Does this mean the Mediterranean diet is no longer recommended for diabetes?

No. The Mediterranean diet remains one of the top dietary approaches recommended by the American Diabetes Association and is well-supported by decades of research. This Israeli study suggests that personalized diets built around your individual glucose responses may deliver even better results, particularly for newly diagnosed patients — but the Mediterranean diet is still an excellent, proven foundation for healthy eating with T2D.

Is AI-personalized diet planning available to patients in the United States?

Personalized nutrition programs informed by CGM data and metabolic profiling are becoming increasingly available in the US. While the specific algorithm used in the Weizmann Institute study is not yet a standard clinical tool, programs that combine continuous glucose monitoring with personalized dietary coaching — like those offered through MDS Diabetes — reflect the same underlying principle: using your real-time glucose data to guide smarter food choices.

What does a 0.39% drop in HbA1c actually mean for a newly diagnosed T2D patient?

HbA1c measures your average blood sugar over roughly 3 months. For a newly diagnosed T2D patient, a 0.39% reduction is clinically meaningful — it moves patients measurably closer to the ADA's general goal of below 7.0%, and in this study helped 61% of participants drop below 6.5%, the threshold for diabetes remission. Even small HbA1c reductions lower the long-term risk of complications like kidney disease, nerve damage, and vision loss.

Israel AI Diet Study: 61% T2D Remission Rate | MDS Diabetes

Q: How is a personalized postprandial-targeting (PPT) diet different from the Mediterranean diet?

The Mediterranean diet is a well-studied, evidence-based eating plan recommended broadly for T2D patients. A PPT diet goes a step further — it uses a machine learning algorithm that analyzes your personal clinical data and gut microbiome to predict exactly how your blood sugar will respond to specific foods, then builds a meal plan tailored specifically to your biology. The Israeli study found this personalized approach produced significantly better blood sugar control than the Mediterranean diet alone.

Key takeaways

✓AI-personalized diets reduced daily time above 140 mg/dL by 2.42 hours compared to the Mediterranean diet
✓61% of participants achieved diabetes remission (HbA1c below 6.5%) after 6 months on the personalized diet
✓Triglycerides dropped by 49 mg/dL, offering significant cardiovascular benefit beyond blood sugar control

Quick specs

Country	Israel
Journal	BMC medicine
Year	2022
Authors	Rein, Ben-Yacov, Godneva
PMID	35135549

A Study from Israel Shows AI-Powered Personalized Nutrition May Outperform Standard Dietary Guidelines for New T2D Patients

A study from Israel, conducted by researchers at the prestigious Weizmann Institute of Science, offers a fascinating glimpse into the future of diabetes management — one where your diet is designed not by general guidelines, but by an algorithm that learns how your body responds to food. For the roughly 1.5 million Americans newly diagnosed with type 2 diabetes (T2D) each year, this research could signal a major shift in how doctors approach dietary treatment.

What the Researchers Did

Scientists enrolled 23 adults recently diagnosed with T2D (average age 53.5 years) in a randomized crossover trial. Each participant tried two different 2-week diets in sequence: a Personalized Postprandial-Targeting (PPT) diet — built by a machine learning algorithm using each person's clinical data and gut microbiome profile — and the widely recommended Mediterranean-style (MED) diet. All participants wore continuous glucose monitors (CGM) throughout the trial and logged meals via smartphone. Sixteen participants then continued the PPT diet for an additional 6 months.

Key Findings: The Numbers

The AI-personalized diet produced significantly better blood sugar outcomes than the Mediterranean diet:

Average post-meal glucose spike was 19.8 mg/dL lower per hour on the PPT diet (p<0.001)
Average daily glucose was 7.8 mg/dL lower on the PPT diet (p<0.001)
Participants spent 2.42 fewer hours per day with glucose above 140 mg/dL — a key threshold American diabetes guidelines flag as a post-meal danger zone
Blood fructosamine (a short-term glucose marker similar to A1C) dropped significantly more on the PPT diet

After 6 months on the PPT diet, the improvements deepened:

HbA1c dropped by 0.39% — meaningful progress toward the American Diabetes Association's (ADA) target of below 7.0% for most T2D patients
Fasting glucose fell by 16.4 mg/dL (from a baseline already in the diabetic range)
Triglycerides dropped by 49 mg/dL — a heart health bonus, since the ADA recommends triglycerides below 150 mg/dL
Remarkably, 61% of participants achieved diabetes remission, defined as HbA1c below 6.5% without medication

The Gut Microbiome Connection

Notably, some of the clinical improvements were linked to individual changes in gut microbiome composition, reinforcing why a one-size-fits-all diet may not work for everyone — even a diet as well-studied as the Mediterranean plan.

Why This Matters for US Patients

In the United States, the ADA currently recommends Mediterranean, low-carb, and DASH-style diets as top dietary approaches for T2D management. This Israeli research doesn't invalidate those recommendations — but it does suggest that personalization may dramatically improve outcomes, especially for the newly diagnosed. The 61% remission rate in this pilot trial is striking compared to typical remission rates seen in standard dietary interventions. Additionally, CGM technology — central to this study — is becoming increasingly accessible to American patients through programs like MDS Diabetes, making this approach more realistic than ever. While this was a small pilot trial and larger studies are needed, the science of matching your diet to your biology is moving fast, and US patients should ask their providers about personalized nutrition options.

Study Citation

Rein, Ben-Yacov, Godneva, et al. "Effects of personalized diets by prediction of glycemic responses on glycemic control and metabolic health in newly diagnosed T2DM: a randomized dietary intervention pilot trial." BMC Medicine (2022). PMID: 35135549. DOI: 10.1186/s12916-022-02254-y. ClinicalTrials.gov: NCT01892956.

References & Sources

Frequently asked questions

The Mediterranean diet is a well-studied, evidence-based eating plan recommended broadly for T2D patients. A PPT diet goes a step further — it uses a machine learning algorithm that analyzes your personal clinical data and gut microbiome to predict exactly how your blood sugar will respond to specific foods, then builds a meal plan tailored specifically to your biology. The Israeli study found this personalized approach produced significantly better blood sugar control than the Mediterranean diet alone.

Editorial note

This article is for educational purposes only and does not constitute medical advice. Always consult your healthcare provider before making changes to your diabetes management. Last reviewed: July 12, 2026 by the MDS Diabetes editorial team.

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Israel Study: AI-Personalized Diets Beat Mediterranean Diet for T2D