WHOLE's main objective is to promote active and healthy ageing through physical activity and healthy nutrition for frail seniors and older people at home (i.e. care recipients) using the personalised home care services provided to them by formal and informal carers. At the same time, WHOLE equally emphasises the effects of physical activity and healthy nutrition on the wellbeing and relief of formal, and especially informal, carers. WHOLE’s specific objective is to develop a basic e-learning platform for physical activity and healthy nutrition at home in order to train formal and informal carers to implement it as an integral part of the home care services they provide. Additionally, WHOLE aims to aid in the overall prevention of functional decline and frailty among older people.