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This research aims to gain insight into how consumers interact with a commercially available genetic nutrition programme, DNAfit, to explore health change via an intervention.

Focus groups were conducted between June and October 2019, pre-, during- and post-intervention, with a total sample of 14 younger (aged 25–44 years) and 14 mature (aged 45–65 years) cohorts from New Zealand. Qualitative thematic analysis was completed with the help of NVivo software.

Younger participants in this study engaged less overall with DNAfit, felt the service did not match their lifestyles and did not encourage their believability of genetic personalised nutrition (GPN). In contrast, mature participants had positive engagement with GPN, as their motivation to use the service fit with their motivation for longevity. Overall, social uptake in health changes based on GPN is likely to depend on life stage.

This paper adds to limited social marketing research, which seeks novel avenues to explore how consumers engage with GPN technologies to drive social change, assisting social marketers on how to more effectively deliver health programmes that allow consumer-driven interaction to build health capabilities.

The purpose of this paper is to identify a need to incorporate Asian perspectives in theories of food consumption and marketing.

This editorial discusses the mutually recursive relationship between food and culture in Asian markets, offers an integrative summary of the special issue and develops several key themes for future research.

Food consumption plays a central role within Asian cultures and markets. Thus, understanding Asian perspectives and contexts provides an important complement and contrast to current theories of food consumption and marketing that have been primarily sited in North American and European contexts. In particular, the complex multiplicity of Asian consumer cultures creates dynamic heterogeneity within Asian food markets.

Although food consumption plays a central role in Asian consumer cultures, extant theory regarding Asian food consumption and marketing is still in its infancy. We highlight important developments in this area that suggest a path for future work.

The authors make three contributions to the literature on food consumption and marketing. First, while engaging with these questions, this issue points to the importance of Asian cultural perspectives into the marketing literature on food consumption. Second, through the articles of this special issue, we trace the relationships between food consumption practices, marketing practices and cultural multiplicity in Asian contexts. Finally, we draw the threads together to provide directions for future research in this area.