For blood sugar after a meal, yes. In small controlled trials, eating the vegetables and protein on a plate before the bread, rice or potatoes lowered the after-meal rise in blood glucose by roughly a third to nearly three quarters, with the same food in the same amounts. The evidence is real but narrow: the studies are small, mostly short, and mostly in people with type 2 diabetes or prediabetes.
The idea has a name, meal sequencing or food sequencing, and it got a fresh round of attention on September 19, 2026, when Prevention published Chloe Joe's explainer on why the order you eat your food matters. Dietitians at Mount Sinai Health System and University of Michigan Health describe the pattern there and, usefully, the people who should be careful with it. Below is what the underlying trials actually measured, in one table, along with what they did not.
What "food order" means
The pattern is simple. Within a single meal, eat the vegetables first, the protein and fat next, and the starches and sugars last. Nothing is removed from the plate and nothing is added. In the trials, the gap between the first course and the carbohydrate was usually 10 to 15 minutes.
| Order | What goes here | Why it is placed there |
|---|---|---|
| 1. First | Non-starchy vegetables: salad, broccoli, greens, a vegetable side | Fiber slows how quickly food leaves the stomach and how fast carbohydrate is absorbed |
| 2. Next | Protein and fat: chicken, fish, eggs, tofu, meat, cheese | Protein and fat stimulate gut hormones, including GLP-1, and slow stomach emptying |
| 3. Last | Starches and sugars: bread, rice, pasta, potatoes, fruit juice, dessert | By the time they arrive, digestion is already slowed |
What the trials found
The trials below come from two groups: Alpana Shukla and Louis Aronne at Weill Cornell Medicine in New York, and Imai and colleagues in Japan. Each trial compared the same meal eaten in different orders, so every participant served as their own control.
| Study | Who was tested | People | Design | Main result |
|---|---|---|---|---|
| Shukla, Diabetes Care, 2015 | Adults with type 2 diabetes on metformin, overweight or obese | 11 | Same 628 calorie meal on two days, a week apart. Bread and orange juice eaten 15 minutes before or after chicken and vegetables | Glucose area under the curve over 2 hours 73% lower with carbohydrate last. Glucose at 60 minutes 37% lower. Insulin area 49% lower |
| Shukla, BMJ Open Diabetes Research & Care, 2017 | Adults with type 2 diabetes | 16 | Same meal on three days in random order: carbohydrate first, carbohydrate last, or everything together | Glucose area over 3 hours 53% lower with carbohydrate last than first, and 44% lower than eating everything together. GLP-1 higher |
| Shukla, Diabetes, Obesity and Metabolism, 2019 | Adults with prediabetes | 15 | Three orders: carbohydrate first; protein and vegetables first; vegetables first, then protein and carbohydrate | Glucose peaks more than 40% lower in both vegetable-led orders. Glucose area 38.8% lower with protein and vegetables first |
| Imai, Diabetic Medicine, 2013 | Japanese adults with type 2 diabetes, and adults with normal glucose tolerance | 19 and 21 | 72 hours of continuous glucose monitoring. Vegetables eaten for 5 minutes, then the main dish, then rice or bread 10 minutes after the vegetables, versus the reverse | Average glucose peak after meals 46% lower in type 2 diabetes and 38% lower with normal glucose tolerance. Average glucose across the whole day did not differ |
| Imai, Journal of Clinical Biochemistry and Nutrition, 2014 | Japanese adults with type 2 diabetes | Review of the group's own studies | Summarises the short trials plus a 2.5 year program teaching patients to eat vegetables before carbohydrates | Improvement in glycemic control reported over 2.5 years |
Two numbers in that table deserve a closer look. The 2013 Imai study is the only one that included people without diabetes, and the effect held for them too, at a smaller size. It is also the study that measured the whole day, and it found that the average glucose level did not change in either group. What changed was the size of the swings after meals. The accurate summary is that food order smooths the peaks after eating; in that study it did not lower the day's average.
