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Medical Daily
Medical Daily
Health
Dorothy Brooks

Dietitians Say the TikTok "Eat the Rainbow" Trend Is Actually Sound Advice: Here Is the Science Behind It

TikTok Healthline Michelle Routhenstein MD Anderson Cancer Center SNAP

Why This Matters

Most viral nutrition trends on social media are not supported by registered dietitians. Many are actively discouraged. The "eat the rainbow" trend, which has resurfaced on TikTok in 2026 under variations including the "3-color rule," is a meaningful exception.

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