Natural C gives high potency vitamin C to help support immune resilience, and you’re picking a brand built on 1955 heritage, GMP quality, and evidence-based nutrition. Its 1000mg vitamin C with a citrus bioflavonoid complex and rose hips provides antioxidant support. Douglas Laboratories' long standing commitment to purity and quality, backed by GMP and ISO standards, makes it a trustworthy choice for vitamin d supplement routines.

Available Sizes & Variants:

100 tablets - convenient daily dose for immune support.

Benefits & Features:

• Supports immune resilience with potent vitamin C.
• Includes a citrus bioflavonoid complex that supports antioxidant synergy with vitamin C.
• Daily 1000mg aligns with evidence-based immunity support and oxidative protection for adults.
• Douglas Laboratories' GMP-certified facilities ensure purity, potency, and accurate labeling, while rigorous batch testing and transparent quality controls give you confidence in every tablet daily.
• Gluten-free, non-GMO formula with no artificial colours or preservatives, ensuring vitamin c vitamins are clean and accessible.

Douglas Laboratories has a long heritage dating back to 1955, built on scientific rigour with family ownership and GMP-certified manufacturing that keeps purity and potency front and centre. Natural C 1000mg pairs 1000mg of vitamin C with a citrus bioflavonoid complex and rose hips for antioxidant synergy. Dr Harri Hemilä of the University of Helsinki notes that daily vitamin C supports immune resilience, aligning with the product's evidence-based approach and the brand's commitment to transparent quality.