20 Low-GL Snacks That Won't Wreck Your Blood Sugar
The snacking problem
Snacking is where many otherwise solid meal plans fall apart. You eat a well-balanced lunch, blood sugar stays stable, and then at 3 PM you grab a granola bar (GL ~14), a banana (GL ~13), or a handful of dried fruit (GL ~15+). The spike undoes half the work of the meal that preceded it.
The goal with low-GL snacking is not to avoid food between meals — it is to choose snacks that hold you over without triggering a glucose response. Every option below has a GL under 10, and most are under 5. Keep a few of these stocked and you will never be stuck reaching for the vending machine.
Nuts and seeds
Almonds, 1 oz / 23 nuts (GL 0). High in magnesium, healthy fat, and protein. Arguably the single best snack for blood sugar management. Keep a bag at your desk.
Walnuts, 1 oz / 14 halves (GL 0). Higher in omega-3 fatty acids than most nuts. The slightly bitter flavour pairs well with a small piece of cheese.
Pumpkin seeds, 1 oz (GL 0). Rich in zinc and magnesium. Good on their own or sprinkled on yogurt. Look for roasted and lightly salted versions.
Macadamia nuts, 1 oz (GL 0). The highest fat content of any nut, which sounds alarming but is actually ideal for satiety. Very low carbohydrate content.
Sunflower seeds, 1 oz (GL 1). Affordable and filling. Buy in bulk and portion into small bags for the week.
Dairy and protein
String cheese, 1 stick (GL 0). Portable, portion-controlled, and six grams of protein per stick. A reliable desk-drawer snack.
Hard-boiled eggs, 2 (GL 0). Prep a batch on Sunday. Twelve grams of protein, zero carbs, travels well in a container.
Greek yogurt, plain, 3/4 cup (GL 3). Full-fat is more satisfying than non-fat. Skip the flavoured kinds — they can have 15+ grams of added sugar.
Cottage cheese, 1/2 cup (GL 2). High protein (14 grams per half cup) and pairs with both sweet toppings (berries) and savoury (everything bagel seasoning, cherry tomatoes).
Turkey or beef jerky, 1 oz (GL 1 to 3). Check the label — some brands add significant sugar in the marinade. Choose varieties with under 5 grams of sugar per serving.
Vegetables
Celery with peanut butter, 3 stalks + 2 tbsp (GL 1). The peanut butter provides fat and protein. Use natural peanut butter with no added sugar.
Cucumber slices with hummus, 1 cup + 2 tbsp (GL 3). The chickpeas in hummus have a low GI of 28, and cucumber is essentially water and fibre. A substantial snack that barely registers on the GL scale.
Cherry tomatoes with mozzarella, 1 cup + 1 oz (GL 1). A mini caprese without the bread. Drizzle with olive oil and a pinch of salt for the full effect.
Bell pepper strips with guacamole, 1 pepper + 2 tbsp (GL 2). Bell peppers have a GI of about 40 but contain so few carbs per serving that the GL is negligible. The avocado in guacamole adds healthy fat.
Edamame, shelled, 1/2 cup (GL 1). Buy frozen, microwave for 3 minutes, add salt. Nine grams of protein and plenty of fibre. One of the best plant-based snacks available.
Fruits (chosen carefully)
Apple slices with almond butter, 1 small apple + 1 tbsp (GL 5 to 6). The almond butter slows glucose absorption from the apple. A small apple has a GL of about 4 on its own. The nut butter barely adds to it while substantially improving satiety.
Strawberries, 1 cup (GL 1). One of the lowest-GL fruits available. High in vitamin C. Dip in a small amount of dark chocolate if you want a treat that stays under GL 3.
Blueberries, 1/2 cup (GL 3). Higher in antioxidants than most fruits and low enough in GL to eat freely. Good on their own or mixed into yogurt.
Other
Dark chocolate, 85%+ cacao, 1 oz (GL 2 to 3). The higher the cacao percentage, the lower the sugar. At 85% or above, a square or two has minimal glycemic impact and provides magnesium and antioxidants. Milk chocolate, by contrast, has a GL of about 9 per ounce.
Olives, 10 medium (GL 0). Mostly fat with virtually no carbohydrate. Kalamata, Castelvetrano, or basic black olives all work. Pair with cheese for a Mediterranean-inspired snack plate with a GL near zero.
Snack combinations that work
The most satisfying snacks combine two or three elements. Here are a few pairings that stay under GL 5:
Almonds + string cheese + a few olives (GL ~0)
Greek yogurt + blueberries + pumpkin seeds (GL ~5)
Hard-boiled egg + cherry tomatoes + a few slices of avocado (GL ~1)
Cottage cheese + strawberries + a sprinkle of cinnamon (GL ~3)
Celery + peanut butter + a square of dark chocolate (GL ~3)
Keep a short list of your favourites and stock the ingredients weekly. The best snack for blood sugar management is the one you actually have on hand when hunger hits.