In this article
- Jalapeno fiber per pepper, cup and gram
- Jalapeno pepper nutrition: the vitamin C surprise
- Seeds out, or from a jar: what changes
- Jalapenos vs other peppers and spicy vegetables
- A spicy burrito bowl, counted
- Fiber foods that pair well with jalapenos
- Jalapenos on a low carb plate
- How jalapenos fit your daily fiber
- What the fiber in jalapenos does
- Fresh, seeded or pickled: a quick rule
- One thing to try today
- What people ask about jalapeno fiber
- Sources
One jalapeno has about 0.4 grams of fiber. A whole cup of sliced jalapenos, far more than most people eat in a sitting, has about 2.5 grams.
Gram for gram, jalapeno fiber is respectable at 2.8 grams per 100 grams, more than romaine or iceberg lettuce. The catch is portion size: you eat jalapenos by the slice, not by the bowl.
Jalapeno fiber per pepper, cup and gram
USDA FoodData Central lists raw jalapenos at 2.8 grams of fiber and 29 calories per 100 grams. Here’s what that looks like in the amounts people actually use.
| Jalapeno serving | Weight | Fiber | % DV (28 g) | Calories |
|---|---|---|---|---|
| 1 pepper | 14 g | 0.4 g | 1% | 4 |
| 3 peppers | 42 g | 1.2 g | 4% | 12 |
| 1 cup, sliced | 90 g | 2.5 g | 9% | 26 |
| 100 g | 100 g | 2.8 g | 10% | 29 |
| Pickled, 1/4 cup sliced | 26 g | 0.7 g | 2% | 7 |
For a spicy vegetable, the fiber per calorie is strong. Raw jalapenos deliver close to 10 grams of fiber per 100 calories, which beats a raw red bell pepper at about 8.
Still, nobody eats 100 calories of jalapenos. A realistic topping of two or three peppers brings about 1 gram of fiber, a small but useful addition to a meal that already has beans, vegetables or whole grains.
Jalapeno pepper nutrition: the vitamin C surprise
Fiber isn’t where jalapenos shine. A cup of sliced raw jalapenos (90 g) provides about:
| Nutrient | Amount | % Daily Value |
|---|---|---|
| Vitamin C | 107 mg | 119% |
| Vitamin B6 | 0.38 mg | 22% |
| Vitamin E | 3.2 mg | 21% |
| Vitamin K | 16.7 mcg | 14% |
| Fiber | 2.5 g | 9% |
| Potassium | 223 mg | 5% |
| Calories | 26 | n/a |
The vitamin C number is the real headline. Even a single 14 gram pepper carries about 17 mg of vitamin C, roughly 19% of the FDA’s 90 mg Daily Value, for 4 calories.
Vitamin E is a quieter bonus. At 3.58 mg per 100 grams, jalapenos carry about 24% of the 15 mg Daily Value by weight, though the small portion keeps the total modest.
The heat comes from capsaicin, the compound that makes chili peppers taste hot. It doesn’t add fiber or calories in any meaningful amount.
Seeds out, or from a jar: what changes
USDA has a separate record for jalapenos with the seeds removed, and it lists 1.73 grams of fiber per 100 grams and 24 calories. That’s noticeably lower than the 2.8 grams in whole raw jalapenos.
The two numbers come from different USDA datasets analyzed years apart, so they aren’t a perfect side by side test. It’s fair to expect a little less fiber from seeded peppers, but the exact gap isn’t settled.
Pickled jalapenos keep most of their fiber, at 2.6 grams per 100 grams. What changes is everything else.
- Vitamin C falls from 119 mg to 10 mg per 100 grams
- Sodium climbs from 3 mg to 1,671 mg per 100 grams
- A quarter cup of pickled slices carries about 434 mg of sodium, roughly 19% of the 2,300 mg Daily Value
If you like the tang of jarred slices, a few go a long way. For vitamin C, fresh peppers win easily.
