Most cranberry foods contain low vitamin K, with raw berries staying low while sweetened dried berries, sauces, and mixes can shift based on ingredients and serving size.
Cranberries sit in a funny spot in nutrition talk. People think “fruit” and assume vitamins are either sky-high or close to zero. The truth is calmer. Cranberries do have vitamin K. It’s just not a big hitter the way leafy greens are.
If you’re asking because you track vitamin K for a reason—like steady intake while taking warfarin—or you’re scanning foods to hit daily targets, you’re in the right place. This breaks down what vitamin K is, where cranberry fits, why cranberry products vary so much, and how to read labels without guessing.
Does Cranberry Have Vitamin K? What to know before you count it
Vitamin K is a fat-soluble vitamin that your body uses for normal blood clotting. It’s grouped into K1 (phylloquinone) and K2 (menaquinones). Many foods list vitamin K as “vitamin K” without splitting types.
For most people eating a mixed diet, vitamin K is a “quiet” nutrient. You don’t feel it kick in like caffeine. You don’t crave it like salt. Still, it matters when you’re balancing medication or when your diet leans hard on foods that swing vitamin K up and down.
The NIH Office of Dietary Supplements (ODS) sets Adequate Intake (AI) targets for vitamin K at 120 micrograms per day for adult men and 90 micrograms per day for adult women. Those targets give you a practical yardstick for judging whether a food is a small nudge or a big chunk. NIH ODS vitamin K fact sheet lays out the AI numbers, how vitamin K works in the body, and medication notes.
Where cranberry fits on the vitamin K spectrum
On the vitamin K “food map,” cranberries live on the low end. That’s true for raw cranberries and for many cranberry items that stay close to the fruit.
So why do people still worry about it? Two reasons. One, cranberry shows up in products you can snack on fast—dried berries, juice blends, cranberry sauces, trail mixes. You can eat a lot without noticing the serving size. Two, some cranberry products bring in ingredients that carry more vitamin K than the cranberry itself, like added vegetable ingredients in blends or fortified formulations.
The clean takeaway: cranberry can contain vitamin K, yet cranberry is not a common “high vitamin K” food. When you see vitamin K moving in a cranberry product, it’s often the product format and recipe doing the work.
Why cranberry vitamin K changes by product
Raw cranberries are mostly water and fiber, with a tart punch. The vitamin K content in the fruit is low enough that serving size is usually the main driver.
Dried cranberries are a different story. Drying concentrates many nutrients per gram because water is removed. At the same time, most dried cranberries sold in stores are sweetened. Sugar boosts calories and changes how much you eat in one sitting. That doesn’t add vitamin K by itself, yet it can change your total intake because the portion creeps up.
Cranberry juice is the most variable of the bunch. One bottle might be 100% juice. Another might be a “juice drink” with a small percentage of cranberry juice plus apple or grape juice. Another might include added ingredients. Vitamin K can swing with those recipes, and the label often won’t list vitamin K at all unless it’s added.
That label detail surprises a lot of readers. Under FDA nutrition labeling rules, vitamin K is not one of the required vitamins on the Nutrition Facts label unless it’s added as a nutrient ingredient. So you can’t rely on the panel to confirm vitamin K content in most foods. 21 CFR 101.9 nutrition labeling rule is the regulation behind what must appear on labels.
How to get a solid number when the label won’t show it
If you want a credible baseline, use a food composition database that publishes nutrient values from tested foods. In the U.S., the standard reference many tools draw from is USDA FoodData Central. It’s where many nutrition apps and food databases get their backbone numbers. USDA FoodData Central cranberry search lets you pull entries for raw cranberries and many related foods.
Here’s the practical workflow:
- Pick the closest match to what you eat (raw fruit, sweetened dried, canned sauce, juice).
- Check the serving size used in the entry, then match it to your portion.
- Stick with one “standard” entry for tracking so your numbers stay steady week to week.
