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Apples, raw, with skin (Includes foods for USDA's Food Distribution Program)

Fruits Per 100 g · Per 100g serving

Apples, raw, with skin (Includes foods for USDA's Food Distribution Program) is a fruit at 52.0 calories per 100g. This fruit is virtually fat-free. Fruits are naturally rich in vitamins, dietary fiber, and antioxidants. They are an important part of a balanced diet and contribute to daily micronutrient needs. Our database tracks 90 nutrients for this food, plus glycemic index, insulin index, polyphenol profile, environmental footprint data.

52.0
Calories
kcal
0.26
Protein
g
0.17
Fat
g
13.8
Carbs
g
2.4
Fiber
g

Top Nutrients

💪
Carbohydrate
13.8 g
11% DV
💪
Fiber
2.4 g
6% DV
☀️
Vitamin A (RAE)
54.0 µg
6% DV

Data for 90 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 10
NutrientPer 100gUnitPer Serving% DV
Water SR85.6g—
2%
Calories SR52.0kcal——
Energy (kJ) SR218kj——
Protein SR0.26g—
0%
Total Fat SR0.17g——
Carbohydrate SR13.8g—
11%
Fiber SR2.4g—
6%
Total Sugars SR10.4g——
Starch SR0.05g——
Ash SR0.19g——
Minerals 11
NutrientPer 100gUnitPer Serving% DV
Calcium SR6.0mg—
1%
Iron SR0.12mg—
2%
Magnesium SR5.0mg—
1%
Phosphorus SR11.0mg—
2%
Potassium SR107mg—
3%
Sodium SR1.0mg—
0%
Zinc SR0.04mg—
0%
Copper SR0.03mg—
3%
Manganese SR0.04mg—
2%
Selenium SR0µg——
Fluoride SR3.3µg—
0%
Vitamins 29
NutrientPer 100gUnitPer Serving% DV
Vitamin A (RAE) SR54.0µg—
6%
Vitamin A (IU) SR3.0IU——
Retinol SR0µg——
Beta-Carotene SR27.0µg——
Alpha-Carotene SR0µg——
Beta-Cryptoxanthin SR11.0µg——
Lycopene SR0µg——
Lutein + Zeaxanthin SR29.0µg——
Vitamin C SR4.6mg—
5%
Vitamin D SR0µg——
Vitamin D (IU) SR0IU——
Vitamin E SR0.18mg—
1%
Beta-Tocopherol SR0mg——
Gamma-Tocopherol SR0mg——
Delta-Tocopherol SR0mg——
Vitamin K1 SR2.2µg—
2%
Vitamin K2 (MK-4) SR0µg——
Thiamin (B1) SR0.02mg—
1%
Riboflavin (B2) SR0.03mg—
2%
Niacin (B3) SR0.09mg—
1%
Pantothenic Acid (B5) SR0.06mg—
1%
Vitamin B6 SR0.04mg—
3%
Folate SR3.0µg—
1%
Folic Acid SR0µg——
Folate (food) SR3.0µg——
Folate (DFE) SR3.0µg——
Vitamin B12 SR0µg——
Choline SR3.4mg—
1%
Betaine SR0.10mg——
Fatty Acids 9
NutrientPer 100gUnitPer Serving% DV
Saturated Fat SR0.03g——
Monounsaturated Fat SR0.007g——
Polyunsaturated Fat SR0.05g——
Trans Fat SR0g——
Cholesterol SR0mg——
Phytosterols SR12.0mg——
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) SR0g——
Lauric Acid (12:0) SR0g——
Myristic Acid (14:0) SR0.001g——
Palmitic Acid (16:0) SR0.02g——
Stearic Acid (18:0) SR0.003g——
Linoleic Acid (18:2) SR0.04g—
0%
Linolenic Acid (18:3) SR0.009g——
Amino Acids 18
NutrientPer 100gUnitPer Serving% DV
Tryptophan SR0.001g——
Threonine SR0.006g——
Isoleucine SR0.006g——
Leucine SR0.01g——
Lysine SR0.01g——
Methionine SR0.001g——
Cystine SR0.001g——
Phenylalanine SR0.006g——
Tyrosine SR0.001g——
Valine SR0.01g——
Arginine SR0.006g——
Histidine SR0.005g——
Alanine SR0.01g——
Aspartic Acid SR0.07g——
Glutamic Acid SR0.03g——
Glycine SR0.009g——
Proline SR0.006g——
Serine SR0.01g——
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.

50
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

Dietary Fat + Vitamin A●●●

Vitamin A is fat-soluble and requires dietary fat for absorption. Adding fat to a meal significantly increases beta-carotene and retinol absorption.

Ribaya-Mercado et al., Am J Clin Nutr, 2007

How Cooking Changes Nutrients

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

Key insights
⚡Vitamin C loses up to 30% when sautéed. Baked retains 80%.
⚡Folate loses up to 50% when sautéed. Baked retains 60%.

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.

36
Glycemic Index
Low GI
5
Glycemic Load
Low GL (per 120g)
GI Scale 36
0 Low <55 Med High ≥70 100

GI data matched from: “Apple, raw” · ●●● high confidence

59
Insulin Index
Moderate Insulin Response
Insulin Index Scale 59
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

Polyphenols & Bioactive Compounds

Polyphenols are plant-derived compounds with antioxidant properties. Higher intake is associated with reduced cardiovascular risk and improved gut health.

