Vitamin C With Flavonoids delivers immune support and daily energy and vitality, thanks to a premium vitamin C blend paired with bioflavonoids for steady energy. This heritage and approach to quality shows in a modern facility, thorough testing, NSF GMP registration, and partnerships with Mayo Clinic and Johns Hopkins. That means it’s a trusted pick you can rely on day in, day out.

Available Sizes & Variants:

90 Veggie Caps - Daily immune support in a handy veggie capsule.

Benefits & Features:

• Supports immune health with a solid vitamin C blend and bioflavonoids for resilience.
• Promotes steady daily energy without the jitters.
• Designed for daily use, these veggie caps are easy to swallow and travel friendly.
• Active ingredients work together to support immune function and overall vitality; flavonoids help absorption and provide antioxidant protection against daily stress.
• Quality guaranteed through Thorne's NSF certified manufacturing and No List policy.

Thorne has built a global reputation for clinical credibility over three decades, trusted by practitioners and partnered with Mayo Clinic and Johns Hopkins. The Summerville, South Carolina facility runs in house testing and stays to NSF Contents Certified standards with a strict No List policy, ensuring ingredients are traceable and free from artificial additives. It sits well alongside daily wellness routines, including vitamin D supplement schedules, for a well rounded approach.

Flavonoids, Vitamin C

• GTIN: 693749012481
• Manufacturer: Thorne
• Categories: Back to School Supplements & EssentialsCHECKOUT UPSELLHealth Supplements for Frequent TravelersImmune System Vitamins & SupplementsNew ArrivalsPopular Supplement BrandsThorne SupplementsVitamin CVitamin C Skincare
• Best buy: 6 - 24 months+

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 30 days in the same original and unopened packaging. Subject to T&C's.

Take 1 capsule up to three times daily, or follow your health professional's advice. Take two capsules daily in divided doses with meals\, or as recommended by a healthcare practitioner.

Please consult the product packaging for accurate instructions on how to use the product.

The Active Ingredient Is: Vitamin C (Ascorbic Acid)

(The) Active Ingredient Is: Vitamin C (Ascorbic Acid)

Vitamin C is a water soluble vitamin essential for normal bodily functions and overall vitality.

Vitamin C is a water soluble vitamin essential for normal bodily functions and overall vitality.

This product provides Vitamin C in the form of ascorbic acid, a common, bioavailable presentation of the nutrient.

This product provides Vitamin C in the form of ascorbic acid, a usual, bioavailable presentation of the nutrient.

What Does Vitamin C Do?

Vitamin C contributes to the normal formation of collagen, supporting the function of skin and connective tissues, and assists with protecting cells from oxidative stress as recognised in EFSA guidance.

Vitamin C supports the normal formation of collagen, helping the function of skin and connective tissues, and assists with protecting cells from oxidative stress as recognised in EFSA guidance.

It also participates in normal immune system function and supports normal energy metabolism, contributing to daily physiological processes in the body.

It also helps with normal immune system function and supports normal energy metabolism, contributing to daily physiological processes in the body.

This product is not intended to diagnose, treat, cure, or prevent any disease.

This product isn't intended to diagnose, treat, cure, or prevent any disease.

Thorne embodies a scientific, quality-first approach that guides our choice for this Vitamin C With Flavonoids. The brand operates a state-of-the-art facility with rigorous in-house testing across four rounds of evaluation for every ingredient and formula, under NSF GMP registration and annual audits. This scientific discipline is complemented by a long-standing reputation in the industry, with collaborations recognised by leading institutions and professional teams, underpinned by a commitment to transparency through their 100% Clean Policy and No List. Our doctors and nutritionists evaluated Thorne's credentials and confirmed its standards align with our ingredient quality and purity standards, reinforcing trust in sourcing, traceability and safety. Compared with peers, Thorne’s proactive certifications and proven track record with healthcare institutions establish a clear competitive advantage in quality, safety and consistency. This makes Thorne an especially suitable partner for this supplement in the British market, a fit reinforced by our team’s review of their manufacturing philosophy and certifications, as discussed with Welzo's healthcare professionals.