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Sunna van Kampen

Tonic Health: all-in-one vitamin drinks and gummies

  • Founded 2019
  • In Tesco and Sainsbury's
  • 1m social followers

About

Sunna van Kampen founded Tonic Health in 2019 after catching four or five colds every winter while working at Barclays. Tonic makes all-in-one vitamin drinks and gummies with vitamins C and D and zinc for immune health.

Tonic is sold by Tesco, Sainsbury's, Asda and Morrisons, and by Walmart in the US. It has a million social media followers and an average of 45 million organic views a month.

Number 62 on the Startups 100 Index 2025.