Cereal or supplement?
While supplements can form part of a healthy diet, sometimes they don’t deliver what they promise.

Many older Australians rely on supplements to maintain their health, but recent warnings suggest it’s time to take a closer look at what’s really in those bottles.
Experts have found that some iron supplements on the market contain only tiny amounts of elemental iron – sometimes no more than what you’d get from a slice of bread or a bowl of cereal. Despite this, they’re often marketed as solutions for serious conditions such as iron-deficiency anaemia, which can leave people feeling fatigued and unwell.
This is particularly concerning for older adults, who are more likely to experience nutrient deficiencies and may assume that a supplement will fix the problem.
If you have anaemia, you may need 100 to 200 milligrams of elemental iron each day to restore healthy levels. Yet many products sold in pharmacies and supermarkets contain as little as five milligrams, making them virtually ineffective for treating the condition.
The problem is compounded by confusing labels and the fact that many of these products are “listed” rather than “registered” with the Therapeutic Goods Administration, meaning they haven’t undergone rigorous testing for efficacy.
The takeaway is simple: don’t assume that a supplement will do what it promises.
Always check the label for the actual amount of active ingredient, and talk to your doctor or pharmacist before starting anything new.
A health professional can help you choose a product that meets your needs and ensure it won’t interact with any medications you’re already taking.
This advice doesn’t just apply to iron. Many supplements make bold claims without delivering meaningful benefits, and some can even cause harm if combined with prescription drugs.
Whenever possible, aim to get your nutrients from food first. Whole foods provide a balance of vitamins and minerals that supplements can’t replicate.
If you suspect a deficiency, ask for a blood test before spending money on pills that may not help. And if you do need a supplement, choose one backed by evidence and regulated for quality.
In short, supplements can play a role in supporting health, but only when used wisely. For older Australians, that means being informed, asking questions, and making decisions based on facts rather than marketing.
A little caution now can save you money, and protect your health, in the long run.
Related reading: The Guardian, Health Direct
Disclaimer: This article is for information purposes only and should not be considered medical advice. Consult a healthcare professional about any health concerns or before making any changes to your medication, diet, or exercise routine.
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