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Is Squash High In Vitamin K? | Vitamin K Counts By Type

Yes, squash has vitamin K, but most servings land in the single digits, so it’s a modest source.

Squash shows up in weeknight dinners for one plain reason: it’s easy. It roasts well, it turns silky in soups, and it plays nice with spice blends. Then someone checks a label, starts logging nutrients, and asks the same thing you’re asking: is squash high in vitamin k?

If you’re watching vitamin K because you track nutrients, you take warfarin, or you’re trying to keep your intake steady, the details matter. “Squash” isn’t one food. Zucchini, butternut, hubbard, and spaghetti squash can differ, and the number changes with the form and the serving size.

Vitamin K In Squash Quick Comparison

The table below uses USDA vitamin K (phylloquinone, or vitamin K1) values in common household measures. It’s the quickest way to see what you’re dealing with before you plan meals.

Squash type Typical measure Vitamin K (mcg)
Zucchini (raw, with skin) 1 cup, chopped 5.3
Zucchini (frozen, cooked, drained) 1 cup 9.4
Winter squash (all varieties, cooked, baked) 1 cup, cubes 9.0
Winter squash (all varieties, raw) 1 cup, cubes 1.3
Butternut squash (cooked, baked) 1 cup, cubes 2.0
Hubbard squash (baked) 1 cup, cubes 3.3
Hubbard squash (boiled, mashed) 1 cup, mashed 2.4
Spaghetti squash (cooked, drained or baked) 1 cup 1.2
Spaghetti squash (raw) 1 cup, cubes 0.9

To put those numbers in context, the FDA Daily Value for vitamin K on Nutrition Facts labels is 120 mcg per day. That means a 1-cup serving at 9 mcg is about 8% of the Daily Value, while a 1-cup serving at 2 mcg is under 2%.

Is Squash High In Vitamin K?

For most people, the honest answer is “not much.” Squash contains vitamin K, and it can add up across a full day of eating, but it’s not a standout vitamin K food the way leafy greens are. If your meals already include salads, greens, or broccoli, squash is usually a small slice of your total overall.

So why does this question keep coming up? Two reasons. First, vitamin K is tied to blood clotting, and big swings matter for people on warfarin. Second, vitamin K is listed on labels in micrograms, and micrograms feel tiny and abstract. A change from 2 mcg to 9 mcg can look like a jump, yet it’s still a small share of 120 mcg.

Is squash high in vitamin k by type and serving size

Variety is the whole game. “Squash” is a family name, not one nutrient profile. Summer squash like zucchini trends higher than some winter squash types in the USDA listings above, and mixed “winter squash, all varieties” can sit higher than butternut when measured as cooked cubes.

Serving size is the other lever. Plenty of people treat squash as the starch on the plate. One cup turns into two cups fast. That’s still not a vitamin K bomb, but it’s enough to matter if you’re trying to keep day-to-day vitamin K steady.

Quick math that helps

Here’s a simple way to think about it without a calculator. Start with 120 mcg as the Daily Value. Then:

  • 10 mcg is roughly one-twelfth of the Daily Value.
  • 5 mcg is roughly one-twenty-fourth.
  • 2 mcg is roughly one-sixtieth.

If you eat two cups of a squash that runs 9 mcg per cup, that’s around 18 mcg for the dish. It’s still not in leafy-green territory, but it’s a clear number you can log and move on.

Why Vitamin K Counts Shift In Real Life

If you’ve ever checked two trackers and gotten two answers, you’re not losing it. Nutrient databases draw from food samples, and squashes vary. Prep style changes water content, and water content changes nutrient density per cup. Then brands step in with frozen blends, canned purées, and ready meals.

Raw vs cooked can flip the numbers

Look at “winter squash, all varieties” in the table. Raw cubes list 1.3 mcg per cup, while cooked cubes list 9.0 mcg. That gap doesn’t mean cooking creates vitamin K. It usually means the cooked cup is denser because the squash softens and packs into a cup measure.

Cut size and packing style matter

A “cup of cubes” can be airy or tightly packed. A “cup mashed” is tighter still. If you measure by volume, you’ll see swings. If you measure by weight, you’ll get steadier tracking. That’s one reason kitchen scales make nutrient tracking feel calmer.

Skin, seeds, and mixed dishes change the picture

Zucchini entries often say “includes skin,” and that’s how many people eat it. Peel it, and you may shave the number down. Mix squash with greens, herbs, or pesto, and vitamin K rises fast because those add-ins are stronger sources than the squash itself.

