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Immunity Support

Immunity Support

The changing seasons can invariably weaken the health of the immune system, leading to illnesses such as colds and flu. While ensuring a healthy balance of exercise and diet, vitamins and supplements can help to fortify immunity and support defences against seasonal illnesses.

Choose from our specially formulated range of immunity support supplements which are designed to support the normal function of the immune system, all year round. Additionally, as with all Simply Supplements products, these supplements are GMP approved for premium quality.
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55 products

Bottle of Simply Supplements Cod Liver Oil 1000mg on a white background

Simply Supplements

Cod Liver Oil Capsules 1,000mg

From £8.49
From £8.49
  • Contributes to healthy skin, immune system, bones and muscles
  • Impressive 240mg of EPA and 270mg of DHA per serving
  • Rapid release capsules for fast and efficient absorption
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Bottle of Simply Supplements Vitamin D3 2000iu on a white background

Simply Supplements

Vitamin D3 Tablets 2,000iu

From £5.74
From £5.74
  • High-potency dose for optimal support
  • Matches the natural vitamin D produced from sunlight
  • Most bioavailable form for maximum absorption
  • Essential support for bones, muscles, teeth & the immune system
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Simply Supplements A to Z Multivitamins & Minerals product

Simply Supplements

A to Z Multivitamins & Minerals

From £10.49
From £10.49
  • For general health, wellbeing and vitality
  • Complete A–Z coverage from 32 essential nutrients
  • Supports Energy, Immunity & Brain Function
  • Easy-to-take daily tablet for optimal convenience
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Bottle of SimplySupplements Zinc 15mg supplement on a white background

Simply Supplements

Zinc Tablets 15mg

From £6.64
From £6.64
  • Contributes to normal fertility and immunity
  • Healthy hair, skin and nails
  • Contributes to the normal function of the immune system
  • One-a-day tablet
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Supplement bottle labelled '50 Plus Formula' by Simply Supplements on a white background

Simply Supplements

50 Plus Formula

From £7.70
From £7.70 £14.99
  • Expertly formulated for those over the age of 50
  • Provides tailored and comprehensive support
  • Easy-to-swallow tablets with a flexible dosage
  • Suitable for vegetarian customers
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Bottle of SimplySupplements Multivitamins on a white background

Simply Supplements

Multivitamins A,B,C,D & E 100% NRV

From £2.67
From £2.67 £6.29
  • Helps to reduce tiredness & fatigue
  • Contribute to the normal function of the immune system
  • Supports the maintenance of normal skin
  • Contribute to the protection of cells from oxidative stress
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Supplement bottle labeled 'SimplySupplements Garlic 10,000mg' on a white background

Simply Supplements

Garlic Capsules 10,000mg

From £10.49
From £10.49
  • Garlic without the unpleasant taste
  • Support for the heart and the immune system
  • Contains thiamine, vitamin C and iron for comprehensive support
  • Some of the strongest garlic capsules on the market
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SimplySupplements Vitamin D2 800iu supplement bottle on a white background

Simply Supplements

Vitamin D Tablets 800iu

£11.54
£11.54 £16.49
  • For the maintenance of strong bones and teeth
  • Contributes to normal muscle and immune system function
  • Vegan-friendly vitamin D tablets
  • Provides the officially recommended dose of vitamin D
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SimplySupplements Vitamin C 1000mg food supplement with rosehip and citrus bioflavonoids, 180 tablets, vegan friendly, one tablet a day, made in the UK

Simply Supplements

Vitamin C 1000mg with Rosehip & Citrus Bioflavonoids

From £13.99
From £13.99
  • Supports immunity and collagen formation
  • Contributes to the reduction of tiredness and fatigue
  • Supports a normal energy-yielding metabolism
  • Contributes to normal psychological function
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White supplement bottle labeled 'SimplySupplements Vitamin B12 1000µg' on a white background

Simply Supplements

Vitamin B12 1000µg

From £12.99
From £12.99
  • Maximum strength one-a-day B12 formula
  • Perfect for those concerned about their B12 levels
  • Supports the normal function of the nervous system
  • Contributes to the normal function of the immune system

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Supplement bottle labeled 'SimplySupplements Selenium with Multivitamins & Iron' on a white background

Simply Supplements

Selenium 220mcg with Multivitamins & Iron

From £5.80
From £5.80 £8.99
  • Hair and skin support
  • Maintenance of immune and thyroid function
  • May support fertility
  • Synergistic formula in every tablet
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Supplement bottle labeled 'SimplySupplements Odourless Garlic 3000mg' on a white background

Simply Supplements

Odourless Garlic Capsules 3000mg

From £7.99
From £7.99
  • Garlic extract without the odour or taste
  • Supports heart health, circulation and immunity
  • Assessed for purity and quality
  • Manufactured in the UK to strict GMP standards
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Supplement bottle labeled 'Simply Supplements Vitamin D3 4000iu' on a white background

Simply Supplements

Vitamin D3 Tablets 4,000iu

£13.99
£13.99
  • Maximum strength for those who require highest levels
  • Support for healthy bones and teeth
  • Promotes immunity and calcium absorption
  • May help reduce postural instability and muscle weakness
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Supplement bottle labeled 'Iron 14mg' by Simply Supplements on a white background

Simply Supplements

Iron 14mg

From £9.49
From £9.49
  • Supports normal cognitive & immune system function
  • For normal energy yielding metabolism
  • Helps reduce tiredness & fatigue
  • Small, easy-to-swallow tablets

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Simply Supplements Ginkgo & Ginseng Complex

Simply Supplements

Ginkgo & Ginseng Complex

£2.20
£2.20 £14.69
  • High-strength 50:1 Ginkgo & Korean Ginseng extracts for maximum potency
  • Enhanced with Iron & Vitamin B6 to help reduce tiredness and support mental performance
  • Premium-quality formula made in the UK to strict GMP standards
  • Suitable for vegans, easy-to-swallow tablets and exceptional value per serving
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Simply Supplements Cod Liver Oil Capsules 550mg

Simply Supplements

Cod Liver Oil Capsules 550mg

From £7.24
From £7.24
  • Supports the maintenance of normal vision, skin and bones
  • Contributes to normal immune function
  • Easy-to-Swallow Soft-Gel Capsules
  • Best value in the UK - Price Match Promise PLUS 10%
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Vitamin B12 supplement bottle with orange label on a white background

Simply Supplements

Vitamin B12 Tablets 500mcg

From £11.84
From £11.84
  • Contributes to the formation of red blood cells
  • Helps maintain normal psychological function
  • Contributes to normal energy-yielding metabolism
  • Supports normal functioning of the nervous system
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SimplySupplements Immunity Support supplement bottle on a white background

Simply Supplements

Immunity Support with Vitamin C, Vitamin D & Zinc

From £4.82
From £4.82
  • Premium-quality ingredients, carefully selected for purity
  • Department of Health recommended level of vitamin D
  • Suitable for vegans and vegetarains
  • UK made at GMP and SALSA certified facilities
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Supplement bottle with cranberry and vitamin C on a white background

Simply Supplements

Cranberry Tablets 24,000mg with Vitamin C 160mg

From £13.64
From £13.64
  • Promotes a healthy immune system
  • Contributes to normal metabolism
  • Protects against oxidative stress
  • High-quality ingredients
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Supplement bottle labeled 'SimplySupplements Cranberry 15,000mg' on a white background

Simply Supplements

Cranberry Tablets 15,000mg

£2.24
£2.24 £14.99
  • Helps protect cells from oxidative stress
  • Enhanced with vitamin C for immune support
  • Popular with female customers
  • Made from 100% natural cranberries
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