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Potatoes, boiled, cooked in skin, flesh, with salt

Vegetables Per 100 g · Per 100g serving
Also available: Cooked, Microwaved

Potatoes, boiled, cooked in skin, flesh, with salt is a vegetable at 87.0 calories per 100g. This vegetable is virtually fat-free. Vegetables provide essential vitamins, minerals, and dietary fiber with relatively few calories. They are a cornerstone of virtually every dietary guideline worldwide. Our database tracks 83 nutrients for this food, plus glycemic index, insulin index, environmental footprint data.

87.0
Calories
kcal
1.9
Protein
g
0.10
Fat
g
20.1
Carbs
g
2.0
Fiber
g

Top Nutrients

☀️
Vitamin B6
0.30 mg
23% DV
💎
Copper
0.19 mg
21% DV
💎
Sodium
240 mg
16% DV

Data for 83 of 150 tracked nutrients

Nutrient Fingerprint

How this food scores across key nutrient categories, as a percentage of the daily recommended value per 100 g. Based on USDA DRIs for adults.

Complete Nutrient Profile

Macronutrients 9
NutrientPer 100gUnitPer Serving% DV
Water SR77.0g
2%
Calories SR87.0kcal
Energy (kJ) SR364kj
Protein SR1.9g
3%
Total Fat SR0.10g
Carbohydrate SR20.1g
16%
Fiber SR2.0g
5%
Total Sugars SR0.91g
Ash SR0.92g
Minerals 11
NutrientPer 100gUnitPer Serving% DV
Calcium SR5.0mg
0%
Iron SR0.31mg
4%
Magnesium SR22.0mg
6%
Phosphorus SR44.0mg
6%
Potassium SR379mg
11%
Sodium SR240mg
16%
Zinc SR0.30mg
3%
Copper SR0.19mg
21%
Manganese SR0.14mg
6%
Selenium SR0.30µg
0%
Fluoride SR49.4µg
1%
Vitamins 24
NutrientPer 100gUnitPer Serving% DV
Vitamin A (RAE) SR3.0µg
0%
Vitamin A (IU) SR0IU
Retinol SR0µg
Beta-Carotene SR2.0µg
Alpha-Carotene SR0µg
Beta-Cryptoxanthin SR0µg
Lycopene SR0µg
Lutein + Zeaxanthin SR10.0µg
Vitamin C SR13.0mg
14%
Vitamin D SR0µg
Vitamin D (IU) SR0IU
Vitamin E SR0.05mg
0%
Vitamin K1 SR2.2µg
2%
Thiamin (B1) SR0.11mg
9%
Riboflavin (B2) SR0.02mg
2%
Niacin (B3) SR1.4mg
9%
Pantothenic Acid (B5) SR0.52mg
10%
Vitamin B6 SR0.30mg
23%
Folate SR10.0µg
2%
Folic Acid SR0µg
Folate (food) SR10.0µg
Folate (DFE) SR10.0µg
Vitamin B12 SR0µg
Choline SR13.5mg
2%
Fatty Acids 8
NutrientPer 100gUnitPer Serving% DV
Saturated Fat SR0.03g
Monounsaturated Fat SR0.002g
Polyunsaturated Fat SR0.04g
Trans Fat SR0g
Cholesterol SR0mg
Omega-3 EPA SR0g
Omega-3 DPA SR0g
Omega-3 DHA SR0g
Individual Fatty Acids 10
NutrientPer 100gUnitPer Serving% DV
Butyric Acid (4:0) SR0g
Caproic Acid (6:0) SR0g
Caprylic Acid (8:0) SR0g
Capric Acid (10:0) SR0.001g
Lauric Acid (12:0) SR0.003g
Myristic Acid (14:0) SR0.001g
Palmitic Acid (16:0) SR0.02g
Stearic Acid (18:0) SR0.004g
Linoleic Acid (18:2) SR0.03g
0%
Linolenic Acid (18:3) SR0.01g
Amino Acids 18
NutrientPer 100gUnitPer Serving% DV
Tryptophan SR0.03g
Threonine SR0.07g
Isoleucine SR0.08g
Leucine SR0.11g
Lysine SR0.11g
Methionine SR0.03g
Cystine SR0.02g
Phenylalanine SR0.08g
Tyrosine SR0.07g
Valine SR0.10g
Arginine SR0.09g
Histidine SR0.04g
Alanine SR0.06g
Aspartic Acid SR0.46g
Glutamic Acid SR0.31g
Glycine SR0.06g
Proline SR0.07g
Serine SR0.08g
Other 3
NutrientPer 100gUnitPer Serving% DV
Caffeine SR0mg
Theobromine SR0mg
Alcohol SR0g

Nutrient Density Score

The NRF9.3 score measures overall nutritional quality per 100 kcal. It rewards 9 nutrients to encourage (protein, fiber, vitamins A, C, E, calcium, iron, magnesium, potassium) and penalizes 3 to limit (saturated fat, added sugars, sodium). Higher is better; negative scores indicate the food is high in limit nutrients relative to its beneficial content.

