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Sambucol Extra Defence | Vitamin C Black Elderberry Liquid-120ml

Sambucol Extra Defence | Vitamin C Black Elderberry Liquid-120ml

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  • ✔️ Combines black elderberry extract and vitamin C for dual immune support
  • ✔️ Supports normal immune system function with every daily dose
  • ✔️ Liquid format ideal for adults and children who struggle with tablets
  • ✔️ Suitable for children over 1 year with age-appropriate dosing
  • ✔️ Antioxidant-rich formula helps protect cells from oxidative stress

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What Is Elderberry Vitamin C Liquid and How Can It Help You?

 

When the colder months roll in and everyone around you seems to be sniffling, it's natural to wonder what you can do to give your immune system a helping hand. Elderberry vitamin c liquid has become one of the most popular immune-support supplements in the UK — and for good reason. Sambucol Extra Defence combines black elderberry extract with vitamin C in a convenient 120ml liquid format, making it easy to incorporate into your daily routine. You can find it alongside a wide range of other immune and wellness products in our vitamins and supplements collection.

Vitamin C is well established as a nutrient that contributes to the normal function of the immune system, according to the NHS. Black elderberry (Sambucus nigra) has a long history of traditional use in Europe, and more recently has attracted scientific interest for its flavonoid content. Together, these two ingredients form a straightforward, easy-to-take liquid supplement suitable for the whole family.

 

How Does Sambucol Extra Defence Work in the Body?

 

Understanding what's actually happening when you take this supplement can help you use it with confidence. Here's how the key ingredients are thought to act:

  • Black elderberry anthocyanins: These plant-based flavonoids are the pigments that give elderberries their deep purple colour. They are thought to support immune cell activity and have antioxidant properties that help protect cells from oxidative stress.
  • Vitamin C (ascorbic acid): The NHS confirms that vitamin C contributes to the normal function of the immune system. It also supports the reduction of tiredness and fatigue and contributes to normal collagen formation.
  • Liquid format: Liquids are absorbed in the gastrointestinal tract and may be easier for some people — particularly children or those who struggle with tablets — to take consistently.
  • Antioxidant support: Both elderberry and vitamin C contribute to the protection of cells from oxidative stress, which is relevant during periods of illness or high physical demand.

 

Who Should Consider Using Sambucol Extra Defence?

 

This supplement isn't just for people who are already feeling under the weather. It's designed for anyone who wants to support their immune health proactively — particularly during autumn and winter. That said, it's worth knowing whether it's right for you specifically.

Sambucol Extra Defence may be suitable for:

  • Adults looking for daily immune support during cold and flu season
  • Children over 1 year of age (always check age-specific dosing on the label)
  • People who find tablets or capsules difficult to swallow
  • Those who want a supplement combining both elderberry and vitamin C in one product

 

How Does Sambucol Extra Defence Compare to Other Immune Supplements?

 

Feature Sambucol Extra Defence Liquid Standard Vitamin C Tablet
Key ingredients Black elderberry extract + Vitamin C Vitamin C only
Format Liquid (easy to swallow) Tablet or capsule
Suitable for children Yes (over 1 year, age-appropriate dose) Varies by product
Antioxidant support Yes — from both elderberry and vitamin C Yes — from vitamin C only

 

How Should You Store Sambucol Extra Defence and Is It Clinically Suitable for You?

 

Store the bottle below 25°C and keep it out of direct sunlight. Once opened, refrigerate and use within 30 days. If you are pregnant, breastfeeding, or taking immunosuppressant medicines, speak to your GP or pharmacist before starting any elderberry vitamin c liquid supplement, as elderberry may theoretically stimulate immune activity. If you have a known allergy to plants in the Adoxaceae family, avoid this product. You can also browse our cold and flu range for additional products to support you through the season.

This product is a medicine. Speak to your doctor or pharmacist before using if you have an underlying medical condition or are taking other medicines.

Sambucol Extra Defence Vitamin C Black Elderberry Liquid 120ml specifications
Treatment category Immune support supplement
Mechanism of action Antioxidant and immune-modulating activity via elderberry flavonoids; vitamin C supports normal immune function
Effective for Supporting normal immune system function; antioxidant protection
Suitable for Adults and children over 1 year
Active ingredients Black Elderberry Extract (Sambucus nigra), Vitamin C (ascorbic acid)
Pack size 120ml
UK classification Food supplement (OTC)
Preparation Oral liquid
Route of administration Oral

Specifications of Sambucol Extra Defence Vitamin C Black Elderberry Liquid 120ml

 

What Is Sambucol Extra Defence and What Is It Used For?

