Lucille Health Secures Multi-Million Dollar Investment from Iris Ventures

Lucille Health, a US-based nutrition company, has secured a multi-million dollar investment led by Iris Ventures. The round also included participation from New Fare and Jesse Merrill, who previously backed the company in an undisclosed pre-seed round in 2025, alongside investors including Able Partners, Amity Supply, Springdale Ventures, and Great Circle Ventures.

The company develops high-protein, calorie-dense shakes designed specifically for older adults. Its products aim to address gaps in senior nutrition, focusing on formulations that combine nutritional density with more accessible ingredients and taste profiles.

Lucille was founded by CEO Jess Haghani, who launched the company after struggling to find suitable nutrition options for her grandmother. The company positions itself within a category it describes as dominated by legacy, ultra-processed products, despite increasing demand driven by ageing populations.

According to Iris Ventures, the US population aged 75+ and 85+ is expected to grow significantly over the next decade, while the broader meal replacement market is projected to reach nearly $24 billion by 2031. Lucille’s products, developed in partnership with nutrition experts from Harvard’s T.H. Chan School of Public Health, include shakes with 20 grams of protein, added fiber, and a range of vitamins and minerals.