Why it might work
The researchers propose two mechanisms that work in parallel.
| Mechanism | What happens | Evidence |
|---|---|---|
| Fiber first | Fiber in the vegetables slows digestion, so carbohydrate eaten afterwards is absorbed more slowly and needs less insulin | Imai 2013 attributes part of the effect to the fiber in the first course. The Kubota 2020 review finds fiber before carbohydrate reduces the glucose rise |
| Protein and fat first | Protein and fat trigger GLP-1 and other gut hormones and slow the rate at which the stomach empties | GLP-1 was higher when carbohydrate came last in Shukla 2017. The Kubota 2020 review describes the gastric-emptying effect |
The Kubota review adds a detail most summaries skip. Fiber eaten first lowers the glucose rise without raising GLP-1, while a protein-first course raises it. The authors suggest the two may be additive, which is one argument for starting with vegetables and following with protein. They also flag that a first course heavy in saturated fat, such as a meat dish, raises a second hormone, GIP, that promotes energy storage in fat tissue and may lead to weight gain over the long term.
What the evidence does not show
These limits come from the studies themselves, and they matter for how far the advice can be taken.
| Limit | What it means in practice |
|---|---|
| Small samples, 11 to 40 people per study | The direction is consistent across groups, but the exact percentages are imprecise |
| Mostly single meals, measured for 2 to 3 hours | Short-term glucose response, not long-term health |
| Mostly type 2 diabetes and prediabetes | The one test in people without diabetes found smaller peaks and an unchanged daily average |
| No hard outcomes | No study here measured heart disease, weight or diabetes onset |
| Solid vegetables, eaten at a table | The trials used salads and cooked vegetables. Drinks, snacks and other formats have not been tested in this role |
The Prevention piece makes a related point through its experts: sequencing is best used as a complement to other steps for managing blood sugar, and eating carbohydrates last does not cancel out a very large portion of refined carbohydrate.
Who should be careful
The strategy works partly by slowing digestion, and that is exactly why it does not suit everyone. The cautions below come from the University of Michigan dietitian quoted by Prevention.
- Gastroparesis. For people whose stomach already empties slowly, sequencing can make fullness, bloating and nausea worse. For people with diabetic gastroparesis who take mealtime insulin, it may raise the risk of a dangerous low after eating.
- GLP-1 medications. Drugs such as semaglutide and tirzepatide already slow stomach emptying, and sequencing can add to that and worsen side effects. For how vegetables fit on those medications more broadly, see is SaladPower good for people on GLP-1 medications.
- Anyone managing diabetes with medication. A change that moves glucose after meals can interact with doses. Raise it with your clinician or a registered dietitian first.
How to try it at an ordinary meal
No special food is required. The change is in the order and a short pause.
| Meal | Eat first | Then | Last |
|---|---|---|---|
| Lunch sandwich | A side salad or raw vegetables | The filling, if the sandwich comes apart easily | The bread |
| Pasta dinner | A green salad or roasted vegetables | The meatballs, chicken or beans | The pasta |
| Rice bowl | The vegetables in the bowl | The fish, tofu or egg | The rice |
| Restaurant meal | The vegetable starter or side | The main protein | The bread basket and dessert |
Two practical points from the trials. The gap was 10 to 15 minutes, which is about how long it takes to eat a salad at an unhurried pace. And the order only helps if the vegetables are actually there, which is the step most meals skip. Fiber is the working part of the first course; if you want to raise it across the day, see how much fiber you need a day, and for the type of fiber that slows digestion most, soluble vs. insoluble fiber.
Where SaladPower fits
Every trial above used solid vegetables eaten before the rest of the meal. SaladPower has not been tested as a first course, so we make no claim that drinking a pouch before eating changes blood sugar.
