Claisen

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

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About 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.