Jalapenos vs other peppers and spicy vegetables
How do jalapenos stack up against the peppers and pungent vegetables they usually share a plate with? These figures come from USDA and the Dietary Guidelines for Americans.
| Food | Serving | Fiber | Calories |
|---|---|---|---|
| Jalapenos, raw | 1 cup sliced (90 g) | 2.5 g | 26 |
| Red bell pepper, raw | 1 cup chopped | 3.1 g | 39 |
| Onions, cooked | 1 cup | 2.9 g | 92 |
| Jalapenos, pickled | 1 cup sliced (104 g) | 2.7 g | 28 |
| Jalapeno, raw | 1 pepper (14 g) | 0.4 g | 4 |
Cup for cup, a red bell pepper edges out jalapenos for fiber, and it’s the pepper you can actually eat a cup of. Jalapenos make up for it with flavor and vitamin C per bite.
In a 2014 CDC published ranking of nutrient dense produce, red peppers placed 17th of 41 powerhouse fruits and vegetables. Jalapenos weren’t part of that study, so there’s no direct score to compare.
A spicy burrito bowl, counted
Say you build a lunch bowl with half a cup of black beans, half a cup of corn, a quarter cup of diced avocado and two sliced jalapenos on top.
| Ingredient | Fiber |
|---|---|
| Black beans, 1/2 cup | 7.5 g |
| Corn, 1/2 cup | 2.0 g |
| Avocado, 1/4 cup | 2.5 g |
| Jalapenos, 2 peppers | 0.8 g |
| Total | 12.8 g |
The jalapenos contribute less than a gram, yet the bowl lands near 13 grams of fiber, almost half the Daily Value. The beans do the heavy lifting, and the peppers make the beans worth eating.
That’s the honest role for jalapenos in a fiber plan: they make high fiber foods taste better. Salsa, chili and bean dips all get more appealing with a little heat.
Want more spicy bean bowls and chili ideas? Our recipe eBooks are packed with easy, high fiber meals.
Fiber foods that pair well with jalapenos
If jalapenos are the seasoning, these are the foods that carry the fiber. All figures come from the Dietary Guidelines list of fiber sources.
| Fiber food | Serving | Fiber | Spicy way to use it |
|---|---|---|---|
| Lentils, cooked | 1/2 cup | 7.8 g | Red lentil soup with jalapeno |
| Black beans, cooked | 1/2 cup | 7.5 g | Black bean chili |
| Brussels sprouts, cooked | 1 cup | 6.4 g | Roasted with chili flakes and lime |
| Chickpeas, cooked | 1/2 cup | 6.3 g | Spiced chickpea stew |
| Cauliflower, cooked | 1 cup | 4.9 g | Roasted with jalapeno and garlic |
| Okra, cooked | 1 cup | 4.0 g | Gumbo with a fresh pepper |
Any one of these brings more fiber than a dozen jalapenos. Pair a cup of roasted cauliflower with half a cup of lentils and you’re past 12 grams before the peppers are counted.
This is where spicy vegetables earn their keep. A little heat can turn a plain pot of beans into something you look forward to, and the fiber follows.
Jalapenos on a low carb plate
Raw jalapenos have 6.5 grams of carbohydrate per 100 grams, and 2.8 of those are fiber. That leaves about 3.7 grams of net carbs, the carbs your body digests.
Per pepper, the numbers are tiny: roughly 0.9 grams of total carbohydrate and about 0.5 grams net. Sugar comes to about 0.6 grams in one pepper.
For low carb eaters, that makes fresh jalapenos one of the easiest ways to add flavor without adding much to the daily count. Stuffed jalapeno halves, a popular low carb snack, get almost all their carbs and calories from the filling.
How jalapenos fit your daily fiber
Mayo Clinic suggests 21 to 25 grams of fiber a day for women and 30 to 38 grams for men. At about 0.4 grams per pepper, you’d need more than 50 jalapenos to reach even the low end of a woman’s target.