What we can say is simpler. The strategy depends on vegetables being part of the meal in the first place, and for most people that is the real obstacle. One 8 oz pouch is six whole organic ingredients, spinach, kale, carrot, broccoli, apple and lemon, and delivers 2x the USDA daily recommended vegetable intake. It carries 5 grams of fiber, 18 percent of the Daily Value, with no added sugar, in a pack that is commercially processed, sealed and shelf-stable. For anyone counting carbohydrates, the panel lists 21 grams of total carbohydrate, including 11 grams of naturally occurring sugar from the whole ingredients; added sugar vs. total sugar explains how the label counts those.
For how the way vegetables are prepared changes what you get from them, see do you have to eat vegetables raw to get the nutrients.
Frequently asked questions
Does eating vegetables first lower blood sugar?
In small controlled trials, eating vegetables and protein before carbohydrates in the same meal lowered the rise in blood glucose after the meal by roughly a third to nearly three quarters, depending on the study and the measure. Most participants had type 2 diabetes or prediabetes, and the studies measured single meals over two to three hours.
How long should I wait between vegetables and carbs?
The trials used a gap of 10 to 15 minutes between the first course and the carbohydrate. In the Imai study, participants ate vegetables for 5 minutes, then the main dish, and started the rice or bread 10 minutes after the vegetables.
Does food order matter if I do not have diabetes?
The one study that included adults with normal glucose tolerance found post-meal glucose peaks were 38 percent lower with vegetables first, a smaller effect than in type 2 diabetes. Average glucose across the day did not change. There is no evidence yet on long-term health outcomes in people without diabetes.
Should I eat vegetables or protein first?
In the 2019 prediabetes trial, both a vegetables-first order and a protein-and-vegetables-first order reduced glucose peaks by more than 40 percent compared with eating carbohydrate first. A 2020 review suggests fiber and protein work through different mechanisms and may add together, which supports starting with vegetables and following with protein.
Is food sequencing safe on a GLP-1 medication?
Be cautious and ask your prescriber. GLP-1 medications already slow stomach emptying, and dietitians warn that sequencing can add to that effect and worsen side effects. People with gastroparesis, especially those on mealtime insulin, should also check with their clinician first.
Sources
- Joe C. "Yes, It Matters What Order You Eat Your Food In." Prevention, September 19, 2026. Read the original article.
- Shukla AP, Iliescu RG, Thomas CE, Aronne LJ. "Food Order Has a Significant Impact on Postprandial Glucose and Insulin Levels." Diabetes Care. 2015;38(7):e98-e99. doi:10.2337/dc15-0429.
- Shukla AP, Andono J, Touhamy SH, et al. "Carbohydrate-last meal pattern lowers postprandial glucose and insulin excursions in type 2 diabetes." BMJ Open Diabetes Research & Care. 2017;5(1):e000440. doi:10.1136/bmjdrc-2017-000440.
- Shukla AP, Dickison M, Coughlin N, et al. "The impact of food order on postprandial glycaemic excursions in prediabetes." Diabetes, Obesity and Metabolism. 2019;21(2):377-381. doi:10.1111/dom.13503.
- Imai S, Fukui M, Ozasa N, et al. "Eating vegetables before carbohydrates improves postprandial glucose excursions." Diabetic Medicine. 2013;30(3):370-372. doi:10.1111/dme.12073.
- Imai S, Fukui M, Kajiyama S. "Effect of eating vegetables before carbohydrates on glucose excursions in patients with type 2 diabetes." Journal of Clinical Biochemistry and Nutrition. 2014;54(1):7-11. doi:10.3164/jcbn.13-67.
- Kubota S, Liu Y, Iizuka K, et al. "A Review of Recent Findings on Meal Sequence: An Attractive Dietary Approach to Prevention and Management of Type 2 Diabetes." Nutrients. 2020;12(9):2502. doi:10.3390/nu12092502.
- SaladPower Nutrition Facts panel, 8 oz pouch.
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