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Vitamin C is one of the few supplements with a clear, evidence-backed role in immune and antioxidant function — provided intake is genuinely inadequate from diet alone. We include NOW Foods' 1,000 mg tablet because it delivers a clinically relevant dose in a simple, no-fuss format, without unnecessary additives. It is a sensible option to consider following a nutrition review that flags low intake or increased physiological demand.
About this product
Vitamin C-1000 Tablets
Vitamin C-1000 by NOW Foods is a high-dose ascorbic acid supplement providing 1,000 mg of vitamin C per tablet. Vitamin C is a water-soluble antioxidant that the body cannot synthesise on its own, making consistent dietary or supplemental intake essential. It contributes to normal immune function, supports collagen synthesis — relevant for skin, connective tissue, and wound repair — and helps reduce oxidative stress by neutralising free radicals.
This tablet suits a range of people: those with low dietary intake of fruit and vegetables, individuals in periods of high physiological stress such as illness or intense exercise, smokers (who have notably higher vitamin C turnover), and anyone who has confirmed suboptimal status through a blood test. At 1,000 mg per dose, it sits at the higher end of supplemental intake; those with sensitive stomachs may prefer to take it with food, as high-dose ascorbic acid can cause gastric discomfort on an empty stomach.
NOW Foods is a long-established supplement manufacturer with a broad portfolio and a reputation for straightforward, no-frills formulations. This is a practical, well-priced entry point for anyone looking to maintain adequate vitamin C status year-round or to increase intake during periods of greater demand.
What it does
Benefits
- 01
Supports normal immune function year-round
- 02
Antioxidant protection against oxidative stress
- 03
Contributes to collagen formation and tissue repair
- 04
Suits higher-demand periods: illness, intense training, stress
- 05
Straightforward high-dose ascorbic acid at an accessible price
Get the most from it
How to use
Take 1 tablet daily, preferably with a meal to reduce the chance of gastric discomfort. Follow the dosage guidance on the packaging, and consult a clinician before exceeding the recommended dose consistently.
What's inside
Ingredients
View full ingredient list
Vitamin C 1000mg
Common questions
Frequently asked
Why take 1,000 mg rather than a lower-dose supplement?
The 1,000 mg dose is relevant when dietary intake is consistently low, during illness, periods of intense exercise, or for smokers, whose vitamin C turnover is higher than average. For people with adequate diets, a lower dose may suffice — it is worth reviewing your intake before choosing a dose.
Can I take this on an empty stomach?
High-dose ascorbic acid can cause stomach discomfort in some people when taken without food. Taking the tablet with a meal generally reduces this risk.
Is it safe to take long-term?
Vitamin C is water-soluble, so excess is excreted in urine rather than stored. That said, consistently high doses may increase the risk of kidney stones in susceptible individuals. If you have a history of kidney stones, speak to a clinician before supplementing at this dose.
How long before I notice a difference?
Vitamin C works as an ongoing nutritional support rather than a fast-acting intervention. If you have been genuinely deficient, improvements in energy and skin health may become apparent over several weeks, though individual response varies.
Who should avoid this supplement?
People with haemochromatosis (iron overload) should use high-dose vitamin C with caution, as it enhances iron absorption. Those with kidney disease or a history of oxalate kidney stones should consult a clinician before use.
Doctor-guided care
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