 

Sambucol Extra Defence Vitamin C Black Elderberry Liquid is an oral food supplement designed to support the normal function of the immune system. It contains black elderberry extract (Sambucus nigra) and vitamin C (ascorbic acid). The NHS confirms that vitamin C contributes to the normal function of the immune system and to the protection of cells from oxidative stress. This product is taken by mouth and is available without a prescription. It is intended for use during periods when immune support is desired, such as the autumn and winter months.

 

What Do You Need to Know Before Using Sambucol Extra Defence?

 

Before taking this supplement, there are some important points to consider. Do not use this product if any of the following apply to you:

  • You are allergic to elderberry, any plant in the Adoxaceae family, or any other ingredient in the product
  • Your child is under 1 year of age
  • You are taking immunosuppressant medicines (e.g. ciclosporin, tacrolimus, methotrexate) — elderberry may theoretically stimulate immune activity and could interfere with these treatments
  • You have an autoimmune condition such as lupus, rheumatoid arthritis, or multiple sclerosis — consult your GP before use

Speak to your pharmacist or GP before use if you are pregnant or breastfeeding. While vitamin C is considered safe in normal dietary amounts during pregnancy, the safety of concentrated elderberry extract in pregnancy has not been fully established. The following interactions are worth noting:

  • Immunosuppressants: Elderberry may theoretically counteract the effects of medicines that suppress the immune system
  • Diuretics: Elderberry has mild diuretic properties; use with caution alongside prescribed diuretics
  • High-dose vitamin C: Avoid combining with other high-dose vitamin C supplements to prevent exceeding the tolerable upper intake level

 

How Should You Use Sambucol Extra Defence?

 

Always follow the dosage instructions on the product label. Here is a general guide to taking this supplement correctly:

  1. Shake the bottle well before each use
  2. Measure the correct dose using the measuring spoon or cup provided
  3. Take the liquid directly by mouth or mix into a cold drink — do not add to hot liquids as heat may degrade vitamin C
  4. Take once daily, preferably at the same time each day to maintain consistency
  5. Replace the cap securely after use and refrigerate
Age Group Dose Frequency
Adults and children 12+ 10ml Once daily
Children 3–11 years 5ml Once daily
Children 1–2 years 2.5ml Once daily (consult pharmacist)
Under 1 year Not suitable

If you are unsure about the correct dose for your child, speak to your pharmacist before use. You may also find it helpful to explore our ear, nose and throat range for additional products to manage cold and flu symptoms alongside this supplement.

 

What Are the Possible Side Effects of Sambucol Extra Defence?

 

Like all supplements, Sambucol Extra Defence may cause side effects in some people, although not everyone will experience them. If you notice any unexpected reaction, stop use and consult your pharmacist or GP.

Common side effects (may affect a small number of users):

  • Mild stomach discomfort or bloating
  • Nausea, particularly if taken on an empty stomach
  • Loose stools at higher doses of vitamin C

Less common side effects:

  • Allergic skin reactions such as rash or itching — stop use immediately if this occurs
  • Headache
  • Diarrhoea with excessive vitamin C intake

The NHS advises that taking large amounts of vitamin C (over 1,000mg per day) can cause stomach pain, diarrhoea, and flatulence. Do not exceed the recommended dose of this product. If you experience signs of a serious allergic reaction — including swelling of the face, lips, or throat, or difficulty breathing — seek emergency medical attention immediately.

 

How Should You Store Sambucol Extra Defence?

 

Correct storage helps maintain the quality and effectiveness of this supplement. Follow these instructions:

  • Store below 25°C before opening
  • Keep away from direct sunlight and heat sources
  • Once opened, refrigerate and use within 30 days
  • Keep the bottle tightly closed when not in use
  • Keep out of the sight and reach of children
  • Do not use after the expiry date printed on the label
  • Do not freeze

If you are looking for further support during cold and flu season, our vitamins and supplements collection includes a range of products to complement your immune health routine.

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Your safety and success are our highest priorities. Our medical team rigorously evaluates every product and piece of advice we provide, ensuring you receive only the most effective, science-backed solutions available.

Frequently Asked Questions

Where can I buy Sambucol Extra Defence online in the UK?

You can buy Sambucol Extra Defence Vitamin C Black Elderberry Liquid 120ml directly from Cured Pharmacy online for just £8.99, with fast UK delivery. No prescription is needed as it is an over-the-counter food supplement. Browse our full vitamins and supplements collection for more immune health options.

How does elderberry vitamin C liquid work in the body?

Black elderberry extract contains anthocyanins — plant flavonoids that are thought to support immune cell activity and provide antioxidant protection. Vitamin C is a well-established nutrient that the NHS confirms contributes to the normal function of the immune system. Together, they offer a dual approach to immune support in a single liquid dose.

