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Bioflavonoids, also known as flavonoids, are potent plant compounds that work synergistically with vitamin C to offer powerful antioxidant support. Choosing a high-quality supplement can help bolster your immune system, support cardiovascular health, and combat cellular damage. Understanding key factors ensures you select a product that aligns with your wellness goals.
SUPPORTS IMMUNE SYSTEM*: Among the many attributes of bioflavonoids is their ability to support a healthy immune system response and to promote the maintenance of a healthy vascular system*
WITH ASCORBIC ACID AND BIOFLAVONOIDS: This product is enhanced with vitamin C for its synergistic effect*
GMP Quality Assured: A-rated, third-party certification means that every aspect of the NOW manufacturing process has been examined. Our in-house laboratories are ISO/IEC accredited for laboratory testing including for stability, potency and product...
Does this help with vitamin C absorption? Yes — Swanson Citrus Bioflavonoids Complex contains compounds known as bioflavonoids, which aid the absorption of vitamin C for enhanced immune benefits.*
Does this support the immune system? Yes — this dietary supplement offers powerful antioxidant support and aids vitamin C absorption to encourage immune health.*
How potent is this formula? Each capsule delivers a standardized 50% bioflavonoid content for consistent quality and effectiveness in every serving.*
What ingredients are included? Our supplement includes bioflavonoids from bitter orange, along with rose hips extract and acerola cherry for a comprehensive formula.
Immune Formula: A powerful antioxidant blend of 500 mg of Vitamin C and 500 mg of our Bioflavonoid Blend made with Hesperidin, Rutin, and Citrus Pectin designed to help support a healthy immune system.
Quality Vitamin C: Our high-quality formula is made with Rose Hips and Acerola Cherry, two natural sources of Vitamin C.
C’ More Benefits: Vitamin C is an essential nutrient and may help support healthy cells, blood vessel integrity, and cartilage and bone health.
Eco-Friendly: We use 100% PCR bottles made from plastic removed from oceans & landfills.
ANTIOXIDANT PROTECTION*: NOW offers you this yearly supply of vegetarian/vegan Vitamin C-1000 in a convenient easy to swallow capsule! Did you know Vitamin C is essential for the production of collagen?* Vitamin C is important for skin, bone, and joint...
WITH BIOFLAVONOIDS: One capsule a day packed with vitamin C gives you antioxidant protection and 100 mg of bioflavonoids to support your immune system*
CLASSIFICATIONS/CERTIFICATIONS: Non-GMO, Kosher, Soy Free, Dairy Free, Egg Free, Nut Free, Made Without Gluten, Vegetarian/Vegan
GMP Quality Assured: A-rated, third-party certification means that every aspect of the NOW manufacturing process has been examined. Our in-house laboratories are ISO/IEC accredited for laboratory testing including for stability, potency and product...
Premium Immune and Histamine Support Supplement: Vital Nutrients Vitamin C with Bioflavonoids supports a healthy immune system responses and mast cell stability. Vitamin C is important for iron absorption, which supports healthy red blood cells*
C Vitamin with Bioflavonoids and Antioxidants: This 1000mg vitamin C supplement also contains 500 mg of citrus bioflavonoids that support the antioxidant activity of vitamin C for healthy responses*
Clean Vegan Formula. Hypoallergenic and Non-GMO. Made without artificial fillers, coatings, binders, or colors.
Quality You Can Rely on: Our rigorous quality assurance program includes third-party independent laboratory testing of raw ingredients and finished products for purity and potency to ensure what’s on the label is in the bottle.
Immune Support: Vitamin C formulated with natural citrus bioflavonoids for added antioxidant benefits resulting in better cellular protection against free radicals within the body*
Healthy Skin: Promotes collagen production, which enhances skin, nail, and hair health and supports healthy tissue and cartilage formation*
Detox Support: Promotes the body's natural ability to eliminate toxins and benefits liver health by helping increase glutathione and other potent antioxidants*
Third-Party Certified: This product has been third-party tested and certified to verify what's in the package matches what's on the label and to confirm it contains no unsafe levels of contaminants
3000mg Bioflavonoid Complex: Each serving provides 3000mg of Bioflavonoid Complex, including Hesperidin, Quercetin, and Lemon Bioflavonoids, known for their role in ear balance and circulation.
8-In-1 Plant-Based Form: Formulated with 8 plant-based ingredients, including Vitamin B12, Vitamin C, Folate, Magnesium, and Zinc, to overall ear wellness and circulation.
