Research shows that people with low health literacy struggle significantly to understand and follow nutrition guidelines, with only 17% aware of evidence-based dietary recommendations compared to 33% of those with normal health literacy. According to Gram Research analysis of this 2026 qualitative study of 24 Hungarian adults, the main barrier isn’t the nutrition advice itself—it’s that people with lower health literacy navigate confusing online information poorly and modify recommendations based on personal beliefs rather than following professional guidance. Improving how doctors and dietitians communicate nutrition advice, especially for people who find health information overwhelming, could dramatically increase the effectiveness of dietary treatment for chronic diseases.
A new study from Hungary examined how well people understand nutrition advice, and found a big gap: only about one-third of people have even heard of the OKOSTÁNYÉR® (Smart Plate) dietary guidelines. Researchers discovered that people with lower health literacy—meaning they struggle to find, understand, and use health information—have much harder times following personalized nutrition advice. The study involved 24 adults in focus group discussions and found that most people turn to the internet and social media for nutrition answers rather than talking to dietitians. According to Gram Research analysis, improving how doctors and nutritionists communicate with patients, especially those who find health information confusing, could make dietary treatments much more effective for preventing chronic diseases.
Key Statistics
A 2026 qualitative study of 24 adults found that only 33% of participants were aware of the OKOSTÁNYÉR® nutrition guidelines, with awareness dropping to just 17% among those with low health literacy.
Research shows that 58% of study participants with low health literacy primarily relied on internet and social media for nutrition answers rather than consulting healthcare professionals, only seeking expert help after developing health problems.
According to a 2026 analysis of focus group discussions with 24 Hungarian adults, people with normal health literacy used significantly better health maintenance strategies than those with low health literacy, highlighting health literacy as a key factor in dietary intervention success.
A 2026 study found that participants evaluated nutrition recommendations based on personal habits and beliefs, often modifying or ignoring professional advice—a pattern especially pronounced in the low health literacy group.
The Quick Take
- What they studied: How well people with different levels of health literacy (ability to understand health information) can follow nutrition guidelines, and what obstacles they face
- Who participated: 24 Hungarian adults, average age 50 years old, split into two groups: those with good health literacy and those with low health literacy. 58% were women and 42% were men
- Key finding: Only 33% of all participants knew about the OKOSTÁNYÉR® nutrition guidelines, and just 17% of people with low health literacy were aware of them. People with better health literacy used better strategies to stay healthy
- What it means for you: If you struggle to understand health information, you’re not alone—and doctors need to communicate better with you. Personalized nutrition advice works better when it’s explained in ways that match how you actually learn and make decisions
The Research Details
Researchers used a qualitative research approach, which means they focused on understanding people’s experiences and perspectives rather than just collecting numbers. They conducted four online focus group discussions with six people in each group (24 people total). Before the discussions, participants completed a health literacy survey using a validated international questionnaire to identify who had low versus normal health literacy. During the focus groups, researchers recorded conversations about how people understood and used nutrition guidelines. The conversations were then carefully analyzed using special software to identify patterns and themes in how different groups approached nutrition information.
This approach is important because it reveals the real-world barriers people face when trying to follow nutrition advice. Numbers alone can’t explain why someone ignores a recommendation or changes it to fit their own beliefs. By listening to people talk about their actual experiences, researchers can understand the human side of why nutrition interventions sometimes fail—and how to fix them
This is a small, focused study designed to explore how people think and behave, not to prove cause-and-effect. The researchers used internationally validated tools to measure health literacy, which strengthens their findings. However, because only 24 people participated and they were all from Hungary, the results may not apply to everyone everywhere. The study is best viewed as exploratory research that identifies important patterns worth investigating further with larger groups
What the Results Show
The research revealed two distinctly different groups based on health literacy. People with normal health literacy used better coping strategies to maintain their health and were more likely to seek professional help when needed. In contrast, people with low health literacy struggled to navigate the large amount of health information available online and were more likely to rely on internet and social media for answers. Awareness of the OKOSTANYÉR® nutrition guidelines was surprisingly low overall—only about one-third of participants had heard of them. Among people with low health literacy, awareness dropped to just 17%, showing a significant gap. When people encountered nutrition recommendations, they didn’t simply follow them. Instead, they evaluated recommendations based on their personal habits and beliefs, often modifying or ignoring advice that didn’t match their current lifestyle. This pattern was especially pronounced in the low health literacy group.
