Best Protein Sources for Diabetics

This page curates 100 foods relevant to best protein sources for diabetics. Of these, 100 are in the diabetes-friendly range (GL ≤10). The remaining have moderate or higher GL — we show all of them so you can make informed comparisons.
🟢 Vitasoy USA Organic Nasoya Low GL · GL 0.1/100g · Tier 3
🟢 Vitasoy USA Azumaya Low GL · GL 0.1/100g · Tier 3
🟢 Tofu Low GL · GL 0.1/100g · Tier 3
🟢 Tofu Low GL · GL 0.2/100g · Tier 3
🟢 Vitasoy USA Azumaya Low GL · GL 0.2/100g · Tier 3
🟢 Vitasoy USA Low GL · GL 0.3/100g · Tier 3
🟢 Vitasoy USA Organic Nasoya Low GL · GL 0.3/100g · Tier 3
🟢 Vitasoy USA Low GL · GL 0.3/100g · Tier 3
🟢 Tofu Low GL · GL 0.4/100g · Tier 3
🟢 MORI-NU Low GL · GL 0.4/100g · Tier 3
🟢 MORI-NU Low GL · GL 0.4/100g · Tier 3
🟢 Vitasoy USA Low GL · GL 0.4/100g · Tier 3
🟢 Vitasoy USA Organic Nasoya Low GL · GL 0.4/100g · Tier 3
🟢 Vitasoy USA Organic Nasoya Sprouted Low GL · GL 0.4/100g · Tier 3
🟢 Vitasoy USA Azumaya Low GL · GL 0.4/100g · Tier 3
🟢 Vitasoy USA Low GL · GL 0.5/100g · Tier 3
🟢 HOUSE FOODS Premium Soft Tofu Low GL · GL 0.5/100g · Tier 3
🟢 Soymilk (all flavors) Low GL · GL 0.5/100g · Tier 3
🟢 SILK Unsweetened Low GL · GL 0.5/100g · Tier 3
🟢 Tofu Low GL · GL 0.6/100g · Tier 3
🟢 Vitasoy USA Low GL · GL 0.6/100g · Tier 3
🟢 MORI-NU Low GL · GL 0.7/100g · Tier 3
🟢 Tofu Low GL · GL 0.8/100g · Tier 3
🟢 MORI-NU Low GL · GL 0.9/100g · Tier 3
🟢 Soybeans Low GL · GL 0.9/100g · Tier 3
🟢 Soybeans Low GL · GL 0.9/100g · Tier 3
🟢 Beans Low GL · GL 1/100g · Tier 3
🟢 Soy protein isolate Low GL · GL 1/100g · Tier 3
🟢 Vegetarian fillets Low GL · GL 1.1/100g · Tier 3
🟢 Bacon Low GL · GL 1.1/100g · Tier 3
🟢 Tofu Low GL · GL 1.1/100g · Tier 3
🟢 SILK Light Plain Low GL · GL 1.1/100g · Tier 3
🟢 MORI-NU Low GL · GL 1.1/100g · Tier 3
🟢 SILK Plain Low GL · GL 1.1/100g · Tier 3
🟢 SILK Plus Omega-3 DHA Low GL · GL 1.1/100g · Tier 3
🟢 Soymilk (All flavors) Low GL · GL 1.2/100g · Tier 3
🟢 Soymilk Low GL · GL 1.2/100g · Tier 3
🟢 Luncheon slices Low GL · GL 1.3/100g · Tier 3
🟢 Meatballs Low GL · GL 1.3/100g · Tier 3
🟢 Vegetarian meatloaf or patties Low GL · GL 1.3/100g · Tier 3
🟢 Soymilk Low GL · GL 1.3/100g · Tier 3
🟢 SILK Light Vanilla Low GL · GL 1.4/100g · Tier 3
🟢 SILK Vanilla Low GL · GL 1.4/100g · Tier 3
🟢 SILK Plus for Bone Health Low GL · GL 1.4/100g · Tier 3
🟢 SILK Plus Fiber Low GL · GL 1.4/100g · Tier 3
🟢 Frankfurter Low GL · GL 1.5/100g · Tier 3
🟢 Tofu Low GL · GL 1.5/100g · Tier 3
🟢 Soymilk (all flavors) Low GL · GL 1.5/100g · Tier 3
🟢 Chicken Low GL · GL 1.6/100g · Tier 3
🟢 Soy sauce made from soy and wheat (shoyu) Low GL · GL 1.6/100g · Tier 3
🟢 Vitasoy USA Low GL · GL 1.6/100g · Tier 3
🟢 Vitasoy USA Low GL · GL 1.6/100g · Tier 3
🟢 Vitasoy USA Low GL · GL 1.6/100g · Tier 3
🟢 Tofu Low GL · GL 1.7/100g · Tier 3
🟢 Soymilk Low GL · GL 1.8/100g · Tier 3
🟢 Tofu Low GL · GL 1.9/100g · Tier 3
🟢 Soy sauce made from soy and wheat (shoyu) Low GL · GL 1.9/100g · Tier 3
🟢 Soy sauce made from soy (tamari) Low GL · GL 1.9/100g · Tier 3
🟢 Tofu Low GL · GL 1.9/100g · Tier 3
🟢 Tofu Low GL · GL 2/100g · Tier 3
🟢 Sausage Low GL · GL 2.1/100g · Tier 3
🟢 Sandwich spread Low GL · GL 2.2/100g · Tier 3