Mayo also notes that high fiber foods tend to be more filling and that fiber can help control blood sugar and lower cholesterol. Those benefits come from your total intake across the day, which is why the foods around the jalapenos matter most.
Wondering what your own daily target is? Our fiber calculator gives you a personal number in seconds.
What the fiber in jalapenos does
Like other vegetables, jalapenos contain fiber your body can’t digest. Mayo Clinic explains that soluble fiber forms a gel like material in water, while insoluble fiber helps material move through your digestive system.
Fiber also adds weight and softness to stool, which makes it easier to pass. A few jalapeno slices won’t change that much on their own, but they help when they nudge you toward beans and vegetables.
If you’re raising fiber across the board, Mayo recommends doing it gradually with plenty of water, since a sudden jump can cause gas, bloating and cramping.
If your gut needs an easier ramp up, our guides walk you through adding fiber step by step.
Fresh, seeded or pickled: a quick rule
If you want the most fiber and vitamin C, use fresh jalapenos with the seeds and ribs left in, as long as you enjoy the heat.
If you want milder flavor, remove the seeds and accept a little less fiber. If you’re watching sodium, skip the pickled jar or rinse the slices and use just a few.
One thing to try today
Add two fresh, sliced jalapenos to tonight’s pot of beans, chili or lentil soup. You’ll gain close to a gram of fiber and about a third of the day’s vitamin C from the peppers, and a pot of spicy beans is a lot easier to finish than a plain one.
Keep a few fresh peppers in the crisper drawer so they’re there when you need them. Slice them into eggs, stir them into hummus or scatter them over a pan of roasted vegetables, and let each spicy bite steer you toward the higher fiber foods on the plate.
If the heat is too much, start with half a pepper and the seeds removed, then add more as you get comfortable. The goal is a meal you enjoy enough to eat again, with beans or vegetables doing the fiber work.
What people ask about jalapeno fiber
How much fiber is in one jalapeno?
About 0.4 grams. A raw jalapeno weighs roughly 14 grams, and USDA lists 2.8 grams of fiber per 100 grams.
Are jalapenos high in fiber?
Not per serving. They have a solid 2.8 grams per 100 grams, but a typical portion of one to three peppers adds only 0.4 to 1.2 grams.
Do pickled jalapenos have fiber?
Yes. Pickled jalapenos have about 2.6 grams of fiber per 100 grams, close to fresh, but far more sodium and much less vitamin C.
How much vitamin C is in a jalapeno?
About 17 mg in one raw pepper, roughly 19% of the 90 mg Daily Value. A cup of slices has about 107 mg.
How many calories are in a jalapeno?
About 4 calories in one raw pepper and 26 calories in a cup of slices.
Do jalapeno seeds have fiber?
They appear to carry some. USDA lists seeded jalapenos at 1.73 grams of fiber per 100 grams versus 2.8 grams for whole raw jalapenos.
Are jalapenos good for weight loss?
They’re very low in calories, at about 4 per pepper. Their bigger value is making filling, high fiber foods like beans and vegetables more enjoyable.
Sources
- USDA Agricultural Research Service. FoodData Central: SR Legacy Peppers, jalapeno, raw (168576); Peppers, jalapeno, canned, solids and liquids (170080); Foundation Foods Peppers, jalapeno, seeded, raw (2747661). 2019 to 2026. fdc.nal.usda.gov
- U.S. Department of Agriculture and U.S. Department of Health and Human Services. “Food Sources of Dietary Fiber.” Dietary Guidelines for Americans, 2020 to 2025. dietaryguidelines.gov
- U.S. Food and Drug Administration. “Daily Value on the Nutrition and Supplement Facts Labels.” 2024. fda.gov
- Di Noia J. “Defining Powerhouse Fruits and Vegetables: A Nutrient Density Approach.” Preventing Chronic Disease, CDC. 2014. cdc.gov
- Mayo Clinic Staff. “Dietary fiber: Essential for a healthy diet.” Mayo Clinic. 2025. mayoclinic.org
