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All Journal Jurnal Media Gizi Indonesia (MGI) Journal of Public Health and Pharmacy
Abd Wahab, Mohd Shahezwan
Unknown Affiliation
Health Professions Medicine & Pharmacology Public Health

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The Perceptions of Overweight and Obese Individuals Regarding Weight-Loss Dietary Supplement Advertisements: A Pilot Cross-Sectional Survey Zamzuri, Nik Nur Anis Ilyany; Hamdan, Nor Elyzatul Akma; Jamludin, Nurul Ashikin; Shaari, Mohammad Suhaidi; Taridi, Nur Syazwani; Abd Wahab, Mohd Shahezwan; Jamal, Janattul Ain
Journal of Public Health and Pharmacy Vol. 4 No. 3 (2024): November 2024
Publisher : Pusat Pengembangan Teknologi Informasi dan Jurnal Universitas Muhammadiyah Palu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56338/jphp.v4i3.5295

Abstract

Introduction: The negative health consequences of overweight and obesity underscore the importance of weight loss in mitigating these issues. Weight-loss dietary supplements (DS) are highly sought-after by overweight or obese individuals, with widespread advertisements promoting their use. This study aimed to investigate the perceptions of overweight and obese individuals regarding weight-loss DS advertisements. Methods: Over a six-week period from 5th April to 17th May 2023, an online pilot cross-sectional study was conducted targeting overweight and obese individuals in Malaysia. The study utilized a convenience sampling method to recruit participants. Results: Of the 146 participants, most were female (82.9%), 53.4% were overweight, and 46.6% were obese. Most respondents believed that weight-loss DS advertisements often contained exaggerated, unverified, and misleading information. Nearly 90% acknowledged that exaggerated advertisement claims might influence consumers, and about 85% believed that people are influenced to buy frequently advertised weight-loss DS. Despite these perceptions, about 40% reported purchasing a weight-loss DS after seeing such a product in an advertisement, while less than 50% of those who purchased weight-loss DS sought information from healthcare professionals. Conclusion: The study found that almost 40% of the respondents had purchased a weight-loss DS after seeing such products being advertised. Individuals with higher income, married people, and older respondents appeared more likely to purchase a weight-loss DS. These findings underscore the necessity for stricter regulatory frameworks and comprehensive consumer education initiatives to protect consumers from misleading information and unethical marketing tactics within the weight-loss DS industry. Implementing targeted public health interventions could further safeguard consumers from the risks associated with exaggerated product claims.
Vitamin C Use among the Public: Findings from a Cross-sectional Survey in Malaysia Md Nasir, Muhammad Syafiq; Jamal, Janattul Ain; Abd Wahab, Mohd Shahezwan
Media Gizi Indonesia Vol. 21 No. 1 (2026): MEDIA GIZI INDONESIA
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/mgi.v21i1.115-127

Abstract

Vitamin C supplements are widely used for their perceived benefits on immunity, collagen synthesis, and overall health. However, limited research has explored their usage prevalence and associated sociodemographic factors among the public. This study aims to examine the patterns of vitamin C supplement use, factors associated with its use, and the reasons for non-use among Malaysian adults. A cross-sectional survey was conducted from March to April 2024 among 408 Malaysian adults, recruited via convenience sampling. Data were collected through a self-administered online questionnaire, which captured demographic characteristics, vitamin C supplement usage patterns, reasons for use or non-use, sources of information and healthcare consultation behaviour. Descriptive statistics were used to summarize the data, and chi-square or Fisher’s exact tests were applied to identify associations between demographic variables and vitamin C supplement use. Vitamin C supplement use was reported by 79.2% of respondents, with higher prevalence among females, married individuals, and those aged ≥ 30 years. Key motivations included maintaining health (82.4%) and boosting immunity (84.8%). Pharmacies were the primary source (73.1%), while social media dominated as an information channel. Healthcare professional consultation was low, with only 26.9% consulting doctors and 47.7% consulting pharmacists. Non-users primarily cited preferences for natural sources (55.3%) and adequate dietary intake (29.4%) as reasons for non-use. Vitamin C supplement use is widespread in Malaysia, but low engagement with healthcare professionals and high reliance on non-professional sources suggest a need for targeted education and professional guidance to ensure safe and informed supplementation practices.  
Co-Authors Hamdan, Nor Elyzatul Akma Jamal, Janattul Ain Jamludin, Nurul Ashikin Md Nasir, Muhammad Syafiq Shaari, Mohammad Suhaidi Taridi, Nur Syazwani Zamzuri, Nik Nur Anis Ilyany