35
NRF9.3 Score
Moderate · per 100 kcal
Poor (<0) Moderate Good Excellent (100+)

NRF9.3 index: Fulgoni et al. (2009), J Nutr 139(8). DVs based on FDA 2020 reference values.

Nutrient Interactions in This Food

Nutrients in this food that enhance or compete with each other during absorption.

✔ Synergies — nutrients that help each other

Vitamin B6 + Magnesium●●

Vitamin B6 may enhance intracellular magnesium accumulation. Combined supplementation has shown greater benefits for stress and anxiety than magnesium alone.

Pouteau et al., PLoS One, 2018

⚠ Antagonisms — nutrients that compete

Potassium vs Sodium●●

High potassium intake promotes renal sodium excretion and attenuates the blood pressure–raising effect of sodium. A higher K:Na ratio is associated with lower cardiovascular risk.

Aburto et al., BMJ, 2013

Vitamin C vs Copper●●

High-dose vitamin C (>1,500 mg/day) may reduce copper absorption by reducing Cu²⁺ to Cu⁺, though the clinical significance at normal intakes is minimal.

Harris, Am J Clin Nutr, 2003

Amino Acid Profile

Essential amino acid composition compared to the WHO/FAO adult reference pattern. The Amino Acid Score indicates protein quality — 100 means all essential amino acid requirements are met.

102
Amino Acid Score
Complete
Leucine
Lowest Scoring
18
Amino Acids Tracked

✓ Complete protein — all essential amino acids meet or exceed WHO reference levels.

All Amino Acids (18)
Amino Acidg / 100gmg / g protein
Tryptophan0.0315.5
Threonine0.0736.4
Isoleucine0.0840.6
Leucine0.1159.9
Lysine0.1161.0
Methionine0.0316.0
Cystine0.0212.8
Phenylalanine0.0844.4
Tyrosine0.0736.9
Valine0.1056.1
Arginine0.0946.0
Histidine0.0421.9
Alanine0.0630.5
Aspartic Acid0.46244.4
Glutamic Acid0.31167.9
Glycine0.0629.9
Proline0.0735.8
Serine0.0843.3

How Cooking Changes Nutrients

Estimated percentage of each nutrient retained after cooking, based on USDA retention factors for the “Potatoes” food category. Values of 100% mean no loss; lower values indicate nutrients lost to heat, water, or oxidation.

Key insights
Folate loses up to 25% when boiled (drained). Broiled / Grilled retains 95%.
Vitamin C loses up to 26% when fried. Broiled / Grilled retains 85%.
Thiamin loses up to 20% when boiled (drained). Broiled / Grilled retains 90%.

Source: USDA Table of Nutrient Retention Factors, Release 6 (2007). Retention values are category-level averages — actual retention depends on cooking time, temperature, and water volume.

USDA Retention Factors

Glycemic & Insulin Response

The Glycemic Index (GI) measures how quickly a food raises blood sugar on a 0–100 scale. The Insulin Index (II) measures the insulin response directly, which can differ from GI — notably, dairy and high-protein foods often trigger a higher insulin response than their GI suggests. White bread = 100 for both scales.

78
Glycemic Index
High GI
14
Glycemic Load
Medium GL (per 150g)
GI Scale 78
0 Low <55 Med High ≥70 100

GI data matched from: “Potato, boiled” · ●●● high confidence

121
Insulin Index
Very High Insulin Response
Insulin Index Scale 121
0 Low ≤30 Mod ≤60 High ≤100 120
Measured ●●● Clinically measured (Holt 1997, Bell 2014)

Source: International Tables of Glycemic Index (Sydney University, 2021) · Holt et al. 1997; Bao et al. 2016; Bell 2014

Environmental Impact

Environmental footprint per kilogram of food produced. Data represents the global average for the “Potatoes” category.

