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Keto vegetables: compare carbs, forms, and portions

Direct answer: vegetables are not one keto answer. Many plain, non-starchy vegetable records have relatively little calculated net carbohydrate in their listed portions, while starchy vegetables and prepared versions can be materially different. Compare the exact food form and portion before adding it to a plan.

Start with the food form​

The word “vegetable” can hide the decision that matters. Raw, cooked, canned, frozen, drained, breaded, and sauced foods are separate records because water, added ingredients, and household measures can change the comparison. A cup of a raw leafy vegetable is not nutritionally interchangeable with a cup of a cooked root vegetable, even when both are described casually as vegetables.

The links below are useful starting points, not a ranked list of “good” and “bad” foods. Open an individual entry for the record’s portion, per-100 g values, preparation description, and source identifier.

Browse vegetable records by meal decision​

Small-screen view: this comparison table scrolls sideways. Swipe or drag it horizontally to see every column.

If you are comparing…Start with these recordsWhat to verify
Raw salad and crunchy vegetablesCabbage, green, raw, cucumber, raw, broccoli, rawThe household measure and any dressing, topping, or dip added later.
Cooked non-starchy sidesCauliflower, fresh, cooked, mushrooms, fresh, cooked, spinach, fresh, cookedWhether the record is raw or cooked, plus oil, sauce, and the amount actually served.
Canned or prepared vegetablesCarrots, canned, cooked, beets, canned, cooked, asparagus, canned, cookedSyrup, sauce, breading, drained weight, and sodium on the product in hand.
Starchy vegetablesCorn, canned, cooked, potato, canned, winter squash, rawThe listed portion and the rest of the meal’s carbohydrate budget; do not assume the category decides it.

Use the listed portion without mistaking it for a recommendation​

Every individual food page shows two views: USDA-reported nutrients per 100 g and a calculation for one listed household portion. The common portion makes records practical to compare, but it is not a prescribed serving size. Cooking can concentrate or dilute a food by changing water content, and a sauce or frying fat can describe a different food altogether.

On this site, calculated net carbs = total carbohydrate − dietary fiber, capped at zero. It is a transparent planning convention, not a separate USDA nutrient or a guarantee about ketosis. Read the net-carbs method before applying it to packaged foods, where labels, fiber rules, and sugar alcohol disclosures can differ.

Put vegetable choices into a meal context​

The database helps answer “what does this record contain?” It does not decide your carbohydrate target, energy needs, food preferences, medication plan, or how a vegetable fits with protein and fat in a meal. For the broader sequence, use the keto food list, then the grocery-shopping guide and meal-planning guide.

If you are comparing another part of the plate, continue to meat, poultry & eggs, seafood, or fats & condiments.

Complete vegetable record directory​

Browse all 101 selected USDA records in this vegetable group

Entries are grouped by food concept, then by the exact USDA food form. Open the record that matches the preparation and product you are comparing.

Alfalfa sprouts

Asparagus

Banana peppers

Bean sprouts

Beet greens

Beets

Broccoflower

Broccoli

Broccoli chinese

Broccoli raab

Brussels sprouts

Cactus

Carrots

Cauliflower

Celery

Chard

Chinese cabbage

Collards

Corn

Cress

Cucumber

Dandelion greens

Eggplant

Fennel bulb

Garlic

Green beans

Green cabbage

Green peas

Hot peppers

Jicama

Kale

Kohlrabi

Lima beans

Mushrooms

Mustard greens

Okra

Onions

Onions green

Peas and carrots

Plantain

Potato

Red cabbage

Rutabaga

Snowpeas

Spinach

Summer squash yellow

Sweet green peppers

Sweet potato

Sweet red peppers

Tomatoes

Turnip

Turnip greens

Watercress

Winter squash

Zucchini

Source and method​

These links lead to records selected from USDA FoodData Central’s Survey (FNDDS) release. The individual pages preserve the source food description, preparation, FoodData Central identifier, and the USDA portion weight used to calculate the listed-portion column. A current packaged product or restaurant dish may differ from the source record; use its label and recipe when that is the food you will eat.

  1. U.S. Department of Agriculture, Agricultural Research Service. FoodData Central Survey (FNDDS) 2021–2023, released October 31, 2024. FoodData Central documentation, dataset downloads

Article history

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