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Dual Vitamin C — high-strength, and buffered to be gentler on the stomach
Our Vitamin C delivers a genuinely high-strength 1000mg daily dose (1250% NRV), but rather than using pure ascorbic acid throughout — which can cause stomach upset at high doses for some people — we split the formula 50/50 with calcium ascorbate, a buffered, less acidic form, then add citrus bioflavonoids, naturally-occurring plant compounds found alongside vitamin C in citrus fruit.
Key Benefits
- Vitamin C 1000mg (1250% NRV) — contributes to normal collagen formation for the normal function of skin, gums, bones, cartilage and blood vessels; normal immune function, both during and after intense physical exercise; normal energy-yielding metabolism; reduction of tiredness and fatigue; protection of cells from oxidative stress; and increases iron absorption.
- Half buffered as calcium ascorbate (500mg) — a gentler, less acidic form, alongside 500mg standard ascorbic acid.
- Citrus Bioflavonoids (50mg) — naturally-occurring plant compounds included alongside the vitamin C, as they are found together in nature.
- Zinc 20mg (200% NRV) as zinc bisglycinate — zinc contributes to the normal function of the immune system.
Why Dr Marks?
Buffering half the dose with calcium ascorbate, a less acidic form, keeps the strength high while making the formula gentler on the stomach.
How to take it
Take two capsules daily, ideally with food and a glass of water.
Suitability
Suitable for vegetarians and vegans (vegetable HPMC capsule). Based on the ingredients listed, this product does not contain gluten, dairy or nuts — contains citrus (bioflavonoids), please avoid if you have a citrus allergy. Please check the pack for the final allergen statement. If you have a history of kidney stones or haemochromatosis (iron overload), please check with your GP before taking high-dose vitamin C, as it increases iron absorption.
Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. Do not exceed the stated dose. Keep out of reach of children.
