What Is Personalized Nutrition and Why Is It Gaining Popularity?

According to the report by Next Move Strategy Consulting, the global Personalized Nutrition Market size is predicted to reach USD 35.42 billion by 2030 with a CAGR of 15.7% from 2025-2030.

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Personalized nutrition is transforming how we approach food, moving away from one-size-fits-all diets to tailored plans that consider individual health needs, preferences, and biological responses. With advancements in technology and a growing focus on health, this approach is gaining traction globally. From artificial intelligence (AI)-driven apps to grocery-based wellness programs, personalized nutrition is making healthy eating more accessible and effective.

What Are Food Supplements and Functional Foods in Personalized Nutrition?

Food supplements and functional foods are central to personalized nutrition, offering targeted health benefits beyond basic nutrition. According to the Food and Agriculture Organization of the United Nations (FAO), food supplements are concentrated sources of nutrients designed to complement diets, while functional foods provide health benefits beyond essential nutrition.

Key Safety Considerations

The FAO report highlights critical safety factors for these products:

• Interactions with Medications: Active ingredients may interact with medications, requiring clear labeling to inform consumers.
• Dosage Control: Proper dosage is essential to avoid adverse effects, as concentration levels vary.
• New Ingredients: Ingredients without a history of consumption need thorough safety assessments.

Regulatory Insights

Different countries have varied approaches to regulating these products. The FAO emphasizes the need for robust frameworks, especially in low- and middle-income countries, to ensure safety while fostering innovation. Clear labelling and science-based information are vital for consumer trust.

Summary

Personalized nutrition relies on food supplements and functional foods to meet individual health goals. Ensuring their safety through proper regulation and transparent labelling is crucial for consumer confidence and market growth.

• Key Points:
• Food supplements complement diets with concentrated nutrients.
• Functional foods offer additional health benefits.
• Safety requires attention to medication interactions, dosage, and new ingredient assessments.
• Strong regulations support innovation and trust.

How Does AI Personalize Nutrition for Better Gut Health?

Artificial intelligence is revolutionizing personalized nutrition by analyzing individual data to create tailored dietary plans. A 2025 study published in Nutrients explored how an AI-driven nutrition program impacted gut health in 29 healthy participants over six weeks.

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Study Insights

The study used the PROTEIN mobile app, which provided personalized meal plans based on users’ dietary preferences, health conditions, and physical characteristics. Key findings include:

• Gut Microbiome Diversity: Post-intervention, participants showed increased gut microbiota diversity, with dominant phyla like Firmicutes and Bacteroidota, and genera such as Prevotella and Bacteroides thriving.
• Dietary Changes: Participants reduced carbohydrate, protein, and total energy intake, with a 39% decrease in alcohol/beverages, 33% in sweets, and 14% in fast food.
• Health Outcomes: Reduced waist circumference and improved symptoms like constipation and bloating were observed, alongside enhanced immune function.

Why Gut Health Matters

The gut microbiome influences overall health, including digestion, immunity, and disease prevention. AI-driven plans promote microbial diversity, which may lower the risk of diet-related diseases like diabetes and obesity.

Summary

AI-powered personalized nutrition enhances gut microbiome diversity and reduces diet-related health risks. While promising, larger studies are needed to validate these findings.

• Key Points:
• AI tailors diets using individual data, improving gut health.
• A six-week study showed increased microbial diversity and reduced unhealthy food intake.
• Benefits include better digestion, immunity, and lower disease risk.
• Further research is required for broader validation.

How Are Retailers Making Personalized Nutrition Accessible?

Retailers like Walmart are integrating personalized nutrition into everyday shopping, making it accessible to a wide audience. In partnership with Soda Health, Walmart launched the Everyday Health Signals program in 2025, targeting Medicare Advantage and Medicaid flex card members.

Program Details

The initiative uses real-time shopping data to offer:

• Personalized Guidance: Tailored nutritional insights based on Walmart.com shopping patterns.
• Healthy Suggestions: Recommendations for fruits, vegetables, and recipes aligned with individual health goals.
• Accessible Reach: With 90% of Americans living within 10 miles of a Walmart, the program leverages the retailer’s vast network.

Impact on Health Plans

The program helps health plans coordinate care, identify benefit opportunities, and improve wellness outcomes by integrating grocery habits into preventive care strategies.

Summary

Retailers are bridging healthcare and grocery shopping, making personalized nutrition practical and scalable. Programs like Walmart’s demonstrate how everyday shopping can support health goals.

• Key Points:
• Walmart’s program uses shopping data for personalized nutrition guidance.
• It targets Medicare and Medicaid members, enhancing accessibility.
• The initiative supports health plans in improving member outcomes.
• Retail integration makes personalized nutrition widely available.

Why Is Personalized Nutrition the Future of Health?

The rise of personalized nutrition reflects a shift toward individualized health solutions. Advances in AI, regulatory frameworks, and retail innovations are driving its growth. The FAO notes that the market for food supplements and functional foods is expanding due to technological advancements, while studies like the PROTEIN project show tangible health benefits. Retail programs further democratize access, ensuring that personalized nutrition is not just for the elite but for everyone.

Challenges and Opportunities

• Challenges: Limited evidence for health claims, safety concerns with new ingredients, and the need for stronger regulations in some regions.
• Opportunities: AI-driven insights, scalable retail programs, and global collaboration to share scientific knowledge.

Summary

Personalized nutrition is poised to redefine health by tailoring diets to individual needs. Continued research and innovation will ensure its safety and efficacy.

• Key Points:
• Technological and regulatory advancements fuel market growth.
• Challenges include validating health claims and ensuring safety.
• Opportunities lie in AI, retail integration, and global knowledge-sharing.
• Personalized nutrition supports equitable health solutions.

Next Steps: How to Embrace Personalized Nutrition

To incorporate personalized nutrition into your life, consider these actionable steps:

1. Consult a Nutritionist: Work with a professional to set personalized dietary goals based on your health needs and preferences.
2. Use AI-Driven Apps: Explore apps like the PROTEIN app for tailored meal plans, ensuring they are backed by credible science.
3. Check Product Labels: Look for clear labeling on food supplements and functional foods to understand ingredients and dosages.
4. Leverage Retail Programs: If eligible, opt into programs like Walmart’s Everyday Health Signals for real-time nutrition guidance.
5. Stay Informed: Follow updates from trusted sources like the FAO to make science-based food choices.

By taking these steps, you can harness the power of personalized nutrition to support your health and well-being.