Immune System

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Reviewed by Louisa Giampaolo, Dietitian, on 9 June 2026

Immune Support Supplements

Shop immune support supplements at Elite Supps. Your immune system runs best when the basics are covered - good sleep, a varied diet, regular movement and managing stress - and certain micronutrients play a genuine role in supporting normal immune function. Every member of our team is a certified nutritionist, so you can choose with confidence.

Key Immune Nutrients

Several micronutrients are involved in a healthy immune response, often working together (1):

  • Vitamin C - an antioxidant that supports normal immune function and helps protect cells from oxidative stress.
  • Vitamin D - involved in immune regulation; many Australians run low in the cooler months.
  • Zinc - a mineral central to the normal function of immune cells.
  • Vitamin A, selenium and others - supporting nutrients that contribute to a healthy immune response.

A balanced formula or a few targeted nutrients can help cover the bases - but supplements support your immune system, they do not prevent or treat illness.

When to Take Immune Support

Many people top up through winter, during busy or run-down periods, or when their diet has slipped. The most reliable approach is consistency - supporting your intake day to day rather than only reaching for something when you already feel off.

How to Choose

For an everyday option, vitamin C, vitamin D or zinc on their own are simple and well understood. For broad cover, look for an immune formula that combines them, or a multivitamin. If you suspect you are low in vitamin D, a GP blood test is the best guide.

How to Take and Safety

Follow the label - with zinc and the fat-soluble vitamins in particular, stick to the recommended dose, as more is not better. If you take medication, are pregnant or breastfeeding, or have a health condition, check with your GP or pharmacist first. See your doctor for any persistent illness.

Why Buy from Elite Supps

  • Every member of our team, online and in all our stores, is a certified nutritionist, so expert advice is always free.
  • A specialist range of immune support - vitamin C, D, zinc and combination formulas.
  • More than 140 stores nationwide, plus fast online delivery and same-day dispatch.
  • Family-owned, with competitive prices and regular deals.
  • Flat-rate shipping Australia-wide, and free delivery on orders over $150.
  • A 30-day money-back guarantee on your order.

Explore More

Browse vitamins & minerals, multivitamins, gut health (gut and immunity are linked) or the full health & vitamins range. Our certified nutritionists can help.

FAQ

What supplements support the immune system?

Micronutrients like vitamin C, vitamin D and zinc are involved in supporting normal immune function (1), alongside good sleep, diet and exercise. They support your immune system but do not prevent or treat illness.

Does vitamin C help your immune system?

Vitamin C is an antioxidant that supports normal immune function. It works best as part of a healthy diet and lifestyle, taken consistently rather than only when you feel run down.

When should I take immune support?

Many people top up through winter or busy periods. Consistency matters more than timing - supporting your intake day to day is more useful than waiting until you already feel off.

Are immune supplements safe?

Generally yes at recommended doses, but stick to the label, especially for zinc and fat-soluble vitamins. If you take medication, are pregnant or breastfeeding, or have a health condition, check with your healthcare professional first.

Where can I buy immune support in Australia?

Right here at Elite Supplements, from vitamin C, D and zinc to combination immune formulas. Our certified nutritionists can help. Shop online or visit any of our 140+ stores.

References

1. Gombart, A.F., Pierre, A., Maggini, S. (2020) A Review of Micronutrients and the Immune System. Nutrients. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7019735/