Kirkland Signature Vitamin C, 1000mg, 500 Tablets

Key Benefits of Vitamin C

Vitamin C is perhaps best known for its role in supporting the normal function of the immune system. It contributes to the production and activity of white blood cells, which help defend the body against infections. As an antioxidant, it also helps protect cells from oxidative stress caused by free radicals, potentially supporting healthy ageing and overall vitality.

Additionally, vitamin C is involved in collagen synthesis, a protein essential for the health of skin, bones, and connective tissues. While collagen production naturally declines with age, adequate vitamin C intake may help maintain skin elasticity and joint function. Furthermore, vitamin C enhances the absorption of non-heme iron (the type found in plant foods), which can be beneficial for maintaining healthy iron levels.

What Is Vitamin C and Why Do You Need It?

Vitamin C, also known as ascorbic acid, is a water-soluble nutrient that plays a vital role in many bodily functions. As an essential vitamin, your body cannot produce it on its own—meaning you must obtain it through diet or supplementation. This powerful antioxidant helps protect cells from oxidative stress and supports the immune system, making it a go-to choice for daily wellness. Whether you're looking to maintain overall health or give your immune system an extra boost, a high-quality vitamin C supplement can help fill nutritional gaps.

Kirkland Signature Vitamin C provides 1000 mg per serving in a convenient tablet form. With 500 tablets per bottle, it offers excellent value for those who prioritise consistent daily intake. This product is formulated without artificial colours, flavours, or preservatives, and is free from gluten, yeast, and soya, making it suitable for a wide range of dietary needs.

Types of Vitamin C Supplements

Vitamin C supplements come in several forms, each with unique characteristics. The most common and cost-effective form is ascorbic acid, which is identical to the vitamin C found in nature. Kirkland Signature Vitamin C uses ascorbic acid, providing a pure, potent dose without unnecessary additives.

Other forms include mineral ascorbates (such as sodium ascorbate or calcium ascorbate), which are buffered and may be gentler on the stomach. Liposomal vitamin C is another option designed for enhanced absorption, whilst it often comes at a higher price point. For most people, standard ascorbic acid tablets like these are effective and well tolerated when taken with food.

This product is presented as tablets, making them easy to swallow and convenient for daily uses. Each tablet delivers 1000 mg of vitamin C, a commonly recommended dosage for general maintenance. With 500 tablets per container, you have a long-lasting supply that simplifies reordering.

How to Choose the Best Vitamin C Supplement

When selecting a vitamin C supplement, consider factors such as dosage, form, purity, and certifications. A dosage of 500–1000 mg per day is typical for adults, whilst individual needs may vary based on diet, lifestyle, and health goals. This product offers 1000 mg per tablet, which can be taken once daily or split as desired.

Purity matters—look for supplements free from unnecessary fillers, artificial ingredients, and common allergens. Kirkland Signature Vitamin C is gluten-free, yeast-free, and soya-free, with no artificial colours, flavours, or preservatives. This makes it a clean option for those with sensitivities or who prefer a minimalist ingredient list.

Value is another key consideration. With 500 tablets per bottle, this product delivers a high count at a competitive price point, reducing the frequency of repurchases. For individuals or families looking for a reliable, no-frills vitamin C supplement, this represents an excellent choice.

Recommended Dosage and Safety

The recommended dietary allowance (RDA) for vitamin C is 90 mg per day for adult men and 75 mg for adult women, with higher needs for smokers and pregnant or breastfeeding women. Supplementary doses of 500–1000 mg are common and generally considered safe for most people. However, taking more than 2000 mg per day may cause digestive discomfort in some individuals.

For this product, one tablet provides 1000 mg of vitamin C. If you are new to supplementation, you may start with half a tablet or take it with food to minimise any stomach upset. Always consult your health care provider before starting any new supplement, especially if you have a medical condition or take medications.

Store in a cool, dry place and keep out of reach of children. This product is not intended to replace a balanced diet but to complement it.

Frequently Asked Questions

Can I take this vitamin C supplement every day?

Yes, it is designed for daily uses. One tablet provides 1000 mg, which is well within the safe upper limit for most adults. Follow the serving size on the label or as directed by your health care professional.

Is this product suitable for vegetarians or vegans?

The label does not specify vegetarian or vegan status. However, the tablets are free from gelatine and common animal-derived ingredients based on the ingredient list. If this is a concern, contact the manufacturer for detailed information.

Does this product contain any artificial ingredients?

No. The product is free from artificial colours, flavours, and preservatives. It is also gluten-free, yeast-free, and soya-free.

How should I store the tablets?

Store at room temperature, away from moisture and direct sunlight. Keep the bottle tightly closed when not in uses.

What is the serving size?

The serving size is one tablet, providing 1000 mg of vitamin C. There are 500 servings per container.

These statements have not been evaluated by the Medicines and Health care products Regulatory Agency (MHRA). This product is not intended to diagnose, treat, , or prevent any disease.