy-to-take capsules. Recommended daily dose: 1 capsule daily with meals.   <\/p><\/div><\/div><div class=\"dropdown_item py-[24px] flex flex-col border-b border-black active\"><div class=\"dropdown_question flex w-full justify-between items-center\"><h2 class=\"text-[16px] sm:text-[18px] leading-[150%] font-bold\">Key benefits<\/h2><\/div><div class=\"dropdown_answer text-[16px] leading-[150%] font-normal\">Powerful support for the immune system, cellular health and antioxidant protection. QUERCETIN Immunity Booster is an advanced formula that combines one of the most powerful and well-studied flavonoids &#8211; quercetin &#8211; with carefully selected nutrients to boost the body&#8217;s natural defenses. This highly effective combination provides comprehensive support for the immune system, helps neutralize free radicals and supports healthy cell function.Quercetin is an extremely active bioflavonoid with proven anti-inflammatory, antioxidant and antiviral properties. It assists the body in fighting external pathogens, regulates the immune response and contributes to faster recovery in times of increased physical and emotional stress. The additional ingredients in QUERCETIN Immunity Booster amplify the effectiveness of quercetin by increasing its bioavailability and enhancing its synergistic action. This makes the product particularly suitable for changing seasons, periods of high morbidity or when additional protection is needed.<\/div><div> <\/div><\/div><div class=\"dropdown_item py-[24px] flex flex-col border-b border-black active\"><div class=\"dropdown_question flex w-full justify-between items-center\"><h2 class=\"text-[16px] sm:text-[18px] leading-[150%] font-bold\">Contraindications<\/h2><\/div><div class=\"dropdown_answer text-[16px] leading-[150%] font-normal\">There is no evidence of contraindications when the recommended daily dose is observed. May cause stomach problems in overdose. In case you have a chronic medical condition or other concerns about taking supplements, please consult your healthcare professional before taking supplements. This product is not suitable for use by pregnant women or nursing mothers   <\/div><\/div><div> <\/div><div><h2>Product information:<\/h2><table style=\"font-weight: 400;\" width=\"0\"><tbody><tr><td width=\"332\">QUERCETIN Immunity Booster<\/td><td width=\"166\">For 1 capsule (recommended daily dose)<\/td><td width=\"131\">% of reference values (RDA)<\/td><\/tr><tr><td width=\"332\">Quercetin<\/td><td width=\"166\">500 mg<\/td><td width=\"131\">**<\/td><\/tr><tr><td width=\"332\">Vitamin C<\/td><td width=\"166\">150 mg<\/td><td width=\"131\">200<\/td><\/tr><tr><td width=\"332\">Selenium<\/td><td width=\"166\">60\u00b5g<\/td><td width=\"131\">109<\/td><\/tr><tr><td width=\"332\">Vitamin D3<\/td><td width=\"166\">35\u00b5g<\/td><td width=\"131\">250<\/td><\/tr><tr><td width=\"332\">Zinc<\/td><td width=\"166\">5 mg<\/td><td width=\"131\">50<\/td><\/tr><tr><td width=\"332\">Anti-caking agents (magnesium salts of fatty acids, silica). Capsules &#8211; hydroxypropylmethyl cellulose<\/td><td width=\"166\">138 mg<\/td><td width=\"131\">**<\/td><\/tr><\/tbody><\/table><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<div style=\"width: 100%; margin: 0; padding: 0; font-family: Inter, Arial, sans-serif;\">\n<div style=\"margin: 0 0 9px 0; padding: 0;\"><span style=\"display: inline-flex; align-items: center; justify-content: center; width: auto; min-height: 28px; margin: 0; padding: 3px 13px; background-color: #93d1bd; border: 0; border-radius: 18px; color: #ffffff; font-family: Inter, Arial, sans-serif; font-size: 18px; font-weight: 400; line-height: 18px; white-space: nowrap;\">Pack of 60 capsules<\/span><\/div>\n<div style=\"margin: 0 0 24px 0; padding: 0;\"><span style=\"display: inline-flex; align-items: center; justify-content: center; width: auto; min-height: 28px; margin: 0; padding: 3px 13px; background-color: #93d1bd; border: 