Low-Carb Vegetables

Traditional people consumed a very wide variety of vegetables including high-starch roots and tubers.  Many cultured remained healthy on this diet generation after generation.  However modern people now have metabolic conditions that may be improved by decreasing insulin and blood sugar.  Low-carb and ketogenic diets play an important role in the treatment of certain conditions.

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For those following this way of eating it may be necessary to limit or avoid vegetables if they spike insulin or blood sugar in that individual.  In general vegetables that grow above ground are lower in carbs than those that grow below ground.  We recommend organic vegetables when ever possible and always consuming vegetables with fat.

Vegetables are most nutritious when served with a fat or oil, such as salad with homemade olive oil dressing, cooked vegetables with butter or soup with cream. The nutrients in fruits and vegetables are much more available when they are eaten with good fats.

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And see our page on Vegetables & Fruits


Above Ground Vegetables

These above ground vegetables are very low in carbohydrates and can be consumed fairly freely on a keto diet:

Leafy greens, asparagus, cucumber, cabbage cauliflower, green beans, avocado, olives, tomato, peppers (red, yellow and green), eggplant, zucchini, kale, Brussels sprouts, broccoli and celery.

Above Ground Vegetables from the Diet Doctor (grams of carbohydrate per 100 gr serving)


Below Ground Vegetables

These below ground vegetables are higher in carbohydrates and may need to be kept to small amounts:

Carrots, onions, beet, celeriac, rutabaga.

These vegetables have even higher carbohydrate levels, and will need to be avoided completely by some people:

Potato, sweet potato, parsnip.

Below Ground Vegetables from the Diet Doctor

Below Ground Vegetables from the Diet Doctor (grams of carbohydrate per 100 gr serving)

For more details see: Low-Carb Vegetables from Diet Doctor


Fermented Vegetables

We recommend introducing small amounts of fermented vegetables to your diet, and working up to at least 2 tablespoons per day.

See: Fermented Foods

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