Fitterfly, a digital health and therapeutics platform, has raised $12 million in a Series A round led by Amazon Smbhav Venture Fund and venture capital firm Fireside Ventures. Other investors who participated in this funding session included 9 Unicorns, Venture Catalysts and Nihar Parikh, Founder of 4point0 Health Ventures, and Sriram Natarajan, Founder of Molbio.