0; border-radius: 18px; color: #ffffff; font-family: Inter, Arial, sans-serif; font-size: 18px; font-weight: 400; line-height: 18px; white-space: nowrap;\">This product is manufactured in Switzerland by NAIE &#8211; Natural Alternatives International Europe SA<\/span><\/div>\n<table style=\"width: 100%; margin: 0px; padding: 0px; border: 0px; border-collapse: collapse; border-spacing: 0px; background: transparent; height: 162px;\" role=\"presentation\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"height: 18px;\">\n<td style=\"width: 16px; min-width: 16px; padding: 6px 12px 10px 0px; border: 0px; background: transparent; vertical-align: top; height: 18px;\">\n<div style=\"display: block; width: 0; height: 0; border-top: 5px solid transparent; border-bottom: 5px solid transparent; border-left: 8px solid #93D1BD; margin-top: 4px;\" aria-hidden=\"true\"><\/div>\n<\/td>\n<td style=\"padding: 0px 0px 10px; border: 0px; background: transparent; vertical-align: top; color: #777777; font-family: Inter, Arial, sans-serif; font-size: 16px; font-weight: 400; line-height: 1.5; height: 18px;\">Supports the normal function of the immune system (vitamin C, vitamin D, and zinc)<\/td>\n<\/tr>\n<tr style=\"height: 18px;\">\n<td style=\"width: 16px; min-width: 16px; padding: 6px 12px 10px 0px; border: 0px; background: transparent; vertical-align: top; height: 18px;\">\n<div style=\"display: block; width: 0; height: 0; border-top: 5px solid transparent; border-bottom: 5px solid transparent; border-left: 8px solid #93D1BD; margin-top: 4px;\" aria-hidden=\"true\"><\/div>\n<\/td>\n<td style=\"padding: 0px 0px 10px; border: 0px; background: transparent; vertical-align: top; color: #777777; font-family: Inter, Arial, sans-serif; font-size: 16px; font-weight: 400; line-height: 1.5; height: 18px;\">Helps protect cells from oxidative stress (vitamin C and selenium)<\/td>\n<\/tr>\n<tr style=\"height: 18px;\">\n<td style=\"width: 16px; min-width: 16px; padding: 6px 12px 10px 0px; border: 0px; background: transparent; vertical-align: top; height: 18px;\">\n<div style=\"display: block; width: 0; height: 0; border-top: 5px solid transparent; border-bottom: 5px solid transparent; border-left: 8px solid #93D1BD; margin-top: 4px;\" aria-hidden=\"true\"><\/div>\n<\/td>\n<td style=\"padding: 0px 0px 10px; border: 0px; background: transparent; vertical-align: top; color: #777777; font-family: Inter, Arial, sans-serif; font-size: 16px; font-weight: 400; line-height: 1.5; height: 18px;\">Contributes to maintaining normal body function during respiratory stress and seasonal challenges (vitamin C and zinc)<\/td>\n<\/tr>\n<tr style=\"height: 18px;\">\n<td style=\"width: 16px; min-width: 16px; padding: 6px 12px 10px 0px; border: 0px; background: transparent; vertical-align: top; height: 18px;\">\n<div style=\"display: block; width: 0; height: 0; border-top: 5px solid transparent; border-bottom: 5px solid transparent; border-left: 8px solid #93D1BD; margin-top: 4px;\" aria-hidden=\"true\"><\/div>\n<\/td>\n<td style=\"padding: 0px 0px 10px; border: 0px; background: transparent; vertical-align: top; color: #777777; font-family: Inter, Arial, sans-serif; font-size: 16px; font-weight: 400; line-height: 1.5; height: 18px;\">Contains bioactive quercetin &#8211; a flavonoid with antioxidant potential<\/td>\n<\/tr>\n<tr style=\"height: 18px;\">\n<td style=\"width: 16px; min-width: 16px; padding: 6px 12px 10px 0px; border: 0px; background: transparent; vertical-align: top; height: 18px;\">\n<div style=\"display: block; width: 0; height: 0; border-top: 5px solid transparent; border-bottom: 5px solid transparent; border-left: 8px solid #93D1BD; margin-top: 4px;\" aria-hidden=\"true\"><\/div>\n<\/td>\n<td style=\"padding: 0px 0px 10px; border: 0px; background: transparent; vertical-align: top; color: #777777; font-family: Inter, Arial, sans-serif; font-size: 16px; font-weight: 400; line-height: 1.5; height: 18px;\">A formula designed for daily support