New Potatoes: Calories, Nutrition and Health Benefits

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Perplexity

Boiled new potatoes with the skin on have about 87 calories per 100 g, with 20 g carbs, 1.9 g protein and almost no fat. Butter, olive oil and salted water add most of the extra calories.

Quick Nutrition Facts

Per 100 g boiled new potatoes with skin

Nutrient	Amount
Calories	87 kcal
Protein	1.9g
Carbohydrates	20.1g
Fiber	1.8g
Sugars	0.9g
Fat	0.1g
Sodium	4 mg

Macronutrient Breakdown

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NUTRITIONIST'S INSIGHT

New potatoes are harvested young, so they are small, waxy and thin-skinned, and the skin is eaten. Per 100 g they give 87 kcal, 1.8 g fiber and only 4 mg sodium before salting. The calories rise through what goes on them: a teaspoon of butter adds about 35 kcal and a tablespoon of olive oil about 120. Salting the cooking water and adding butter is how a 87 kcal food turns into a side dish near 150. Keeping the skin keeps the fiber, and cooling the cooked potatoes before eating them as a salad raises their resistant starch.

Myth Busters

MYTH #1: New potatoes are lower in calories than ordinary potatoes.

TRUTH: Only slightly, if at all. Boiled in the skin they have about 87 kcal per 100 g, close to other boiled potatoes. Smaller pieces make portions feel lighter, not the potato itself. USDA FoodData Central: Potatoes, boiled, cooked in skin, flesh, without salt

MYTH #2: The skin should be peeled off.

TRUTH: New potato skin is thin and edible. It holds a share of the fiber, and 100 g with skin gives 1.8 g fiber. USDA FoodData Central: Potatoes, boiled, cooked in skin, flesh, without salt; Harvard T.H. Chan School of Public Health: Potatoes, The Nutrition Source

MYTH #3: Potatoes count toward your 5 a day.

TRUTH: The NHS classes potatoes as a starchy food, not as one of your 5 a day, even though they provide fiber and potassium. NHS: Starchy foods and carbohydrates

MYTH #4: People with diabetes must avoid new potatoes.

TRUTH: They can eat them in a measured portion. 100 g has about 20 g of carbohydrate, which needs counting, and protein and vegetables alongside slow the glucose rise. Diabetes UK: Carbs and diabetes; University of Sydney Glycemic Index Database

MYTH #5: Potato salad made from cooled potatoes is always unhealthy.

TRUTH: The potato is not the problem. Cooling cooked potatoes raises resistant starch, and the calories come from mayonnaise. A vinaigrette or yogurt dressing keeps it light. USDA FoodData Central: Potatoes, boiled, cooked in skin, flesh, without salt; Harvard T.H. Chan School of Public Health: Potatoes, The Nutrition Source

NutriScore by Health Goals

Health Goal	NutriScore	Why This Score?
Weight Loss		At 87 kcal and 0.1 g fat per 100 g they are filling and low in energy density. Butter and oil are what push the portion up. USDA FoodData Central: Potatoes, boiled, cooked in skin, flesh, without salt; NHS: Starchy foods and carbohydrates
Muscle Gain		Only 1.9 g protein per 100 g. They suit carb refueling but need a protein such as fish, chicken or eggs on the plate. USDA FoodData Central: Potatoes, boiled, cooked in skin, flesh, without salt
Heart Health		Fat-free and 4 mg sodium before salting, with fiber and potassium. Salted water, butter and bacon toppings reduce the benefit. USDA FoodData Central: Potatoes, boiled, cooked in skin, flesh, without salt; NHS: Salt in your diet
Blood Sugar Control		Around 20 g carbs per 100 g, and boiled potatoes are a moderate to high GI food. Pair them with protein and vegetables. University of Sydney Glycemic Index Database; Diabetes UK: Carbs and diabetes
Gut Health		1.8 g fiber per 100 g with the skin on, and cooked-then-cooled potatoes contain some resistant starch. USDA FoodData Central: Potatoes, boiled, cooked in skin, flesh, without salt; Harvard T.H. Chan School of Public Health: Potatoes, The Nutrition Source

PERSONALIZED NUTRITION

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Blood Sugar Response to New Potatoes

Boiled new potatoes raise glucose at a moderate pace, peaking around 45 minutes and returning toward baseline by about 2.5 to 3 hours. Eating them cooled, with the skin, or alongside protein and vegetables lowers the peak. University of Sydney Glycemic Index Database; Diabetes UK: Carbs and diabetes

Typical Glucose Response Curve

Not medical advice

How to flatten the spike

Keep the skin on and pair the potatoes with a protein such as salmon, chicken or eggs.
Eat a side of green vegetables or salad first, then the potatoes.
Stick to about 150 g, roughly 5 to 6 small potatoes, and count the carbs if you manage diabetes.
Cook, cool and then eat them as a salad: cooling raises resistant starch, which can soften the glucose rise.

Cultural Significance

New potatoes are the first harvest of the season, dug young with skins that rub off under a thumb. In the UK, Jersey Royals arrive in spring and are boiled with a sprig of mint and a knob of butter. Across Europe, small waxy potatoes are served warm with herbs, in salads or beside fish, and baby potatoes are roasted whole in the US.