Caitriona Ryan is holding back the years with the help of science, focusing on longevity through cellular health rather than just appearance. As a consultant dermatologist and co-founder of ID Formulas, Ryan launched a supplement range after observing how frequently patients ask for medical advice on anti-ageing products. Her background includes a first-class honours medical degree from University College Dublin, dermatology training at St Vincent’s Hospital, and research experience in Texas.
Targeting cellular aging requires a shift in perspective. Ryan launched the company because she believes the visible signs of aging are just one part of a larger biological process. She explains that the cellular mechanisms causing wrinkles are the same ones leading to frailty and cognitive decline. Her approach targets these processes directly, aiming to address the root causes of aging across different tissues.
The product is priced at €250 per month, a cost that requires justification according to Ryan. She notes that many supplements claim to make people feel better, but it is difficult to measure that improvement objectively. To solve this, the company has integrated with Whoop, a wearable fitness and health tracker. Users can connect their accounts to the supplement platform, allowing them to track their biometric trends over an 8 to 12-week period to verify any changes in their health data.
While supplements target cellular processes, Ryan emphasizes that exercise is the most significant factor in how humans age. She estimates genetics account for only about 20 percent of the aging process, leaving the majority determined by lifestyle choices. A balanced diet, particularly a Mediterranean approach, and adequate sleep are also critical components of her longevity strategy.
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Stress and sleep impact biology
Ryan argues that society does not place enough emphasis on sleep, particularly the recommended seven hours or more. She notes a higher mortality risk for those sleeping less than six hours, a statistic she takes seriously enough to adjust her own bedding environment. She uses a mattress designed to keep the sleeping surface cooler to promote deeper rest.
Beyond diet and sleep, the dermatologist highlights the connection between psychological health and biological aging. She sees physical skin conditions like rosacea and psoriasis frequently flare in response to emotional stressors such as divorce or job loss. Loneliness is another significant risk factor, which she believes extends beyond older widows to younger generations struggling with social isolation while working from home.
She prefers to die at age 80 with full cognitive function over living to 100 with years of dementia. The goal is to add quality years to a life, not just extend the duration of chronic illness. This perspective shifts the focus from simply extending lifespan to ensuring that those extra years are functional and healthy.
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