of the body and internal balance<\/td>\n<\/tr>\n<tr style=\"height: 18px;\">\n<td style=\"width: 16px; min-width: 16px; padding: 6px 12px 10px 0px; border: 0px; background: transparent; vertical-align: top; height: 18px;\">\n<div style=\"display: block; width: 0; height: 0; border-top: 5px solid transparent; border-bottom: 5px solid transparent; border-left: 8px solid #93D1BD; margin-top: 4px;\" aria-hidden=\"true\"><\/div>\n<\/td>\n<td style=\"padding: 0px 0px 10px; border: 0px; background: transparent; vertical-align: top; color: #777777; font-family: Inter, Arial, sans-serif; font-size: 16px; font-weight: 400; line-height: 1.5; height: 18px;\">Enriched with vitamins and minerals<\/td>\n<\/tr>\n<tr style=\"height: 18px;\">\n<td style=\"width: 16px; min-width: 16px; padding: 6px 12px 10px 0px; border: 0px; background: transparent; vertical-align: top; height: 18px;\">\n<div style=\"display: block; width: 0; height: 0; border-top: 5px solid transparent; border-bottom: 5px solid transparent; border-left: 8px solid #93D1BD; margin-top: 4px;\" aria-hidden=\"true\"><\/div>\n<\/td>\n<td style=\"padding: 0px 0px 10px; border: 0px; background: transparent; vertical-align: top; color: #777777; font-family: Inter, Arial, sans-serif; font-size: 16px; font-weight: 400; line-height: 1.5; height: 18px;\">Suitable for seasonal and year-round support of the body<\/td>\n<\/tr>\n<tr style=\"height: 18px;\">\n<td style=\"width: 16px; min-width: 16px; padding: 6px 12px 10px 0px; border: 0px; background: transparent; vertical-align: top; height: 18px;\">\n<div style=\"display: block; width: 0; height: 0; border-top: 5px solid transparent; border-bottom: 5px solid transparent; border-left: 8px solid #93D1BD; margin-top: 4px;\" aria-hidden=\"true\"><\/div>\n<\/td>\n<td style=\"padding: 0px 0px 10px; border: 0px; background: transparent; vertical-align: top; color: #777777; font-family: Inter, Arial, sans-serif; font-size: 16px; font-weight: 400; line-height: 1.5; height: 18px;\">Recommended dosage: 1 capsule daily<\/td>\n<\/tr>\n<tr style=\"height: 18px;\">\n<td style=\"width: 16px; min-width: 16px; padding: 6px 12px 0px 0px; border: 0px; background: transparent; vertical-align: top; height: 18px;\">\n<div style=\"display: block; width: 0; height: 0; border-top: 5px solid transparent; border-bottom: 5px solid transparent; border-left: 8px solid #93D1BD; margin-top: 4px;\" aria-hidden=\"true\"><\/div>\n<\/td>\n<td style=\"padding: 0px; border: 0px; background: transparent; vertical-align: top; color: #777777; font-family: Inter, Arial, sans-serif; font-size: 16px; font-weight: 400; line-height: 1.5; height: 18px;\">Glass packaging that preserves the quality and effectiveness of the ingredients<\/p>\n<p>BFSA Registration No. T222408230 \/ July 10, 2024<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n","protected":false},"featured_media":34801,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[231,419],"product_tag":[328,330,332,329,331],"class_list":["post-30821","product","type-product","status-publish","has-post-thumbnail","product_cat-hranitelni-dobavki-en","product_cat-quercetin","product_tag-cell-protection","product_tag-energy","product_tag-health","product_tag-protection-of-the-lungs","product_tag-strong-immune-system","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Quercetin | Immunostimulant for natural protection<\/title>\n<meta name=\"description\" content=\"Boost immunity and delay cell aging with Quercetin from Alphalife Sciences. Patented formula with added Vitamin C, D3, Selenium and Zinc!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/alphalifesciences.com\/en\/produkt\/quercetin-immunity-booster\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Quercetin | Immunostimulant for natural protection\" \/>\n<meta property=\"og:description\" content=\"Boost immunity and delay cell aging with Quercetin from Alphalife Sciences. 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