What Vitamin K Does And When The Number Matters

Vitamin K helps the body form proteins used for normal blood clotting. It’s also involved in bone metabolism. Most people get enough from food patterns that include a mix of vegetables.

If you take warfarin, steadiness matters more than chasing a target. Big day-to-day swings in vitamin K intake can affect how the medication works. The NIH Office of Dietary Supplements notes this in its vitamin K consumer fact sheet. If you’re on a blood thinner, ask your prescriber what “consistent” should look like for you before you change your usual plate.

If you’re using labels, the reference point is the FDA’s Daily Value table, which lists vitamin K at 120 mcg. Daily Values are label tools, not personal prescriptions, but they help you read numbers fast.

How To Eat Squash While Keeping Vitamin K Steady

You don’t need to ditch squash to keep vitamin K predictable. You just need a repeatable pattern. These moves work well for people who like structure without turning meals into homework.

Pick one “default” portion

Decide what “a serving” means in your kitchen. Many people land on 1 cup cooked cubes or 1 cup cooked strands. Stick with that for a week. If you want seconds, take seconds on most days, not just once in a while.

Keep the add-ins consistent

Squash itself often isn’t the big driver. The add-ins are. A handful of chopped parsley, a big scoop of spinach, or a side salad can dwarf the vitamin K in the squash. If you add greens to squash soup, do it the same way each batch so the number doesn’t swing.

Use a “same-day swap” rule

If you skip your usual salad at lunch, you can still eat squash at dinner without stress. If you add a double portion of greens at lunch, keep dinner simpler. This isn’t about perfect math. It’s about avoiding sudden spikes.

Cooking And Prep Choices That Affect Vitamin K Tracking

Vitamin K is fat-soluble, so it tends to stay in the food rather than leach away like some water-soluble vitamins. Still, the way squash is prepped changes how much ends up in a measured cup and how easy it is to log. This table is a practical cheat sheet for common kitchen moves.

Kitchen choice What changes Tracking tip
Roasting cubes Water cooks off, cubes pack tighter Measure after cooking for repeatable cups
Boiling then draining Texture softens, volume shrinks Log the drained portion, not the pot volume
Mashing or puréeing Density rises per cup Use a scale if you want steadier entries
Leaving zucchini skin on Whole-veg entry matches most databases Use “with skin” entries when possible
Frozen squash blends Brands vary by cut and mix Use the label or the brand entry in your tracker
Adding leafy greens or herbs Vitamin K can jump fast Keep the greens portion steady batch to batch
Restaurant squash sides Portions swing and mixes are unknown Treat it as a bigger serving and keep the day steady

Squash Picks If You Want Lower Or Higher Vitamin K

If your goal is simply “don’t surprise myself,” you can choose squash types that tend to land lower in vitamin K per cup. Spaghetti squash and butternut squash often sit low in the USDA listings above. Zucchini and mixed winter squash entries can run higher per cup.

Still, keep perspective. Even the higher cup values in the table are a small fraction of the Daily Value. That’s good news if you like squash and you’d rather not micromanage it.

Common Tracker Entry Traps With Squash

Most “weird” vitamin K logs come from mismatched entries. A tracker may list squash by weight, while you measured by cups. Or it may group “winter squash” together when you ate a single variety. Recipe entries can also hide greens or herbs, so scan ingredients before you assume it’s squash alone.

To keep your numbers tidy, try this:

  • Match the form: raw, cooked, frozen, or canned.
  • Match the measure: cups with cups, grams with grams.
  • Pick one entry you trust, then stick with it for that food.

Once you’ve done that, squash becomes an easy log. The day-to-day swing is usually smaller than it feels on the screen.

Squash And Vitamin K Checklist

  • If you’re asking “is squash high in vitamin k?”, start with the cup you actually eat.
  • Use the same cooking style most days so your “cup” stays comparable.
  • Watch the add-ins more than the squash: greens and herbs can swing the total.
  • If you take warfarin, aim for steady vitamin K day to day and check in with your prescriber before big diet shifts.
  • When in doubt, weigh your serving once or twice, then reuse that number.
Mo Maruf
Founder & Lead Editor

Mo Maruf

I created WellFizz to bridge the gap between vague wellness advice and actionable solutions. My mission is simple: to decode the research and give you practical tools you can actually use.

Beyond the data, I am a passionate traveler. I believe that stepping away from the screen to explore new environments is essential for mental clarity and physical vitality.