Pumpkin Seeds (Pepitas, Kernels, Dried, Unsalted)

Pumpkin Seeds (Pepitas, Kernels, Dried, Unsalted)

FamilyCucurbitaceae
Importance
Dried pumpkin seed is a nutrient-dense oilseed with a strong profile of plant protein, arginine, magnesium, zinc, phosphorus, iron, copper, manganese, potassium, fiber, unsaturated fats, phytosterols, tocopherols, carotenoids, phenolic acids, and antioxidant compounds. Its nutritional importance begins with mineral density. Magnesium supports ATP metabolism, glucose-handling pathways, nerve signaling, muscle function, and cardiovascular balance. Zinc supports immune signaling, tissue repair, skin integrity, and normal reproductive biology. Iron supports oxygen transport, while copper and manganese support antioxidant enzyme systems that protect cells from reactive oxygen stress.

Pumpkin seed supports metabolic steadiness through protein, fiber, healthy fats, magnesium, and low available carbohydrate. These nutrients help slow digestion and support steadier post-meal energy. Pumpkin seed and pumpkin-seed-derived compounds have been studied in relation to glucose control, lipid metabolism, insulin-related signaling, and oxidative stress. This connects dried pumpkin seed to pathways involving insulin response, mitochondrial energy production, endothelial function, lipid handling, and redox balance.

The phytochemical profile of pumpkin seed includes phytosterols such as beta-sitosterol, campesterol, and stigmasterol, along with tocopherols, carotenoids, phenolic acids, flavonoids, squalene, and cucurbitacin-related compounds. These plant compounds support lipid protection, antioxidant defense, inflammatory signaling balance, and membrane stability. In cancer-supportive nutrition patterns, pumpkin seed is most relevant for its zinc, magnesium, fiber, phytosterols, tocopherols, phenolics, carotenoids, and amino acids. These nutrients intersect with Nrf2 antioxidant response, NF-kB inflammatory regulation, glutathione-related redox balance, lipid oxidation defense, mitochondrial stability, DNA protection, apoptosis signaling balance, and immune communication.

Pumpkin seed also provides a strong amino acid profile, including glutamic acid, arginine, aspartic acid, leucine, glycine, alanine, valine, phenylalanine, serine, and lysine. Arginine supports nitric oxide production through nitric oxide synthase activity, helping maintain normal circulation and endothelial function. The protein and mineral profile supports cellular repair, enzyme activity, connective tissue maintenance, and long-term metabolic resilience.

Dried pumpkin seed is calorie dense, so its best role is as a concentrated whole-food source of protein, minerals, fiber, healthy fats, and protective plant compounds. It supports cardiovascular function, metabolic steadiness, digestive resilience, immune regulation, cellular repair, skin support, and long-term antioxidant protection through its combined mineral, amino acid, fat, fiber, and phytochemical pattern.
Region FoundPumpkin is native to the Americas, with domestication in Mesoamerica and North America; pumpkin seeds are now produced worldwide in the Americas, Europe, China, India, and other temperate and subtropical regions
Glycemic Index10.0
Glycemic Load1.07
Helps Fight These Cancers: Prostate Cancer, Colorectal Cancer, Gastric Cancer
Helps Fight These Ailments: Benign Prostatic Hyperplasia (Bph), Type 2 Diabetes, Prediabetes, Hypercholesterolemia, Metabolic Syndrome
Linked Hormones:
Linked Enzymes:
SUMMARY OF EFFECTS ON THE BODY
Immune System
Zinc + arginine modulate immune balance
Cardiovascular
Plant sterols + PUFA support lipid regulation
Digestive System
Fiber → SCFA supports gut integrity
Skin & Collagen
Magnesium influences enzyme activation and tissue remodeling
Cellular Repair
Folate, iron, and phenolics support genomic stability and antioxidant defense

All values per 100g
Nutrition Facts
Calories (kcal)574
Protein (g)29.8
Carbohydrates (g)14.7
Fiber (g)6.5
Sugars (g)1.4
Total Fat (g)49
Saturated Fat (g)8.7
Vitamins
Vitamin A (µg RAE)0
Vitamin C (mg)1.9
Vitamin D (µg)0
Vitamin E (mg)0.07
Vitamin K (µg)7.3
Vitamin B1 / Thiamin (mg)0.273
Vitamin B2 / Riboflavin (mg)0.153
Vitamin B3 / Niacin (mg)4.987
Vitamin B5 / Pantothenic Acid (mg)0.75
Vitamin B6 (mg)0.143
Vitamin B7 / Biotin (µg)0
Folate B9 (µg)58
Vitamin B12 (µg)0
Vitamin Detail Pages
Minerals
Calcium (mg)46
Iron (mg)8.82
Magnesium (mg)592
Phosphorus (mg)1233
Potassium (mg)809
Sodium (mg)7
Zinc (mg)7.81
Copper (mg)1.343
Manganese (mg)4.54
Selenium (µg)9.4
Iodine (µg)0
Mineral Detail Pages
Amino Acids
Alanine (mg)1,485 mg
Arginine (mg)5,353 mg
Asparagine (mg)0 mg
Aspartic Acid (mg)2,969 mg
Cysteine (mg)630 mg
Glutamic Acid (mg)6,189 mg
Glutamine (mg)0 mg
Glycine (mg)1,841 mg
Histidine (mg)770 mg
Isoleucine (mg)1,284 mg
Leucine (mg)2,419 mg
Lysine (mg)1,236 mg
Methionine (mg)603 mg
Phenylalanine (mg)1,733 mg
Proline (mg)1,276 mg
Serine (mg)1,671 mg
Threonine (mg)998 mg
Tryptophan (mg)576 mg
Tyrosine (mg)1,093 mg
Valine (mg)1,579 mg
Amino Acid Detail Pages
Phytochemicals
Beta-sitosterol, campesterol, stigmasterol, phytosterols, gamma-tocopherol, alpha-tocopherol, delta-tocopherol, carotenoids, lutein, zeaxanthin, beta-carotene, squalene, cucurbitacin-related compounds, ferulic acid, caffeic acid, p-coumaric acid, syringic acid, vanillic acid, phenolic acids, flavonoids
Research & Notes
Research Notes:
USDA FDC ID 170567. Nutrients per 100 g. GI listed as 0. Amino acids taken from USDA AA panel per 100 g (mg→g). USDA reports cystine ≈0.380 g/100 g; per P53 schema rule, cysteine_g = NULL and cystine is documented here.
Notes:
Use raw or dry-toasted without added seed oils; avoid salted commercial snack versions.
Created: 2025-11-07 13:30:53
Last Updated: 2026-06-04 08:13:59