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Melissa Davey

Melissa Davey

The Guardian

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Sea moss is everywhere on TikTok – yes it’s natural but that doesn’t mean it’s safe or beneficial for all

Sea moss is everywhere on TikTok – yes it’s natural but that doesn’t mean it’s safe or beneficial for all

If you have a weak stomach, I don’t recommend watching one of the many videos on social media of influencers dipping their spoons into a jar of sea...

03.03.2026 10

The Guardian

Melissa Davey

Gut check: are at-home microbiome tests a way to ‘hack your health’ or simply a waste?

20.01.2026 40

The Guardian

Melissa Davey

Longevity supplements are sold as helping prevent ageing. But do they have any long-term benefits or increase lifespan?

09.12.2025 10

The Guardian

Melissa Davey

What is protein water – and can it help me lose weight and gain muscle?

28.10.2025 9

The Guardian

Melissa Davey

Can retinol, vitamin A or other compounds really keep your skin healthy and ‘youthful’?

Antiviral reader Patrick wrote in to us because of the “constant claims” he sees on social media “that retinol (vitamin A) and related compounds...

18.12.2024 10

The Guardian

Melissa Davey