How do I use Sambucol Extra Defence step by step?

Shake the bottle well before each use, then measure the correct dose using the measuring tool provided. Take the liquid directly by mouth or stir into a cold drink — avoid hot liquids as heat can degrade vitamin C. Take once daily, ideally at the same time each day for consistency.

What is the correct dose of Sambucol Extra Defence for adults?

Adults and children aged 12 and over should take 10ml once daily. Children aged 3 to 11 years should take 5ml once daily, and children aged 1 to 2 years may take 2.5ml — though it is advisable to check with your pharmacist first. Do not give this product to children under 1 year of age.

What is the best time of day to take Sambucol Extra Defence?

There is no strict requirement on timing, but taking it at the same time each day helps you build a consistent habit. Some people prefer to take it in the morning with breakfast to reduce the chance of any mild stomach discomfort. Avoid taking it with hot drinks, as heat may reduce the effectiveness of vitamin C.

What are the side effects of Sambucol Extra Defence?

Side effects are uncommon but can include mild stomach discomfort, nausea, or loose stools — particularly if taken on an empty stomach or in excess of the recommended dose. Rarely, some individuals may experience a skin reaction such as itching or rash. Stop use and consult your pharmacist or GP if you notice any unexpected symptoms.

How do I manage side effects of Sambucol Extra Defence?

If you experience stomach discomfort, try taking the supplement with food or a cold drink rather than on an empty stomach. Ensure you are not exceeding the recommended dose, as high vitamin C intake can cause gastrointestinal upset. If side effects persist or worsen, stop use and speak to your pharmacist.

Who is eligible to take Sambucol Extra Defence?

This supplement is suitable for adults and children over 1 year of age. It is not recommended for children under 1 year, or for people taking immunosuppressant medicines without prior medical advice. If you are pregnant, breastfeeding, or have an autoimmune condition, consult your GP or pharmacist before use.

Can I take Sambucol Extra Defence if I am pregnant or breastfeeding?

Vitamin C in normal dietary amounts is considered safe during pregnancy, but the safety of concentrated black elderberry extract during pregnancy or breastfeeding has not been fully established in clinical literature. It is therefore advisable to speak to your GP or midwife before taking this supplement if you are pregnant or breastfeeding. Do not self-medicate without professional guidance during this time.

What happens if I miss a dose of Sambucol Extra Defence?

If you forget to take your daily dose, simply take it as soon as you remember — unless it is nearly time for your next dose, in which case skip the missed one. Never take a double dose to make up for a missed one. As this is a supplement rather than a prescription medicine, missing an occasional dose is unlikely to cause any harm.

How long can you take Sambucol Extra Defence for?

Sambucol Extra Defence can be taken throughout the cold and flu season or year-round as a daily immune support supplement. If you are taking it to manage symptoms of a cold or flu and symptoms have not improved after 7 days, consult your GP. There is no established maximum duration for use as a food supplement, but it is sensible to review your supplement routine periodically.

Does Sambucol Extra Defence interact with any medicines?

Black elderberry may theoretically stimulate immune activity, which could interfere with immunosuppressant medicines such as ciclosporin, tacrolimus, or methotrexate. Elderberry also has mild diuretic properties, so use with caution if you are prescribed diuretics. Always inform your pharmacist of all medicines and supplements you are taking before starting a new product.

What are the alternatives to Sambucol Extra Defence?

Alternatives include standalone vitamin C supplements, zinc lozenges, or other elderberry-based products available in tablet or capsule form. If you are looking for products to manage cold and flu symptoms directly, our cold and flu range includes a variety of options. Your pharmacist can help you choose the most appropriate product for your needs.

Is Sambucol Extra Defence suitable for vegans?

Sambucol Extra Defence is generally considered suitable for vegetarians and vegans, as it does not contain animal-derived ingredients. However, always check the product label for the most up-to-date ingredient information, as formulations can occasionally change. If you have specific dietary requirements, contact the manufacturer or your pharmacist for confirmation.

What does the latest research say about elderberry and immune health?

Research into black elderberry is ongoing. Some published studies have suggested that elderberry extract may reduce the duration and severity of cold and flu symptoms, though the evidence base is still developing and more large-scale clinical trials are needed. Vitamin C's role in supporting normal immune function is well established and recognised by the European Food Safety Authority. As always, supplements should complement — not replace — a balanced diet and healthy lifestyle.

How Should You Use Sambucol Extra Defence?

Using Sambucol Extra Defence correctly ensures you get the most from each dose. The liquid format makes it straightforward to take, but a few simple steps will help you use it safely and effectively every time.

