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NOW Foods Vitamin C-1000 Complex
NOW Foods Vitamin C-1000 Complex gives you a daily dose of vitamin C in a tablets format you can take with your first meal of the day.
Why people take it
- Vitamin C contributes to the normal function of the immune system
- Vitamin C contributes to normal collagen formation for the normal function of skin, bones and cartilage
- Vitamin C contributes to the reduction of tiredness and fatigue
- Vitamin C increases iron absorption
How to use
Take as directed on the pack, ideally with food and at the same time each day.
Good to know
- Choose from 2 sizes: 180 tablets / 90 tablets
- Format: tablets
- Caffeine free
A food supplement, not a substitute for a varied diet and healthy lifestyle. Do not exceed the stated dose. Keep out of reach of children.
At a glance
Moderate
evidence for vitamin c
Our honest take
A buffered 1,000 mg vitamin C tablet made from calcium ascorbate, with 250 mg of citrus bioflavonoids, acerola and rutin. The buffered form is less acidic, which can suit people whose stomach reacts to plain ascorbic acid, and it adds 100 mg of calcium. The dose is far above the 80 mg reference intake and much of it is not absorbed, and the plant extras have no proven benefit at these amounts. It costs noticeably more than plain 1,000 mg tablets.
- You rarely eat fruit and vegetables
- You prefer NOW as a brand and want a vitamin C with added extras
- You want the best value: plain 1,000 mg tablets cost much less
- You have had kidney stones or have iron overload (haemochromatosis): ask your GP first
- High doses upset your stomach: try a lower dose
The science
Vitamin C· evidence: Moderate
Vitamin C (ascorbic acid, or mineral ascorbates such as sodium, calcium or magnesium ascorbate) is an essential vitamin found in fruit and vegetables. Adults need about 40 mg a day in the UK, and most people who eat fruit and vegetables get enough. The body cannot store much, and absorption falls off at higher doses, so the extra from a 1,000 mg tablet is largely passed in urine.
The best evidence on colds (a Cochrane review) found that taking vitamin C every day does not stop most people catching colds, but may shorten them slightly. People doing very heavy physical exercise are the exception, where regular vitamin C roughly halved the number of colds in trials.
A supplement makes sense if your diet is low in fruit and vegetables, if you smoke, or around periods of hard training. Most people do not need mega-doses, and fancy forms (liposomal, ester or buffered) have little evidence of meaningful benefit over plain ascorbic acid, though buffered forms can be gentler on the stomach.
Vitamin C contributes to the normal function of the immune system. Vitamin C contributes to normal collagen formation for the normal function of skin. Vitamin C contributes to normal collagen formation for the normal function of cartilage. Vitamin C contributes to normal collagen formation for the normal function of bones. Vitamin C contributes to the reduction of tiredness and fatigue. Vitamin C contributes to the protection of cells from oxidative stress. Vitamin C increases iron absorption. (Applies where a daily dose gives at least 15% of the NRV, i.e. 12 mg.) Vitamin C contributes to maintain the normal function of the immune system during and after intense physical exercise (applies where the daily intake is 200 mg in addition to the recommended daily intake).
Typical dose: The UK reference intake for adults is 40 mg a day (NRV on labels: 80 mg). Supplements commonly give 200 to 1,000 mg.
Safety: The FSA advises that 1,000 mg (1 g) a day or less from supplements is unlikely to cause harm. Higher doses can cause stomach pain, diarrhoea and wind. People with a history of kidney stones, haemochromatosis (iron overload) or kidney disease should speak to their GP before taking high doses. Chewable and powder forms are acidic and can affect tooth enamel.
Research we looked at:
NHS. Vitamin C. nhs.uk/conditions/vitamins-and-minerals/vitamin-c
Hemilä H, Chalker E. Vitamin C for preventing and treating the common cold. Cochrane Database Syst Rev 2013;(1):CD000980.
EFSA NDA Panel. Scientific opinion on dietary reference values for vitamin C. EFSA Journal 2013;11(11):3418.
Carr AC, Vissers MCM. Synthetic or food-derived vitamin C: are they equally bioavailable? Nutrients 2013;5(11):4284-4304.
Ingredients & nutrition
Always check the pack you receive, as manufacturers sometimes update recipes.
How to use
Food supplements should not replace a varied, balanced diet and healthy lifestyle. General information, not medical advice. Speak to your GP or pharmacist first if you are pregnant or breastfeeding, have a medical condition or take medication.
NOW Foods Vitamin C-1000 Complex gives you a daily dose of vitamin C in a tablets format you can take with your first meal of the day.
Why people take it
- Vitamin C contributes to the normal function of the immune system
- Vitamin C contributes to normal collagen formation for the normal function of skin, bones and cartilage
- Vitamin C contributes to the reduction of tiredness and fatigue
- Vitamin C increases iron absorption
How to use
Take as directed on the pack, ideally with food and at the same time each day.
Good to know
- Choose from 2 sizes: 180 tablets / 90 tablets
- Format: tablets
- Caffeine free
A food supplement, not a substitute for a varied diet and healthy lifestyle. Do not exceed the stated dose. Keep out of reach of children.
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