The best low-carb, high-protein foods have fewer than 10 grams of carbs and at least 15 grams of protein per serving. Eggs, chicken breast, Greek yogurt, fish, cottage cheese, and tofu lead the list. For people with diabetes or prediabetes, building meals around these foods may blunt post-meal glucose spikes and support weight management.
Why This Combination Helps Blood Sugar
Protein takes longer to digest than carbohydrates and triggers the release of hormones like GLP-1 and cholecystokinin that slow gastric emptying. Pairing protein with carbs flattens the glucose curve after eating for many people. Protein also has a high thermic effect (the body uses more calories to digest it) and promotes satiety, which may help with weight loss, a key lever for reversing prediabetes.
The American Diabetes Association recognizes low-carb eating patterns as evidence-based for type 2 diabetes management, noting they may improve A1C and reduce medication needs in some people.
30 Best Low-Carb, High-Protein Foods
Eggs and Dairy
| Food | Serving | Protein (g) | Carbs (g) |
|---|---|---|---|
| Large egg | 1 egg | 6 | 0.6 |
| Egg whites | 1 cup | 26 | 2 |
| Plain Greek yogurt, nonfat | 3/4 cup | 17 | 6 |
| Cottage cheese, low-fat | 1/2 cup | 14 | 4 |
| Cheddar cheese | 1 oz | 7 | 0.4 |
| String cheese | 1 stick | 6 | 1 |
| Ricotta, part-skim | 1/2 cup | 14 | 6 |
Poultry and Lean Meat
| Food | Serving | Protein (g) | Carbs (g) |
|---|---|---|---|
| Chicken breast, cooked | 3 oz | 26 | 0 |
| Ground turkey, 93% lean | 3 oz | 22 | 0 |
| Pork tenderloin | 3 oz | 22 | 0 |
| Deli turkey, low-sodium | 2 oz | 13 | 2 |
| Beef sirloin, lean | 3 oz | 26 | 0 |
| Bison | 3 oz | 24 | 0 |
Fish and Seafood
| Food | Serving | Protein (g) | Carbs (g) |
|---|---|---|---|
| Salmon, wild | 3 oz | 22 | 0 |
| Canned tuna in water | 3 oz | 20 | 0 |
| Shrimp, cooked | 3 oz | 20 | 0 |
| Cod | 3 oz | 19 | 0 |
| Sardines in water | 3 oz | 18 | 0 |
| Scallops | 3 oz | 17 | 4 |
Plant-Based
| Food | Serving | Protein (g) | Carbs (g) |
|---|---|---|---|
| Tofu, firm | 1/2 cup | 22 | 5 |
| Tempeh | 3 oz | 16 | 9 |
| Edamame, shelled | 1 cup | 18 | 14 |
| Seitan | 3 oz | 21 | 6 |
| Hemp seeds | 3 Tbsp | 10 | 3 |
| Nutritional yeast | 2 Tbsp | 8 | 5 |
Nuts, Seeds, and Extras
| Food | Serving | Protein (g) | Carbs (g) |
|---|---|---|---|
| Almonds | 1 oz (23 nuts) | 6 | 6 |
| Peanuts | 1 oz | 7 | 6 |
| Pumpkin seeds | 1 oz | 9 | 3 |
| Whey protein powder | 1 scoop | 24 | 3 |
| Pea protein powder | 1 scoop | 22 | 2 |
How to Build a Low-Carb, High-Protein Plate
A useful rule of thumb is the “Plate Method with a protein twist”: fill half your plate with non-starchy vegetables, one-quarter with a protein from the list above, and the remaining quarter with a small carb portion (fruit, legumes, whole grain, or starchy vegetable). Include a healthy fat like olive oil, avocado, or nuts.
For a typical adult, target 25 to 40 grams of protein per meal to optimize satiety and muscle protein synthesis. Spreading protein throughout the day is generally more effective than packing it into one meal.
Sample Meal Ideas
- Breakfast: 3-egg omelet with spinach, feta, and tomatoes; 1/2 cup berries.
- Lunch: 4 oz grilled chicken over mixed greens, cucumber, olives, and 1 Tbsp olive oil vinaigrette.
- Dinner: 4 oz baked salmon, roasted Brussels sprouts, 1/2 cup quinoa.
- Snack: 3/4 cup plain Greek yogurt with 1 Tbsp chia seeds and cinnamon.
- On the go: 2 hard-boiled eggs, 1 string cheese, 1 small apple.
For more breakfast, lunch, and dinner ideas, see our prediabetes diet hub.
Protein and Kidney Health
A common concern is whether high-protein diets harm the kidneys. In healthy adults, moderate to high protein intake does not appear to cause kidney disease. However, the National Kidney Foundation suggests that people with existing chronic kidney disease (CKD) may need to moderate protein intake based on their stage of disease.
If you have diabetes and reduced kidney function, work with a dietitian to balance protein for muscle preservation against kidney protection. This is especially important at CKD stages 3-5.
Best Protein Choices for Heart Health
The Dietary Guidelines and the ADA both suggest choosing lean and plant-based proteins most of the time. Specifically:
- More often: fish, poultry without skin, legumes, soy foods, low-fat dairy, eggs
- Less often: processed meats (bacon, sausage, deli meats), fried meats, full-fat dairy in large amounts
- Limit: red meat to no more than 12-18 oz cooked per week for most adults
What to Watch Out For
Some “high-protein” foods are less healthy than they appear:
- Protein bars: many contain 20-30 grams of carbs and significant added sugar or sugar alcohols.
- Flavored Greek yogurt: often 15-25 grams of added sugar per cup.
- Breaded chicken or fish: the breading adds 10-20 grams of carbs.
- Deli meats: can be very high in sodium (500+ mg per 2 oz).
- Nut butters: fine in moderation but easy to overeat; 2 Tbsp has 8 grams of carbs and 200 calories.
How Much Protein Per Day
The Recommended Dietary Allowance is 0.8 g/kg of body weight for healthy adults. For most adults with diabetes, 1.0 to 1.2 g/kg is a reasonable target unless kidney disease is present. For a 165-pound (75 kg) person, that’s roughly 75 to 90 grams of protein per day, or 25 to 30 grams at each of three meals.
Active adults and older adults trying to preserve muscle may benefit from 1.2 to 1.5 g/kg, distributed across meals.
The Bottom Line
Low-carb, high-protein foods such as eggs, poultry, fish, Greek yogurt, cottage cheese, tofu, and tempeh anchor many effective eating plans for blood sugar management. Building meals with 25 to 40 grams of protein, plenty of non-starchy vegetables, and a controlled carb portion may improve post-meal glucose and satiety. People with kidney disease or on certain medications should work with a dietitian to fine-tune protein targets.