What Is the Correct Dose of Sambucol Extra Defence?

The correct dose depends on your age. Always follow the instructions on the product label and do not exceed the stated amount. The table below provides a general dosage guide — if you are unsure about the right dose for your child, speak to your pharmacist before use.

When Is the Best Time to Use Sambucol Extra Defence?

There is no clinically mandated time of day to take this supplement, but consistency matters. Taking it at the same time each day — for example, with breakfast — helps you build a reliable habit and reduces the chance of forgetting a dose. If you find it causes any mild stomach discomfort, taking it alongside food may help settle this.

Many people choose to start taking it at the beginning of autumn, when cold and flu season typically begins in the UK, and continue through to spring. This approach aligns with the period when immune support is most commonly sought.

How Long Can You Use Sambucol Extra Defence For?

Sambucol Extra Defence can be used as a daily supplement throughout the cold and flu season or on a year-round basis if you wish to maintain ongoing immune support. As a food supplement rather than a prescription medicine, there is no fixed maximum duration of use. However, if you are taking it to help manage cold or flu symptoms and you do not see any improvement after 7 days, it is important to consult your GP rather than continuing to self-treat.

Once opened, the bottle should be used within 30 days, so plan your usage accordingly. If you have any concerns about long-term supplementation, your pharmacist is always a good first point of contact.

Do not exceed the recommended dose. If in doubt, speak to your pharmacist.

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What Are the Most Common Side Effects of Sambucol Extra Defence?

Most people tolerate Sambucol Extra Defence well, and side effects are uncommon when the product is used as directed. That said, it is worth knowing what to look out for. The most frequently reported issues relate to the gastrointestinal system, particularly when the supplement is taken on an empty stomach.

  • Mild stomach discomfort or cramping
  • Nausea
  • Bloating or flatulence
  • Loose stools

Taking the supplement with food or a cold drink can often reduce these effects. If discomfort persists, reduce the dose or stop use and speak to your pharmacist.

What Are the Less Common Side Effects of Sambucol Extra Defence?

Less commonly, some individuals may experience reactions that go beyond mild digestive upset. These are not typical but are worth being aware of, particularly if you have a history of allergies or sensitivities to plant-based products.

  • Skin rash or itching
  • Headache
  • Diarrhoea (more likely if the recommended dose is exceeded)
  • Increased urinary frequency (due to mild diuretic properties of elderberry)

The NHS advises that taking more than 1,000mg of vitamin C per day can cause stomach pain, diarrhoea, and flatulence. Always stick to the recommended dose and avoid combining this product with other high-dose vitamin C supplements.

What Are the Serious Side Effects of Sambucol Extra Defence?

Serious side effects are rare but require immediate attention. Stop taking this supplement and seek emergency medical help if you experience any of the following signs of a severe allergic reaction (anaphylaxis):

  • Swelling of the face, lips, tongue, or throat
  • Difficulty breathing or swallowing
  • Sudden widespread skin rash or hives
  • Dizziness or collapse

If you are taking immunosuppressant medicines and notice any unexpected changes in your health after starting this supplement, contact your GP promptly, as elderberry may theoretically affect immune activity.

What Should You Do If You Experience Side Effects?

If you experience mild side effects such as stomach discomfort, try taking the supplement with food and ensure you are not exceeding the recommended dose. For skin reactions or any symptom that concerns you, stop use immediately and consult your pharmacist or GP. You can also report suspected side effects of food supplements to the Food Standards Agency or seek advice from your local pharmacy team.

Do not ignore persistent or worsening symptoms. Your pharmacist is trained to help you assess whether a side effect is likely to be related to this supplement and can advise on next steps.

Can Sambucol Extra Defence Interact With Other Medicines?

Yes, there are some potential interactions to be aware of. Black elderberry may theoretically stimulate immune system activity, which could reduce the effectiveness of immunosuppressant medicines such as ciclosporin, tacrolimus, azathioprine, or methotrexate. If you are prescribed any of these, do not take this supplement without first speaking to your GP or specialist. Elderberry also has mild diuretic properties, so use with caution alongside prescribed diuretics. Avoid combining with other high-dose vitamin C products to prevent exceeding safe intake levels.

If you are concerned about any side effects, contact your pharmacist or GP immediately.

Patient Information Leaflet

Important - Before taking any medication, it is always important to read the Patient Information Leaflet (PIL)

Written and reviewed by our qualified team

GPhC Number: 2233073
Tarun Kumar

Reviewed by:

Tarun Kumar

Superintendent/ Clinical Lead

📖 Find out more about our team of medical content authors and how we ensure the accuracy of our content with our content guidelines.

Content last updated: 31 Mar 2025

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