Garlic Capsules
Garlic offers a double protection against infections. It stimulates the immune system to fight more actively against germs. It also directly kills some bacteria, viruses and other disease-causing pathogens. This direct action makes it especially valuable for dealing with tummy troubles, but it's also a very popular supplement to help fight viruses like colds and flu.
NAC (N Acetyl Cysteine)
N-acetylcysteine (NAC) is a powerful compound that works in two important ways: it helps boost the immune system and acts as a natural mucolytic. As a building block for glutathione—one of the body’s most important antioxidants—NAC helps protect immune cells from damage and supports a healthy, balanced immune response. This makes it a useful immune system booster, especially during times of stress or illness. NAC also helps break down thick mucus in the lungs and airways, making it easier to cough up and breathe more comfortably. This mucolytic effect makes it especially helpful for people dealing with conditions like bronchitis, asthma, chronic obstructive pulmonary disease (COPD), and sinusitis. It’s also widely used to support recovery from colds, the flu, and other infections that cause mucus build-up. By clearing the airways and supporting the body’s defences, NAC is both an effective immune booster and a reliable remedy for respiratory congestion.
Quercetin
Plant extract of quercetin is the main ingredient of many potential anti-allergic drugs. In research, quercetin prevents immune cells from releasing histamines, which are chemicals that cause allergic reactions. As a result, researchers think that quercetin may help reduce symptoms of allergies, including runny nose, watery eyes, hives, and swelling of the face and lips. It's also thought that quercetin can help to block the formation of the IgE antibodies that are formed when we develop new allergies.
Zinc
Zinc is an essential mineral that plays a vital role in maintaining a strong and responsive immune system. Often overlooked, zinc acts as a key immune booster by supporting the function of white blood cells that defend the body against infections. It helps regulate inflammation, promotes wound healing, and supports the development of immune cells such as T-lymphocytes. A deficiency in zinc can lead to a weakened immune response, making the body more vulnerable to colds, flu, and other illnesses. For those looking to enhance their natural defences, incorporating zinc into a daily wellness routine can serve as an effective immune system booster. Maintaining adequate zinc levels is a simple yet powerful way to support long-term immune health.
Organic KSM-66 Ashwagandha
Ashwagandha is best known for its immunomodulatory properties, particularly due to compounds like withanolides. Ashwagandha appears to help regulate and balance immune function, rather than just work as an immune booster. It has been shown in some studies to increase the activity of natural killer (NK) cells, T lymphocytes, and macrophages, suggesting enhanced innate and adaptive immunity. It can reduce excessive inflammation by influencing cytokine production (e.g. TNF-α, IL-1β), potentially helping in autoimmune conditions and chronic inflammation. Since long-term stress dampens down immune function, ashwagandha’s role in lowering cortisol - the stress hormone - may indirectly preserve immune responsiveness. Since cortisol is the body's own natural anti-inflammatory, this means it can also have an influence on inflammation levels when we're fighting infections. This can potentially relieve symptoms of excessively blocked nose, for example.
Omega 3
The immune system needs a balance between omega 3 and omega 6 fatty acids in order to function properly. Unfortunately, the modern diet tends to be much higher in omega 6 than omega 3 and the resulting upset to that balance can cause immune dysfunction. The polyunsaturated fatty acids found in omega 3s have powerful anti-inflammatory properties, as well as stimulating B and T cell proliferation to boost the immune system. This unique ability to regulate the immune response makes them effective for those with an over-active inflammatory response or autoimmune diseases.
Vitamin B Complex
B vitamins are essential nutrients that work together to keep the immune system functioning at its best. These water-soluble vitamins—particularly B6, B9 (folate), and B12—play key roles in the production and activity of white blood cells, which are critical for fighting off infections. Vitamin B6 supports biochemical reactions in the immune system, folate helps generate new immune cells, and B12 contributes to the maintenance of a healthy nervous system, which closely interacts with immune function. A deficiency in B vitamins can impair the body's ability to mount an effective immune response, leading to increased susceptibility to illness. As a group, B vitamins act as a natural immune booster, helping the body cope with physical stress and maintaining energy levels that are essential for overall resilience. Including B vitamin-rich foods or a balanced supplement in your daily routine is a smart and effective way to support your health with a reliable immune system booster.
A Sensible Approach: Using Immunity Boosters Wisely
While immune boosters like zinc, B vitamins, NAC, and probiotics can play a helpful role in supporting overall health, it's important to understand their limitations. These supplements are not cures, and they can’t prevent or treat serious infections on their own. They are best used as part of a healthy lifestyle that includes a balanced diet, regular sleep, stress management, and exercise. If you're experiencing ongoing fatigue, repeated infections, breathing difficulties, high fever, or any symptoms that last more than a few days, it's essential to speak with your GP. Likewise, anyone with a diagnosed medical condition, weakened immune system, or who is taking medication should seek professional advice before starting any new supplement. Immune system boosters can support your health, but they are not a substitute for proper medical care when it's needed.