As of 2025, the ketogenic (keto) diet continues to be popular, though its prominence has experienced fluctuations over the past few years. Recent studies and market analyses provide insight into its current status.
Market Growth and Popularity
The global ketogenic diet market was valued at approximately $10.87 billion in 2024 and is projected to reach around $17.72 billion by 2034, reflecting a compound annual growth rate (CAGR) of 5.6% . This growth is driven by increasing health consciousness and the adoption of the keto diet to combat obesity, diabetes, and cardiovascular diseases. Additionally, the availability of keto-friendly products and customized diet plans has contributed to its sustained popularity.Claight Corp+1The Business Research Company+1
Declining Online Interest
Despite the market growth, online interest in the keto diet has declined. Google search data indicates that searches for the keto diet in the U.S. dropped by 87% from their peak in January 2019 to January 2023 . This decline suggests a decrease in active engagement and curiosity among the general public.Health & Fitness
Health Concerns
Health experts have raised concerns about the keto diet’s long-term effects. A study published in Current Problems in Cardiology in March 2024 highlighted potential risks, including elevated LDL cholesterol levels, which could increase the risk of heart disease . Additionally, the diet’s restrictive nature may lead to nutrient deficiencies and other health issues .Vogue
Evolving Dietary Trends
The emergence of alternatives like Ozempic, a weight-loss medication containing semaglutide, has influenced dietary trends. Ozempic has gained popularity, with search interest surpassing that of the keto diet, indicating a shift toward pharmaceutical solutions for weight management . Moreover, diets like the carnivore diet have gained attention, particularly on social media platforms, though experts caution about their potential health risks .Business Insiderdailytelegraph
Potential Mental Health Benefits
Conversely, some research suggests that the keto diet may offer mental health benefits. Studies have explored its potential to alleviate symptoms of depression, anxiety, and other mood disorders . However, these findings are preliminary, and more research is needed to confirm these effects.thetimes.co.uk
Conclusion
In 2025, the keto diet remains popular, supported by market growth and anecdotal reports of benefits. However, declining online interest and emerging health concerns suggest a complex landscape. Individuals considering the keto diet should consult healthcare professionals to determine its suitability for their personal health goals and circumstances.