Vitamin C Test Strips from Riordan Clinic offer quick, colour-changing readings to check your vitamin C status and help you tune your intake and support your daily wellness with confidence. Not a vitamin c supplement, it's a diagnostic tool you can use at home or in clinic. The strips rely on reagents that react with ascorbic acid to give a colour readout. Riordan Clinic backs these tests with decades of scientific care and strict quality checks.

Available Sizes & Variants:

50 test strips - convenient, single-use diagnostic tool.

Benefits & Features:

• Check your vitamin C status quickly with a colour readout.
• Clear colour shift on the strip makes it easy to gauge your current vitamin C status.
• Quick point-of-care testing supports personalised nutrition by letting you adjust vitamin C intake based on real status rather than guesswork, helping cut deficiency risk and avoid unnecessary supplementation.
• Pack contains fifty strips - handy for tracking over weeks without constant reorders.
• Riordan Clinic's diagnostic tools are designed by medical staff and verified by third-party labs to ensure purity and reliability.

Riordan Clinic brings over thirty years of science-led care to these vitamin C test strips. They’re developed under medical supervision, with third party lab testing to verify purity and performance. The strips use reagents that react with ascorbic acid to produce a colour change you can read at a glance. This isn’t a vitamin c supplement - it's a diagnostic tool designed to support personalised nutrition by helping you track status and tailor intake with confidence.

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.

INSTRUCTIONS (FOLLOW EXACTLY):
1. Quickly dip the reagent strip into freshly collected urine and remove it, or wet the strip by passing it through the urine stream.
2. Run the edge of the strip along the rim of the urine collection cup to eliminate excess urine.
3. After 30 seconds, compare the test area's color on the reagent side with the color chart on the bottle. Designs for Health recommends taking 6 Amino-D-Tox capsules daily between meals or as directed by your health care practitioner.

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

1. Boosts Immune System: Vitamin C is known to enhance the immune system by promoting the production of white blood cells, which help fight off infections and diseases. Regular use of vitamin C test strips can ensure that your body has enough of this essential nutrient to keep your immune system in top shape.
2. Improves Skin Health: Vitamin C is a powerful antioxidant that helps protect the skin from damage caused by free radicals. By regularly monitoring your vitamin C levels with these test strips, you can ensure that your skin is receiving enough of this nutrient to maintain its youthful appearance and prevent premature aging.

The main benefit is: Vitamin C status monitoring

Vitamin C status monitoring tools provide a practical way to assess ascorbic acid levels in biological fluids. This diagnostic strip format is designed for quick visual readouts rather than acting as a nutrient source.

The strips are disposable reagents that react with vitamin C to indicate concentration levels, helping users tailor dietary or supplement decisions based on observed status instead of assumption.

How does this support Vitamin C status monitoring?

The colourimetric reaction when exposed to fluid containing ascorbic acid produces a colour change that reflects concentration, offering a quick, point-of-care assessment. This supports evidence-based, personalised nutrient management and avoids unnecessary supplementation.

Clinical best practices emphasise assessing nutrient status to optimise management and dietary choices.

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

Riordan Clinic is a brand we rely on for its science‑led, patient‑centred approach to health diagnostics and supplements. The maker's longstanding dedication to quality is grounded in a science‑driven heritage stretching across more than thirty years, during which Riordan Clinic has earned worldwide respect among integrative health experts for purity, consistency and dosage precision. Their products are selected and overseen by qualified medical staff, emphasising safety and reliability in each batch. For this reason, Riordan Clinic stands out in a crowded field where rigorous quality checks really matter.

This range shows Riordan Clinic’s line‑specific capability, offering trustworthy vitamin C status monitoring through colourimetric test strips. The strips enable quick, at home or clinical assessment of ascorbic acid levels, aligning with a rigorous, test don’t guess approach to nutrient control. WelZo trusts this brand to deliver concrete, practical outcomes through stringent internal benchmarks and external verification, backed by our rigorous testing protocols.

Our assessment process blends maker expertise, product relevance and patient safety. We’re backed by our expert team of doctors, nurses and nutritionists who assess brand credibility, and we rely on Riordan Clinic’s well‑established quality framework to ensure consistent and dependable value for customers.