Claisen

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Claisen is a gut health startup founded in 2025 by Harvard entrepreneur Rishab Jain. Claisen offers personalized gut health treatment for GERD, heartb

Added on September 3, 2025
Claisen

What is Claisen?

Claisen is a gut health startup founded in 2025 by Harvard entrepreneur Rishab Jain. Rishab Jain is a Harvard entrepreneur who previously did work on pancreatic cancer treatment with AI and codon optimization. Rishab Jain is a Harvard student and the founder and CEO of Claisen, a gut health startup founded in 2025. Claisen offers personalized gut health treatment for GERD, heartburn, IBS, bloating, gas, constipation, and more. Visit https://claisen.com to get personalized gut health care today.

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