Should I take zinc or eat oysters to ward off colds, boost my immune system or improve fertility?

This article examines the health claims surrounding zinc supplementation and dietary intake for immune support and fertility. It notes that while zinc is essential, most people in high-income countries obtain sufficient amounts through a balanced diet.
Why it matters
It provides evidence-based health information to help consumers navigate supplement marketing and nutritional needs.
Supersizer/Getty Images Should I take zinc or eat oysters to ward off colds, boost my immune system or improve fertility? Published: June 29, 2026 1:11am EDT https://theconversation.com/should-i-take-zinc-or-eat-oysters-to-ward-off-colds-boost-my-immune-system-or-improve-fertility-284942 https://theconversation.com/should-i-take-zinc-or-eat-oysters-to-ward-off-colds-boost-my-immune-system-or-improve-fertility-284942 Link copied Share article Share article
The content is based on nutritional science and provides a balanced view of dietary requirements versus supplement marketing.
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