Absorbing Flavonoids in a Fun Gummy: Our bear-shaped gummies, featuring a delicious mixed berry flavor, provide necessary flavonoids in a form that's not only enjoyable for all ages but also designed for optimal absorption.
Clean Plant-Based Ingredients: Vegan, gluten-free, and made with no artificial additives, preservatives, or added sugars for a pure and wellness supplement.
ANTIOXIDANT PROTECTION*: NOW offers you this yearly supply of vegetarian/vegan Vitamin C-1000 in a convenient easy to swallow capsule! Did you know Vitamin C is essential for the production of collagen?*
WITH BIOFLAVONOIDS: One capsule a day packed with vitamin C gives you antioxidant protection and 100 mg of bioflavonoids to support your immune system*
CLASSIFICATIONS/CERTIFICATIONS: Non-GMO, Kosher, Soy Free, Dairy Free, Egg Free, Nut Free, Made Without Gluten, Vegetarian/Vegan
GMP Quality Assured: A-rated, third-party certification means that every aspect of the NOW manufacturing process has been examined. Our in-house laboratories are ISO/IEC accredited for laboratory testing including for stability, potency and product...
CITRUS BIOFLAVONOID COMPLEX – Created for adults, this citrus bioflavonoid supplement brings together antioxidant-rich compounds from citrus sources, offering a simple and confident way to include bioflavonoids in an active daily routine
ANTIOXIDANT PROPERTIES – Citrus-derived bioflavonoids naturally contain antioxidant compounds found in plant ingredients, making this supplement a focused source of antioxidants valued for their presence in citrus-based formulations
PLANT-BASED FORMULA – This supplement features flavonoids derived from citrus sources in a chewable format with a plant-based ingredient profile, offering a clear and straightforward option focused on citrus-derived flavonoids
CONSISTENT DAILY FORMAT – Presented in a chewable gummy form, this supplement offers a simple alternative to traditional capsules and tablets, providing a predictable format that fits smoothly into everyday routines without complex preparation
Last update on 2026-10-09 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Bioflavonoid Vitamin Supplements
Key Considerations When Purchasing Bioflavonoid Supplements
When selecting a bioflavonoid supplement, consider the following factors to ensure you get the most benefit:
Source and Purity: Look for supplements derived from natural sources like citrus fruits (hesperidin, rutin, quercetin) or other plants. Check the product label for information on the extraction process and any third-party testing for purity and potency. High-quality supplements will clearly state the bioflavonoid profile and ensure it's free from unnecessary fillers or contaminants.
Bioflavonoid Forms and Potency: Bioflavonoids come in various forms, each with potential benefits. Common ones include hesperidin, rutin, quercetin, and diosmin. Pay attention to the dosage of each specific bioflavonoid listed on the supplement facts panel. Ensure the potency is adequate to support your desired health outcomes, often found in combination with Vitamin C for enhanced absorption and effect.
Synergistic Ingredients: Many effective bioflavonoid supplements are formulated with Vitamin C, as these compounds work best together. Vitamin C aids in the absorption and utilization of bioflavonoids, amplifying their antioxidant and immune-supporting properties. Review the ingredient list to see if other beneficial co-factors are included that complement the bioflavonoid profile.
Frequently Asked Questions
What are the primary benefits of bioflavonoid supplements?
Bioflavonoids are known for their strong antioxidant properties, helping to protect cells from damage caused by free radicals. They also play a role in supporting cardiovascular health, improving circulation, and bolstering the immune system, especially when taken with Vitamin C.
Are there any side effects associated with bioflavonoid supplements?
Bioflavonoid supplements are generally considered safe for most individuals when taken as directed. However, some people may experience mild digestive upset. It's always advisable to start with a lower dose and consult with a healthcare professional if you have any concerns or pre-existing conditions.
How should bioflavonoids be taken for best absorption?
Bioflavonoids are often best absorbed when taken with Vitamin C, as they work synergistically. Taking them with a meal can also aid absorption and minimize potential digestive discomfort. Follow the dosage instructions on the product label or as recommended by your healthcare provider.
Can bioflavonoid supplements interact with medications?
Due to their potential effects on circulation and blood thinning, bioflavonoids might interact with certain medications, such as blood thinners. It is crucial to discuss your supplement regimen with your doctor or pharmacist if you are taking any prescription or over-the-counter medications.
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