🟢 Soymilk Low GL · GL 2.2/100g · Tier 3
🟢 Peanuts Low GL · GL 2.3/100g · Tier 3
🟢 Peanuts Low GL · GL 2.3/100g · Tier 3
🟢 Peanut spread Low GL · GL 2.5/100g · Tier 3
🟢 Soymilk (All flavors) Low GL · GL 2.5/100g · Tier 3
🟢 Lupins Low GL · GL 2.5/100g · Tier 3
🟢 Peanuts Low GL · GL 2.5/100g · Tier 3
🟢 SILK Original Creamer Low GL · GL 2.6/100g · Tier 3
🟢 Soybean Low GL · GL 2.7/100g · Tier 3
🟢 Lupins Low GL · GL 2.7/100g · Tier 3
🟢 Natto Low GL · GL 2.8/100g · Tier 3
🟢 Soy sauce made from hydrolyzed vegetable protein Low GL · GL 2.8/100g · Tier 3
🟢 Tofu Low GL · GL 2.8/100g · Tier 3
🟢 Peanuts Low GL · GL 2.9/100g · Tier 3
🟢 Soymilk Low GL · GL 2.9/100g · Tier 3
🟢 SILK Very Vanilla Low GL · GL 2.9/100g · Tier 3
🟢 Peanuts Low GL · GL 2.9/100g · Tier 3
🟢 Peanuts Low GL · GL 3/100g · Tier 3
🟢 Tempeh Low GL · GL 3/100g · Tier 3
🟢 SILK Chai Low GL · GL 3/100g · Tier 3
🟢 Tempeh Low GL · GL 3/100g · Tier 3
🟢 Peanuts Low GL · GL 3.1/100g · Tier 3
🟢 SILK Light Chocolate Low GL · GL 3.2/100g · Tier 3
🟢 Soymilk Low GL · GL 3.2/100g · Tier 3
🟢 Peanuts Low GL · GL 3.3/100g · Tier 3
🟢 Peanuts Low GL · GL 3.3/100g · Tier 3
🟢 Beans Low GL · GL 3.3/100g · Tier 3
🟢 Refried beans Low GL · GL 3.4/100g · Tier 3
🟢 Beans Low GL · GL 3.4/100g · Tier 3
🟢 Broadbeans (fava beans) Low GL · GL 3.4/100g · Tier 3
🟢 SILK Chocolate Low GL · GL 3.4/100g · Tier 3
🟢 Refried beans Low GL · GL 3.4/100g · Tier 3
🟢 SILK Mocha Low GL · GL 3.5/100g · Tier 3
🟢 Chickpeas (garbanzo beans Low GL · GL 3.5/100g · Tier 3
🟢 Chickpeas (garbanzo beans Low GL · GL 3.5/100g · Tier 3
🟢 Veggie burgers or soyburgers Low GL · GL 3.6/100g · Tier 3
🟢 SILK Plain soy yogurt Low GL · GL 3.6/100g · Tier 3
🟢 Hummus Low GL · GL 3.7/100g · Tier 3

Quick Answers

What makes a food qualify for this list?

Prioritize foods with both low glycemic load and higher fiber. The 100 diabetes-friendly foods here average a GL of 2 — start with those. Use the individual food pages to compare serving sizes and find which ones best fit your meal plan.

Does portion size really make that much difference?

Pairing is as important as portioning. Adding protein and fiber to any meal with these foods slows gastric emptying and creates a smoother glucose curve. The difference between eating a food alone versus as part of a balanced meal can be 20-40% in peak blood glucose.

Are there even better options outside this list?

Yes — and you can find them by clicking any food and checking the Better Alternatives section on its page. That section shows 4 other foods in the same category with lower glycemic loads. It is one click away from every food on this list.

Can cooking method change the glycemic impact?

Cooking method can matter, particularly for grains and starchy vegetables. Cooling and reheating increases resistant starch (lowers effective GI). Al dente cooking leaves more intact starch structure. Overcooking or pureeing breaks down fiber and increases the glycemic response.

Dietary reference — not medical advice. Information provided for educational purposes. Individual glycemic responses vary. Consult your healthcare provider for personalized guidance.