Belinda Castles
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Belinda Castles is a research writer for Consumer NZ, where she focuses on the efficacy of consumer products. Recently, she highlighted that many over-the-counter cold and flu remedies provide little more than a placebo effect, advocating for simpler and more affordable alternatives like paracetamol and ibuprofen.
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Recent news mentions
Belinda Castles says the results are worrying given these companies’ lack of transparency about when and where their products are tested.
11 sunscreens sold in New Zealand don’t meet SPF claims – reportThe New Zealand Herald – country’s largest newspaper, est. 1863·
New Zealand· 2025-06-12
New Zealand· 2025-06-12Consumer NZ research writer Belinda Castles said some of the claims made by cold and flu remedies did not stack up.
How to save money: 10 things experts say you might be wasting cash onThe New Zealand Herald – country’s largest newspaper, est. 1863·New Zealand· 2025-04-06
New Zealand· 2025-04-06