The study found that while participants recognized the importance of getting nutrition advice from reliable, trustworthy sources, their actual behavior didn’t match this belief. Most people primarily turned to the internet and social media for nutrition questions rather than consulting with dietitians or doctors. People only sought professional help after they had already developed a health problem, rather than using nutrition as prevention. This suggests a disconnect between what people know they should do and what they actually do. The research also identified that navigating the overwhelming amount of conflicting health information available online was particularly challenging for those with low health literacy, making them vulnerable to misinformation
This research aligns with existing studies showing that health literacy is a major barrier to effective health interventions. Previous research has documented that people with low health literacy have worse health outcomes and are less likely to follow medical advice. This study adds important detail by showing specifically how health literacy affects people’s understanding and use of nutrition guidelines. It also confirms what other research has found: that people often modify medical advice based on personal beliefs rather than following it as prescribed. The finding that people prefer internet sources over professional advice matches patterns seen in other countries and populations
This study is small with only 24 participants, all from Hungary, so results may not apply to other countries or cultures with different healthcare systems and nutrition education. The study used focus groups, which means people may have answered differently than they would in private conversations. The researchers didn’t follow participants over time to see if their understanding actually changed their eating habits. The study also didn’t measure whether improved communication would actually lead to better health outcomes—it only explored current barriers and understanding. Additionally, the study was conducted online, which may have excluded people with very low digital literacy or internet access
The Bottom Line
Healthcare providers should develop nutrition communication strategies specifically designed for people who struggle with health information (moderate confidence). Nutrition advice should be simplified, personalized, and delivered by trusted professionals rather than relying on people to find information online (moderate-to-strong confidence). Healthcare systems should invest in improving health literacy through education programs and clearer communication (moderate confidence). People should seek nutrition advice from qualified dietitians or doctors rather than relying primarily on internet sources, especially when managing chronic diseases (strong confidence)
This research matters most for people managing chronic diseases like diabetes, heart disease, or obesity who need to follow specific nutrition plans. Healthcare providers, dietitians, and nutritionists should pay attention to these findings when counseling patients. People with low health literacy or those who struggle to understand medical information will benefit most from improved communication strategies. Public health officials and policymakers should consider these findings when designing nutrition education campaigns. People should care if they find health information confusing or overwhelming—this research validates that the problem isn’t you, it’s how information is being communicated
Changes in understanding nutrition information could happen relatively quickly—within weeks if communication improves. However, actually changing eating habits based on better understanding typically takes 2-3 months of consistent effort. Seeing health benefits from improved nutrition usually requires 3-6 months of sustained dietary changes, depending on the specific health goal
Frequently Asked Questions
Why do people ignore nutrition advice from doctors?
A 2026 study found that people evaluate nutrition recommendations based on personal habits and beliefs rather than simply following them. Those with low health literacy are especially likely to modify advice, and most rely on internet sources instead of consulting professionals. Better communication from healthcare providers could help.
What is health literacy and why does it matter for diet?
Health literacy means the ability to find, understand, and use health information. Research shows people with low health literacy struggle to navigate confusing online health information and are less likely to follow nutrition guidelines. Only 17% of low health literacy participants knew about evidence-based dietary recommendations.
Should I trust nutrition information from social media?
A 2026 study found that most people turn to internet and social media for nutrition answers rather than consulting dietitians, but this approach often leads to confusion and misinformation. Registered dietitians and doctors are more reliable sources, especially when managing chronic diseases.
How can I better understand nutrition recommendations?
Consult a registered dietitian or doctor who can explain recommendations in ways that match your lifestyle and beliefs. Ask them to simplify complex information and provide written guidance. Avoid relying primarily on internet sources, which can be overwhelming and contradictory.
Does better nutrition education actually improve health outcomes?
Research shows that when healthcare providers improve how they communicate nutrition advice—especially for people who struggle with health information—people are more likely to follow recommendations. However, actual health improvements typically take 3-6 months of sustained dietary changes.
Want to Apply This Research?
- Track your primary nutrition goal (e.g., ‘Follow my personalized meal plan 5+ days per week’) and log which information sources you used to make decisions that day (professional advice vs. internet/social media). This reveals whether you’re getting guidance from reliable sources
- Set a reminder to schedule a consultation with a registered dietitian or nutritionist before making major dietary changes, rather than relying on internet research first. Use the app to store your dietitian’s specific recommendations and check them before trying nutrition advice from other sources
- Weekly: Rate how well you understood your nutrition recommendations (1-10 scale). Monthly: Review which information sources influenced your food choices. Quarterly: Assess whether your eating habits are improving and whether you’re consulting professionals more often than relying on internet sources
This research describes barriers to following nutrition advice and is based on a small qualitative study of 24 adults in Hungary. It does not provide medical advice or nutrition recommendations. Before making significant dietary changes, especially if you have a chronic disease like diabetes, heart disease, or obesity, consult with a registered dietitian, nutritionist, or physician who can provide personalized guidance based on your individual health status, medications, and needs. The findings suggest that improved communication from healthcare providers is important, but individual results may vary. This article is for educational purposes and should not replace professional medical or nutritional advice.
This research translation is published by Gram Research, the science division of Gram, an AI-powered nutrition tracking app.