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Functional foods have been marketed as promoting health and reducing the risk of disease. While the market of functional foods is increasing across the globe, little is known about how actual and subjective health status are related to functional food choices and existing research evidence is inconsistent. Therefore, the purpose of this paper is to systematically explore the relationship between functional food choices and perception related dimensions vs medical dimensions.

The study used data collected from a large-scale mail survey in Japan (N = 8,368) and a representative Internet survey in Lithuania (N = 900). It used structural equation modeling (SEM) to test the proposed conceptual model.

The general results indicated that functional foods could be used to maintain one’s subjective health status – the frequency of using functional food products was positively related to consumers’ subjective health status (p = 0.04). However, if consumers were experiencing health-related issues (self-reported disease symptoms or current medical treatment), there was no systematic relationship between such experience and the usage of functional food products.

To the best of the authors’ knowledge, this study is among the first to systematically analyze the relationship between subjective health status, self-reported disease symptoms, current medical treatment and the frequency of using different functional food product groups. The findings indicated that it is important to simultaneously consider different underlying factors, such as specific to functional food targeted disease symptoms and specific food product groups, which contributed to a more thorough understanding of functional food consumption.

The purpose of this paper is to empirically examine the links between consumer age identity, nostalgia and preferences for nostalgic products.

A theoretical framework is proposed based on integrating nostalgia and age identity as parts of an individual’s self-concept. Research results are obtained from the empirical study of a sample of 313 consumers in Lithuania and five interviews with experts in marketing industry.

Employing structural equation modeling analysis, the current study provides initial evidence that the bigger the discrepancy between one’s chronological and cognitive age, the more nostalgic products one buys. Furthermore, age identity acts as a better predictor for purchasing nostalgic products than nostalgia.

The current paper explores the impact of nostalgia and age identity on consumer purchasing behavior which is not addressed in literature before. By evaluating the role of nostalgia and age identity, the study offers a deeper understanding of consumer behavior in nostalgia contexts. Moreover, unlike in most previous studies on nostalgia and age identity, it is focused on actual rather than intended behavior. The present study is also relevant for current marketers as the findings provide additional information and recommendations for choosing appropriate marketing and communication strategies.