This approach is extra useful for people taking warfarin. What usually matters most is steady vitamin K intake, not hunting for a perfect zero. Big swings can throw off INR results. The American Heart Association has a warfarin handout that explains why steady vitamin K intake is a smarter target than eliminating vitamin K foods. AHA warfarin and vitamin K food list is a simple reference.
What “low vitamin K” means in real servings
Numbers matter, yet so does context. A food can be “low vitamin K” and still contribute to your daily intake when you eat it often. Cranberry is that kind of food. It’s not a vitamin K anchor like kale. It can be a small add-on that becomes noticeable when stacked across snacks and drinks.
If your goal is to raise vitamin K from food, cranberries won’t move the needle much on their own. If your goal is to keep vitamin K steady, cranberries are often easier to manage than many green vegetables. The part that trips people up is the product form: dried snacks, juices, mixed items, and serving sizes that drift upward.
So let’s get specific about the formats people eat.
Common cranberry forms and what drives their vitamin K
The table below doesn’t repeat a label line-by-line. It shows what changes vitamin K exposure when you move from raw berries to packaged foods.
| Cranberry form | Typical serving | What changes vitamin K most |
|---|---|---|
| Raw cranberries | 1/2–1 cup | Portion size and how often you eat them |
| Frozen cranberries | 1/2–1 cup | Close to raw fruit if no added ingredients |
| Unsweetened dried cranberries | 1/4 cup | Concentration from drying; small servings add up fast |
| Sweetened dried cranberries | 1/4 cup | Concentration plus snack-sized portions that drift larger |
| Cranberry juice (100% juice) | 8 oz | Brand recipe and how much you drink in a day |
| Cranberry juice drink (blends) | 8 oz | Juice mix ingredients; cranberry percentage can be low |
| Canned cranberry sauce | 2 Tbsp–1/4 cup | Recipe, added sweeteners, and holiday-style large servings |
| Homemade cranberry sauce | 2 Tbsp–1/4 cup | Fruit amount per batch and added ingredients |
| Trail mix with cranberries | 1/4 cup | What else is in the mix (nuts, greens, added components) |
Simple ways to keep intake steady with cranberry foods
If you want steadiness, the win is routine. Pick one cranberry format that you eat most days, measure it the same way, and keep it consistent. If you switch brands or formats, adjust the portion and hold that new pattern steady.
These steps keep the guesswork down:
- Keep one default portion. Put it in a measuring cup once. Then you’ll recognize it by sight.
- Track the format, not the flavor. “Dried cranberries” and “cranberry raisins” can look alike. Nutrition can differ.
- Watch the drink size. Bottles and tumblers rarely match 8 ounces.
- Log mixed foods by recipe. A smoothie with cranberry plus greens is not a “cranberry smoothie” in vitamin K terms.
If you take warfarin, sudden food swings are often the bigger issue than any single serving of a low vitamin K fruit. Your prescribing clinician typically wants your intake stable, then your dose is adjusted around that steady pattern. The NIH ODS fact sheet notes the interaction between vitamin K and warfarin and why consistency matters. NIH ODS vitamin K fact sheet is the authoritative summary.
When cranberry products can surprise you
Cranberry itself is usually not the surprise. The “surprise” shows up when cranberry is paired with other ingredients, or when the portion becomes bigger than you think.
Here are the patterns that change the math:
- Smoothies and green blends. If the drink includes spinach, kale, or similar greens, vitamin K can jump.
- Snack grazing. A handful of dried cranberries can turn into several handfuls.
- Holiday servings. Cranberry sauce servings can creep from a spoonful to a small bowl.
- “Healthy mix” snacks. Some mixes add vegetable ingredients or herb-heavy seasonings.
If you want a clean baseline, stick to raw or frozen cranberries, or measure dried cranberries with a tablespoon. If you want to keep juice in the rotation, pick one brand and one serving size and keep that habit steady.
Practical portion cues that keep you honest
Portion talk can feel annoying until you see how it fixes the whole problem. You don’t need to weigh every bite. You need repeatable cues.
