The Core Connection: Pumpkin is a Squash
Before diving into the nutritional differences, it's important to understand the botanical relationship. A pumpkin is technically a winter squash, and both belong to the Cucurbita family. This close lineage explains why their seeds, also known as pepitas, possess such similar nutritional profiles. The term 'squash seeds' can refer to seeds from varieties like butternut, acorn, or delicata, while 'pumpkin seeds' usually refers to the specific seeds of a pumpkin. The size, shape, and taste can vary slightly between these seeds, but their fundamental health benefits are largely consistent. This means that while we can compare them, the reality is that all these seeds are excellent additions to a healthy diet.
Pumpkin Seeds: A Mineral Powerhouse
Pumpkin seeds, especially the shell-free variety, are renowned for their high concentration of specific minerals. Health professionals often refer to them as a "magnesium superstar". A single ounce can provide a significant portion of your daily magnesium needs, a mineral vital for over 600 bodily chemical reactions, including blood pressure regulation and bone health.
Key nutritional strengths of pumpkin seeds include:
- Magnesium: Promotes heart health, reduces blood pressure, and contributes to healthy bones.
- Zinc: Supports immune function and prostate health.
- Tryptophan: This amino acid converts to serotonin and melatonin, which can help improve sleep quality.
- Antioxidants: Rich in antioxidants like vitamin E and carotenoids that reduce inflammation and protect cells.
Squash Seeds: Fiber and Nutrient Variety
Seeds from other winter squash varieties, such as butternut or acorn squash, also boast impressive nutritional credentials. They are excellent sources of protein, healthy fats, and fiber. While the specific mineral composition can vary slightly depending on the squash type and growing conditions, they generally contain good levels of iron, calcium, and magnesium. For example, studies on butternut squash have found that its seeds can be a great source of dietary fiber and heart-healthy fatty acids. The edible, though more fibrous, hulls of some squash seeds are another source of fiber. This can make some squash seeds, like those from butternut, a particularly fiber-rich option.
Pumpkin vs. Squash Seeds: A Nutritional Breakdown
The following table compares the typical nutritional content of roasted, whole pumpkin seeds versus roasted butternut squash seeds, based on available data.
| Nutrient (per ounce) | Roasted Pumpkin Seeds | Roasted Butternut Squash Seeds | 
|---|---|---|
| Calories | ~163 kcal | ~170 kcal (estimated) | 
| Protein | ~8.5 g | ~6-8 g (estimated) | 
| Fat | ~13.9 g | ~11-13 g (estimated) | 
| Dietary Fiber | ~1.8 g | ~4-7 g (per cup of whole seeds) | 
| Magnesium | ~156 mg | Excellent source (specific amount varies) | 
| Zinc | ~2.2 mg | High zinc content | 
Choosing Between the Seeds for Your Health Goals
Because their nutritional profiles are so similar, your choice might come down to specific health goals or simply taste and texture preference.
- For maximum magnesium: If your goal is to boost magnesium intake, pumpkin seeds (especially pepitas) are often cited as the "superstar" and may offer a slight edge.
- For fiber: Butternut squash seeds, often eaten whole with their shells, are an excellent source of dietary fiber, which supports digestive health and satiety.
- For heart health: Both seeds are beneficial due to their healthy fats, antioxidants, and magnesium content. Pumpkin seeds have shown specific benefits in regulating blood pressure, but squash seeds contribute to cardiovascular health overall.
- For men's health: Pumpkin seeds are particularly rich in zinc, which is known to benefit prostate health.
- For a lighter, nuttier flavor: Some people prefer the slightly smaller, less fibrous texture of butternut squash seeds.
How to Prepare and Enjoy Your Seeds
Roasted seeds make a delicious, crunchy snack. The process is simple, and you can add seasonings to complement a variety of meals.
- Clean the Seeds: Scrape seeds and pulp from the squash. Rinse them well in a colander, removing as much stringy pulp as possible. Pat them dry with a towel.
- Season: Toss the clean, dry seeds with a small amount of oil (olive or avocado oil works well) and salt. You can also experiment with other spices like chili powder, garlic powder, or cinnamon.
- Roast: Spread the seasoned seeds in a single layer on a parchment-lined baking sheet. Roast at a low-to-moderate temperature (e.g., 300-325°F) for 20-30 minutes, or until golden brown and crispy. Stir occasionally to ensure even cooking.
- Cool and Store: Allow the seeds to cool completely before storing them in an airtight container for up to two weeks.
Conclusion: No Clear Winner, Just Excellent Nutrition
When comparing which is healthier, pumpkin seeds or squash seeds, the answer is that both are incredibly healthy, and the best choice depends on your specific needs or preference. Pumpkin seeds might have a slight advantage in magnesium and zinc content, while some squash seeds can offer more fiber, particularly with the hull intact. Ultimately, both are packed with protein, healthy fats, and essential minerals that contribute to overall wellness. Incorporating a variety of seeds into your diet is the best way to reap the benefits of all they have to offer. Whether you choose the well-known pumpkin seeds or save the seeds from your next butternut squash, you're making a smart, nutritious choice. You can also check out Healthline's guide for more information on the benefits of pumpkin seeds.