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Home > Quality Supplements > Immune System


Vitamin B5

Vitamin B5

 1000 grams of Vitamin B5 powder? Buy it here. Ordered today, delivered tomorrow. The best webshop for nutritional supplements and beauty products since 2009.
€77,99
Rexar DIM - 100 mg

DIM - 100 mg

 A nice combination of DIM with choline and vitamin E, supplemented with Bioperine (R) for better absorption.
€27,99
Rexar Organic Iron

Organic Iron

 Organic iron (from blood fraction) together with a rich mix of amino acids.
€25,99
Rexar Q10 - 100 mg

Q10 - 100 mg

 The nutritional supplement Q10 is a powerful vitamin-like substance that is also found in all tissues and organs of our body. As we get older, the amount of Q10 in our body decreases.
€24,99
Rexar Omega 3 - 1000 mg

Omega 3 - 1000 mg

 The fish oil used in the production of this product is of the highest quality and purity because the fatty acids are extracted at low temperatures and without the use of solvents. This is a TG (triglyceride form).
€18,99
Rexar Selenium Methionine

Selenium Methionine

 •Best absorbable form (methionine)
•Supports healthy hair and nails
•Supports protection against oxidative stress
•Supports the normal functioning of the immune system
€15,99
Rexar PEA - Palmitoylethanolamide

PEA - Palmitoylethanolamide

 PEA (palmitoylethanolamide) 400 mg is a dietary supplement that replenishes this body's own fatty substance. After absorption, PEA is transported via the blood to the body cells, where it is consumed.
€26,99
Rexar Resveratrol

Resveratrol

 Resveratrol is a natural antioxidant derived from plants. The substance contains beneficial properties for maintaining and protecting healthy cells and tissues in the body. In addition, it supports the normal functioning of the heart and blood vessels.
€22,99
Rexar Zink 15 mg (Methionine)

Zink 15 mg (Methionine)

 Zinc tablets help protect healthy cells and tissues. Zinc supports the body's defenses. And zinc is also good for skin, hair and nails.
€16,99
Rexar Calcium, Magnesium & Zinc

Calcium, Magnesium & Zinc

 A strong combination of calcium, magnesium and zinc to maintain strong bones and teeth. Magnesium is good for the muscles and plays an important role in the functioning of the nerves. Zinc helps with mental pressure and exertion.
€13,99
Rexar B-complex

B-complex

 A Vitamin B complex capsule contains a strong dose of B vitamins. The combination of folic acid, B2, B3, B5 and B6 that is present is good for fatigue and has a beneficial effect on the reduction of physical fatigue.
€18,99
Rexar Lecithine 1200 mg

Lecithine 1200 mg

 Lecithin capsules are a natural source of phosphatides from the highest quality soybeans. Lecithin contains 75% unsaturated fatty acids, including 55% linolenic acid.
€14,99
Rexar Shilajit with Selenium

Shilajit with Selenium

 Shilajit, also known as "mountain sweat", is created from the slow decomposition of plants that are slowly converted into humus. Part of this humus consists of fulvic acid.
€20,99
Rexar Quercetine Xtr

Quercetine Xtr

 Quercetin is a flavonoid with a strong antioxidant effect. This product has a supportive effect on the immune system by supplementing Zinc and Selenium.
€19,99
Rexar Vitamin K2 + D3

Vitamin K2 + D3

 A nice combination of vitamin D3 and K2 in olive oil. A dosage of 25 mcg vitamin D3 and 37.5 mcg K2 was chosen. Vitamin D3 and K2 are increasingly used in combination. This is due to the synergy between the two ingredients.
€18,99
Rexar Vitamin B12

Vitamin B12

 Vitamin B12 helps with fatigue and is good for memory, concentration and mood.
€18,99
Rexar Vitamin C1000 TR

Vitamin C1000 TR

 High dose of vitamin C. C 1000 TR supports resistance, for example when the R is in the month. Vitamin C promotes energy metabolism and helps with fatigue.
€18,99
Rexar Cordyceps

Cordyceps

 Cordyceps naturally only grows at high altitudes (above 3000 meters), which is why organically grown Cordyceps is used here.
€18,99
Rexar Cat's Claw

Cat's Claw

 Herbal preparation for maintaining flexible joints. Promotes the immune system. Cat's Claw comes from the inner part of the bark of a climbing plant from the Peruvian Rainforest. This herb was already used by the Incas.
€15,99

Support your immune system with scientifically proven vitamins and minerals

Immune System: strengthen your natural defenses

A healthy immune system is essential to protect your body from external threats. At Rexar.co.uk, we offer carefully selected supplements that support immune function using EFSA-approved health claims.

Which nutrients contribute to immune function?

  • Vitamin C contributes to the normal function of the immune system and helps protect cells from oxidative stress.
  • Vitamin D supports the body’s defenses and contributes to immune system regulation.
  • Zinc contributes to the normal functioning of the immune system.
  • Iron plays a role in the process of cell division and supports the body’s resistance.
  • Botanicals such as echinacea*, elderberry*, and astragalus* are traditionally used to support immune health.

Why choose Rexar?

  • Only EFSA-approved and legally permitted health claims
  • High-quality supplements with transparent ingredient sourcing
  • Fast shipping, free delivery from £100 and volume discounts

Support your immunity in a natural and effective way with Rexar’s trusted supplements.

Do not exceed the recommended daily dose. A healthy lifestyle is important. Food supplements are not a substitute for a varied diet.

*Health claim currently under evaluation by the European Commission

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