Try these:
- For dried cranberries: 1 tablespoon is a tidy add-in for oats, yogurt, or salads.
- For sauce: start with 2 tablespoons, then stop and taste your plate before adding more.
- For juice: pour into a measuring cup once, then mark your glass at that fill line.
Those cues matter because vitamin K is a daily pattern nutrient. Your body uses it as part of a steady system, so your tracking works better when your portions are steady too.
Quick comparisons that put cranberry in perspective
People often ask, “Is cranberry high vitamin K?” The clean answer is that cranberry is typically low compared with the foods that dominate vitamin K intake. Leafy greens and certain vegetable oils tend to be the heavy hitters.
The table below shows the kind of comparison that helps you decide what to watch. It’s not a list of every food. It’s a “what usually drives the day” snapshot.
| Food group | Typical vitamin K pattern | What to do if you track vitamin K |
|---|---|---|
| Leafy greens (kale, spinach, collards) | Often high per serving | Keep portions consistent if you eat them often |
| Cruciferous vegetables (broccoli, Brussels sprouts) | Often moderate to high | Measure servings during weeks you eat them frequently |
| Fruits (including cranberries) | Often low per serving | Track portion drift in dried fruit and juices |
| Mixed drinks and smoothies | Can swing widely | Log ingredients, not the drink name |
| Packaged snacks and mixes | Depends on recipe | Stick with one brand when stability is the goal |
Vitamin K label reality check
Many people expect “Vitamin K: X%” on the Nutrition Facts label. Most of the time, it won’t be there. Under FDA rules, vitamin K is not required on the label unless it’s added to the food as a nutrient ingredient. So when you’re shopping, the absence of vitamin K on the panel doesn’t mean the food has none. It means it’s not a required line item for that label. 21 CFR 101.9 is the formal reference for what labels must include.
That’s why food composition databases matter for vitamin K tracking. You’re not doing anything wrong if the label doesn’t show it. You just need a different source for the estimate.
Smart choices by goal
Goal: Keep vitamin K steady
Raw or frozen cranberries are usually the easiest to keep consistent. Dried cranberries can work too if you measure them. Juice can fit if you pick one brand and stick to one serving size.
Goal: Raise daily vitamin K intake from food
Cranberry won’t do much heavy lifting here. If you want more vitamin K through diet, foods that commonly carry more vitamin K per serving tend to be green vegetables. Use cranberry as a flavor tool, not as your main source.
Goal: Manage warfarin diet swings
A steady pattern beats a perfect number. If cranberry is part of your regular meals, keep your portions steady. If you add a new cranberry habit—like a daily juice—hold it steady and let your care team dose around your pattern. The American Heart Association warfarin handout explains why stability is a useful target.
One last check before you change your routine
If you’re on warfarin, big diet shifts can affect INR. If you plan to add greens, cut greens, start a daily smoothie, or make cranberry juice a daily habit, it’s smart to time that change with your usual INR schedule so adjustments are based on your real routine.
If you’re not on warfarin, cranberry’s vitamin K is rarely a sticking point. The bigger nutrition questions with cranberry products are often added sugar in dried cranberries and juice drinks, plus portion size. Vitamin K is still part of the story, just not the headline.
If you want to check a specific cranberry product, start with USDA FoodData Central, match the entry to your product type, then keep your serving steady. That’s the cleanest way to make the numbers behave.
References & Sources
- NIH Office of Dietary Supplements (ODS).“Vitamin K — Health Professional Fact Sheet.”AI targets, vitamin K forms, and notes on warfarin interaction and labeling details.
- USDA FoodData Central.“Cranberries search in FoodData Central.”Database entry point for nutrient values across cranberry forms and products.
- U.S. Food and Drug Administration (FDA).“21 CFR 101.9 — Nutrition labeling of food.”Defines which nutrients are required on Nutrition Facts labels and why vitamin K often is not listed.
- American Heart Association (AHA).“Warfarin and Vitamin K.”Explains steady vitamin K intake for people taking warfarin and flags higher-vitamin-K foods.