Skip to content
S
SuppUp
Strong Evidence🛡️

Best Vitamin C for Immunity in Australia

Powerful antioxidant essential for collagen synthesis and immune function.. Compare prices across Australian retailers and find the best value.

Quick Summary

Dosage

500-1000 mg/day

Time to Effect

1-2 weeks

From

$0.08/serve

Evidence

strong (4/5)

Timing: Split doses throughout the day

Clinical Evidence

Vitamin C for preventing and treating the common cold

PMID: 23440782
meta-analysis2013n=11306

Regular vitamin C supplementation (200mg+) reduced cold duration by 8% in adults and 14% in children.

Vitamin C and Immune Function

PMID: 29099763
Systematic review20170

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.

Best Prices in Australia

Vitamin C-1000 with Rose Hips, 250 Tablets

NOW FoodsviaiHerb

1000 mg per serve · 250 serves · tablet

$0.08/serve

$18.99 total

Buy
2

Vitamin C 500 Chewable 200 Tablets

BlackmoresviaChemist Warehouse

500 mg per serve · 200 serves · tablet

$0.09/serve

$16.99 total

Buy
3

Nature's Way Vitamin C 1000mg

Nature's WayviaChemist Warehouse

1000mg per serve · 150 serves · Tablet

$0.11/serve

$16.49 total

Buy
4

Vitamin C 1000mg with Bio-Quercetin, 250 Tablets

Life ExtensionviaLife Extension

1000mg per serve · 250 serves · tablet

$0.12/serve

$29.99 total

Buy
5

Vitamin C 1000mg Chewable 150 Tablets

Thompson'sviaAussie Health Products

1000mg per serve · 150 serves · tablet

$0.17/serve

$24.95 total

Buy

Showing top 5 of 8 products. View all

Interactions to Watch

  • Blood thinners (Warfarin)moderateHigh-dose vitamin C (>1000mg/day) may reduce the anticoagulant effect of warfarin.
Check all interactions

Get a Full Immunity Stack

Vitamin C is just one piece. Our AI builds a complete supplement stack tailored to your immunity goals, with dosages and prices.

Get My Immunity Stack

This information is for educational purposes only and is not medical advice. Consult a healthcare professional before starting any supplement regimen. SuppUp earns affiliate commissions from qualifying purchases — this does not affect our recommendations.