Powerful antioxidant essential for collagen synthesis and immune function.
How it works
Vitamin C is a cofactor for prolyl and lysyl hydroxylase, enzymes essential for collagen synthesis. It also neutralises free radicals.
Evidence-based uses
May reduce cold duration. Higher doses during illness may help.
Clinical Evidence
Regular vitamin C supplementation (200mg+) reduced cold duration by 8% in adults and 14% in children.
Vitamin C (200mg+/day) reduced cold duration by 8% in adults and 14% in children. Supplementation at onset of symptoms reduced duration and severity in therapeutic trials.
Essential cofactor for collagen synthesis. Also provides antioxidant protection.
Clinical Evidence
Systematic review found oral vitamin C supplementation (500-1000mg/day) improved skin elasticity, reduced wrinkle depth, and enhanced collagen density in multiple clinical trials.
Safety
High-dose vitamin C (>1000mg/day) may reduce the anticoagulant effect of warfarin. Standard doses are generally safe.
Compare prices
5 products compared across Australian retailers. Sorted by price per serve.
Scroll for more
| Product | Price | /serve | |
|---|---|---|---|
Best Life Extension Vitamin C 1000mg with Bio-Quercetin, 250 Tablets Life Extension | $29.99 | $0.12 | |
NOW Foods Vitamin C-1000 with Rose Hips, 250 Tablets iHerb | $39.18 | $0.16 | |
Life Extension Life Extension Vitamin C 1000mg Life Extension | $16.50 | $0.28 | |
Garden of Life Vitamin Code Raw C 120 Capsules Garden of Life | $34.99 | $0.29 | |
Thorne Thorne Vitamin C with Flavonoids Thorne | $28.00 | $0.31 |
Prices in AUD. Some links are affiliate links — we may earn a commission at no extra cost to you.
Get a personalised supplement stack based on your health goals, age, medications, and preferences.
Also consider
Protein
Structural protein that supports skin elasticity, hair strength, and joint health.
Mineral
Essential mineral involved in immune function, wound healing, and cell division.
Supplement
Natural compound that supports skin hydration and joint lubrication.
Vitamin
Essential vitamin for immune regulation, bone health, and mood.
Head to head
Get a personalised dosage recommendation based on your age, weight, and health goals
Vitamin C has 1 known interaction. Check if it's safe with your medications.
Evidence Lab
Price drops, new products, and research updates for vitamin c supplements. One email per week, unsubscribe anytime.
This information is for educational purposes only and is not intended as medical advice. Always consult a healthcare professional before starting any supplement. Evidence ratings are based on peer-reviewed clinical research. Individual results may vary.