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Foods to Avoid With Diabetes (Especially When Blood Sugar Is High)
These foods are rated unsafe at the poorly-controlled level — they tend to drive a rapid, pronounced rise in glucose. That does not always mean "never", but they call for real caution, smaller portions or a better-controlled starting point. Where the source flags a food as not recommended in any amount, we say so plainly.
Introduction Matching Foods Why This Matters Related Topics & Categories
Introduction
These foods are rated unsafe at the poorly-controlled level — they tend to drive a rapid, pronounced rise in glucose. That does not always mean "never", but they call for real caution, smaller portions or a better-controlled starting point. Where the source flags a food as not recommended in any amount, we say so plainly.
Matching Foods
857 foods currently match this topic, sorted to help you scan quickly.
Food Category Carbs / 100 g Safety Portion (well-controlled)
Fresh Thin fries (medium) Grains & Starches 32 g Use caution about 78 g Fresh Thin fries (small) Grains & Starches 32 g Needs care about 78 g Fresh Thin fries (upsize) Grains & Starches 32 g Use caution about 78 g Fried calamari (breaded) Meat, Poultry & Fish 14 g Lower impact about 180 g Fried kibbeh Meat, Poultry & Fish 8.9 g Lower impact about 250 g Frosted Flakes Cereal, Frosted Flakes (MOM Brands Company) Grains & Starches 90.9 g Needs care about 28 g Frosted Flakes Cereal, Frosted Flakes (Post Consumer Brands, LLC) Grains & Starches 90.2 g Needs care about 28 g Frosted Flakes Cereal, Frosted Flakes (Topco Associates, Inc.) Grains & Starches 90 g Needs care about 28 g Frosted Flakes Sugar Frosted Flakes Cereal, Frosted Flakes (Freedom's Choice) Grains & Starches 82.5 g Needs care about 30 g Frosted Flakes, Corn Cereal (Kellogg's) Grains & Starches 89.7 g Needs care about 28 g Frostings, cream cheese-flavor, ready-to-eat Eggs, Milk & Dairy 67.3 g Lower impact about 33 g Frozen Curly fries (large) Grains & Starches 40 g Use caution about 63 g Frozen Curly fries (medium) Grains & Starches 40 g Use caution about 63 g Frozen Curly fries (small) Grains & Starches 40 g Needs care about 63 g Frozen Curly fries (upsize) Grains & Starches 40 g Use caution about 63 g Frozen French fries (large) Grains & Starches 36 g Use caution about 69 g Frozen French fries (medium) Grains & Starches 36 g Use caution about 69 g Frozen French fries (small) Grains & Starches 36 g Needs care about 69 g Frozen French fries (upsize) Grains & Starches 36 g Use caution about 69 g Frozen fries (large) Grains & Starches 36 g Use caution about 69 g Frozen fries (medium) Grains & Starches 36 g Use caution about 69 g Frozen fries (small) Grains & Starches 36 g Needs care about 69 g Frozen fries (upsize) Grains & Starches 36 g Use caution about 69 g Frozen Meal Pasta Primavera (Lean Cuisine) Grains & Starches 12.3 g Needs care about 244 g Frozen novelties, juice type, orange Beverages 23.2 g Use caution about 86 g Frozen Pizza - Frozen Supreme Pizza - Hand Tossed Style Pizza Crust (Digiorno) Grains & Starches 25.8 g Needs care about 116 g Frozen Pizza - Three Meat Pizza - Hand Tossed Style Pizza Crust (Digiorno) Grains & Starches 26.9 g Needs care about 112 g Frozen Pizza UltraTHCRLoadedVegLvrsPza14x (Digiorno) Grains & Starches 18.2 g Lower impact about 132 g Frozen Potato wedges (large) Grains & Starches 38 g Use caution about 66 g Frozen Potato wedges (medium) Grains & Starches 38 g Use caution about 66 g Frozen Potato wedges (small) Grains & Starches 38 g Needs care about 66 g Frozen Potato wedges (upsize) Grains & Starches 38 g Use caution about 66 g Frozen Steak fries (large) Grains & Starches 34 g Use caution about 88 g Frozen Steak fries (medium) Grains & Starches 34 g Use caution about 88 g Frozen Steak fries (small) Grains & Starches 34 g Needs care about 88 g Frozen Steak fries (upsize) Grains & Starches 34 g Use caution about 88 g Frozen thin fries (10 sticks) Grains & Starches 36 g Lower impact about 60 g Frozen thin fries (20 sticks) Grains & Starches 36 g Use caution about 69 g Frozen Thin fries (large) Grains & Starches 36 g Use caution about 69 g Frozen Thin fries (medium) Grains & Starches 36 g Use caution about 69 g Frozen Thin fries (small) Grains & Starches 36 g Needs care about 69 g Frozen Thin fries (upsize) Grains & Starches 36 g Use caution about 69 g Fruit & Nut Bar (Kind) Sweets & Sweeteners 57.5 g Lower impact about 40 g Fruit juice smoothie, bolthouse farms, berry boost Beverages 10.9 g Needs care about 183 g Fruit juice smoothie, bolthouse farms, green goodness Beverages 13 g Needs care about 154 g Fruit juice smoothie, naked juice, green machine Beverages 12.5 g Use caution about 160 g Fruit juice smoothie, naked juice, mighty mango Beverages 15 g Use caution about 133 g Fruit juice smoothie, odwalla, original superfood Beverages 11.5 g Needs care about 174 g Fruit juice smoothie, odwalla, strawberry banana Beverages 11.1 g Needs care about 180 g Fruit sorbet Sweets & Sweeteners 28 g Lower impact about 70 g
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Why This Matters
After a meal, carbohydrate is broken down to glucose and absorbed into the blood; insulin then helps move it into cells. Foods that release glucose slowly produce a smaller, steadier rise. HbA1c reflects your average blood sugar over roughly the past three months. It is the anchor for the three control levels used throughout this site.
Turn food decisions into confident ones with Flona
Flona is your daily companion for insulin decisions — basal, rapid-acting, mixed or meal-based — and for estimating carbs at a glance. It is guidance to support you day to day, not a replacement for advice from your physician or diabetes care team.
Medical disclaimer: This article is for general education and is not medical advice. Ratings and portions are estimates derived from nutritional composition, not measurements of your own glucose response; individual responses vary. If you take insulin, confirm carbohydrate amounts against a nutrition label before dosing. Always follow the guidance of your own physician or diabetes care team.
How these ratings are produced: our safety estimate is derived from each food's nutritional composition — carbohydrate content, fibre, food category and physical form (liquid or solid) — combined with established diabetes nutrition principles and a realistic serving size. They are estimates for planning, not measurements of your own response and not a prescription. Individual responses vary considerably, so always follow your own clinician's advice.
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