136
Total Polyphenols
mg per 100g · Rich Source
2
Polyphenol Classes
identified in this food
Flavonoids107 mg79%
Phenolic Acids29 mg21%

Processing Impact on Polyphenols

How common cooking methods affect polyphenol content in fruits. Retention % is relative to the raw/unprocessed food.

Best Method
Freezing
95% retained
Most Loss
Juicing
52% retained
🧊
Freezing95%
Excellent retention; flash-freezing preserves structure and polyp≈129 mg
☀️
Drying82%
Moderate heat degradation offset by concentration; sun-drying ret≈112 mg
🫕
Boiling68%
Significant leaching of water-soluble flavonoids into cooking wat≈92 mg
🔥
Baking/Roasting65%
Dry heat degrades anthocyanins more than other flavonoids≈88 mg
🥫
Canning55%
Prolonged thermal treatment and water contact cause significant l≈75 mg
🧃
Juicing52%
Fiber-bound polyphenols lost with pulp; clear juices lose more th≈71 mg

Health Associations

Research-backed associations for the polyphenol classes found in this food. Evidence strength rated from systematic reviews and meta-analyses.

💜
↓ Cardiovascular disease riskModerate
Flavonoids: Meta-analyses of prospective cohorts show 10-20% lower CVD risk with higher flav
💜
↓ Blood pressureModerate
Flavonoids: RCTs show modest systolic BP reductions (2-5 mmHg) with flavanol-rich cocoa and
🔵
↑ Antioxidant capacityStrong
Phenolic Acids: Chlorogenic acid (coffee) and ferulic acid (grains) show consistent antioxidant
🔵
↑ Glucose metabolismModerate
Phenolic Acids: Chlorogenic acid may slow glucose absorption and improve insulin sensitivity
⚠ Most evidence is from observational studies and in vitro research. Randomized controlled trials are limited. Individual responses vary based on gut microbiome, genetics, and overall diet. Associations do not prove causation.

Polyphenol data matched from: “Apple, raw, with skin” · ●●● high confidence

Source: Phenol-Explorer 3.6 (INRA, 2023) · Retention: Rothwell 2013, Palermo 2014 · Health: Del Bo' 2019, Grosso 2017

Environmental Impact

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

0.43
kg CO₂e / kg
Very Low Impact
0.57
m² land / kg
Land Use
180
L water / kg
Water Use
3.5
g SO₂e / kg
Acidification
How this compares (GHG emissions)
Potatoes (0.5)Chicken (9.9)Beef (99.5)
Greenhouse Gas Emissions0.43 kg CO₂e / kg
Land Use0.57 m² / kg
Water Use180 L / kg
Eutrophication2.0 g PO₄e / kg
Acidification3.5 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: Fruits

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

1.
Dominican Republic
618
2.
Oman
424
3.
Uganda
422
4.
Guyana
416
5.
Sao Tome and Principe
366
6.
Saudi Arabia
352
7.
Papua New Guinea
317
8.
Dominica
308
9.
Albania
293
10.
Ghana
286

Global Supply Trend (1961–2023)

+38%
1961: 93 kcal2023: 128 kcal

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

Compare This Food

See how this food stacks up in detailed side-by-side comparisons.

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Frequently Asked Questions

How many calories are in Apples, raw, with skin (Includes foods for USDA's Food Distribution Program)?

Apples, raw, with skin (Includes foods for USDA's Food Distribution Program) contains 52.0 kcal per 100 grams, making it a low-calorie food. The energy comes from 0.26g of protein (2% of calories), 0.17g of fat (3%), and 13.8g of carbohydrates (106%). Carbohydrates are the primary energy source.

What is Apples, raw, with skin (Includes foods for USDA's Food Distribution Program) most nutritious for?

The standout nutrient in Apples, raw, with skin (Includes foods for USDA's Food Distribution Program) is Carbohydrate, providing 13.8 g per 100g (11% of the Daily Value). It is also a notable source of Fiber (6% DV). Our database tracks 90 individual nutrients for this food, allowing detailed comparison across vitamins, minerals, amino acids, and fatty acids.

Is Apples, raw, with skin (Includes foods for USDA's Food Distribution Program) high in protein?

At 0.26g per 100 grams, Apples, raw, with skin (Includes foods for USDA's Food Distribution Program) 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 Apples, raw, with skin (Includes foods for USDA's Food Distribution Program)?

Apples, raw, with skin (Includes foods for USDA's Food Distribution Program) contains 2.4g 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 Apples, raw, with skin (Includes foods for USDA's Food Distribution Program)?

Apples, raw, with skin (Includes foods for USDA's Food Distribution Program) has a glycemic index of 36, which is classified as low (≤55). Low-GI foods cause a slower, more gradual rise in blood sugar levels, which may be beneficial for blood sugar management. The glycemic load, which accounts for typical serving size, provides additional context for real-world blood sugar impact.

Does Apples, raw, with skin (Includes foods for USDA's Food Distribution Program) contain polyphenols?

Yes, Apples, raw, with skin (Includes foods for USDA's Food Distribution Program) contains approximately 136 mg of polyphenols per 100g, primarily from the high class. Polyphenols are bioactive plant compounds associated with antioxidant properties. Their retention can vary with cooking and processing methods — see the processing impact section above for details.

What is the insulin index of Apples, raw, with skin (Includes foods for USDA's Food Distribution Program)?

Apples, raw, with skin (Includes foods for USDA's Food Distribution Program) has a moderate insulin response (II: 59) (clinically measured) on the insulin index scale (white bread = 100). This is a typical insulin response for most mixed 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.