ChatGPT Image Mar 19, 2026 at 11 45 42 AM

Should I take vitamin C to ward off colds, lower blood pressure or reduce cancer risk?

Vitamin C is one of the most iconic nutrients in popular health culture, often credited with preventing colds, boosting immunity and even fighting serious diseases.

But while it’s essential for our bodies to function, its benefits are often misunderstood or overstated. Before you stock up on supplements, here’s what to consider.

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Tomatoes vegetables.

Antioxidants help stave off a host of health problems – but figuring out how much you’re getting can be tricky

Although your body produces some of these antioxidants, you can get them from the foods you eat, and they’re better for you than supplements.

In fact, researchers found that antioxidant supplements did not reduce deaths, and some supplements in excessive amounts contribute to oxidative stress, and may even increase the risk of dying.

In contrast, increased antioxidant intake from whole foods is related to decreased risk of death.

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Some US protein powders contain high levels of lead. Can I tell if mine is safe?

This week, the United States non-profit Consumer Reports released its investigation testing 23 protein powders and ready-to-drink shakes from popular brands to see if they contained heavy metals.

More than two-thirds of the products contained more lead in a recommended serving size serving than the Californian guidlines recommend in a day: 0.5 micrograms (mcg or µg).

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Omega 3 Supplements

An expert panel has recommended against taking vitamin E or beta carotene supplements for the prevention of cancer and cardiovascular disease – here’s why

The panel of experts concluded that with regard to the prevention of cardiovascular disease or cancer, the harms of beta carotene supplementation outweigh the benefits and that there is no net benefit of supplementation with vitamin E for those purposes.

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