0.46
kg CO₂e / kg
Very Low Impact
0.88
m² land / kg
Land Use
59.0
L water / kg
Water Use
2.5
g SO₂e / kg
Acidification
How this compares (GHG emissions)
Potatoes (0.5)Chicken (9.9)Beef (99.5)
Greenhouse Gas Emissions0.46 kg CO₂e / kg
Land Use0.88 m² / kg
Water Use59.0 L / kg
Eutrophication3.5 g PO₄e / kg
Acidification2.5 g SO₂e / kg
⚠️ Important context about this data
  • Global averages: These figures are production-weighted averages from a meta-analysis of ~38,700 farms across 119 countries (Poore & Nemecek, 2018). Actual impact varies enormously by farming method, geography, and supply chain.
  • System boundary: Cradle-to-retail only — does not include consumer transport, home cooking energy, or food waste.
  • Soil carbon not included: This data does not account for soil carbon sequestration. Some argue that well-managed regenerative grazing partially offsets ruminant emissions; however, full lifecycle accounting — including methane, land-use change, and the opportunity cost of using land for grazing vs. reforestation — typically makes the net footprint of ruminant meat higher, not lower. This is especially relevant in temperate grassland regions like Ireland.
  • Not gospel: This data is informational and illustrative. It is useful for understanding relative magnitudes, but should not be treated as precise measurements for any individual product or farm.

Source: Poore & Nemecek (2018), Science 360(6392). Meta-analysis of ~38,700 farms, 119 countries, 46 product categories.

Global Supply: Vegetables

Top 10 countries by per capita supply of the “Vegetables” food group (kcal/capita/day, 2023). This is food group–level data from FAO Food Balance Sheets, not specific to this individual food.

1.
China; mainland
310
2.
China
306
3.
Albania
258
4.
North Macedonia
221
5.
Guyana
209
6.
Kazakhstan
204
7.
Oman
192
8.
Uzbekistan
190
9.
Tajikistan
186
10.
Bosnia and Herzegovina
183

Global Supply Trend (1961–2023)

+76%
1961: 38 kcal2023: 67 kcal

Source: FAO Food Balance Sheets (2023). Supply = production + imports − exports − waste, converted to kcal/capita/day.

Frequently Asked Questions

How many calories are in Potatoes, boiled, cooked in skin, flesh, with salt?

Potatoes, boiled, cooked in skin, flesh, with salt contains 87.0 kcal per 100 grams, making it a moderate-calorie food. The energy comes from 1.9g of protein (9% of calories), 0.10g of fat (1%), and 20.1g of carbohydrates (93%). Carbohydrates are the primary energy source.

What is Potatoes, boiled, cooked in skin, flesh, with salt most nutritious for?

The standout nutrient in Potatoes, boiled, cooked in skin, flesh, with salt is Vitamin B6, providing 0.30 mg per 100g (23% of the Daily Value). It is also a notable source of Copper (21% DV). Our database tracks 83 individual nutrients for this food, allowing detailed comparison across vitamins, minerals, amino acids, and fatty acids.

Is Potatoes, boiled, cooked in skin, flesh, with salt high in protein?

At 1.9g per 100 grams, Potatoes, boiled, cooked in skin, flesh, with salt is not a significant source of protein. Pair with protein-rich foods like legumes, meat, fish, or dairy to meet daily protein needs.

How much fiber is in Potatoes, boiled, cooked in skin, flesh, with salt?

Potatoes, boiled, cooked in skin, flesh, with salt contains 2.0g of fiber per 100 grams, which is a small amount. To increase fiber intake, consider pairing with high-fiber foods such as legumes, whole grains, or vegetables.

What is the glycemic index of Potatoes, boiled, cooked in skin, flesh, with salt?

Potatoes, boiled, cooked in skin, flesh, with salt has a glycemic index of 78, which is classified as high (≥70). High-GI foods cause a rapid spike in blood sugar. Pairing with protein, fat, or fiber can help moderate the glycemic response. The glycemic load, which accounts for typical serving size, provides additional context for real-world blood sugar impact.

What is the insulin index of Potatoes, boiled, cooked in skin, flesh, with salt?

Potatoes, boiled, cooked in skin, flesh, with salt has a very high insulin response (II: 121) (clinically measured) on the insulin index scale (white bread = 100). This is among the highest insulin responses measured. The insulin index can exceed 100 (white bread baseline) for some foods. Note that the insulin index can differ substantially from the glycemic index — dairy products and high-protein foods often have higher insulin responses than their GI would suggest.