Pure Power of Kale in Every Stick

Meet OnlyKale's Kale Lab—your daily dose of green goodness made simple. Get personalized recommendations for freeze-dried kale packets, science-backed education, and convenient OnlyKale Sticks that fit your busy lifestyle—then stock up in one click.

Calculate your kale, your way.

Answer a few quick questions (your goals, your typical meals, your "I'll actually do this" level), and our calculator estimates how to fit kale into your routine—without forcing salads for every meal.

Your Personalized Kale Plan

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Nutrition estimates use public nutrient data sources; this tool is educational and not medical advice. We reference USDA nutrient data as the baseline for calculations.

Only 1 Ingredient … Kale.

Yes, really – it's all about kale! This leafy green vegetable is a true nutritional powerhouse from USA-grown farms. Our freeze-dried OnlyKale Sticks contain no additives, chemicals, or preservatives – just pure kale packed with vitamins, minerals, and antioxidants to support your well-being.

Rich in Essential Nutrients

Loaded with vitamins A, C, and K, plus minerals like calcium, potassium, and magnesium. High in fiber yet low in calories.

Antioxidant Powerhouse

Contains powerful antioxidants including quercetin and kaempferol, which help protect your cells and support immune function.

Eye Health Support

Rich in lutein, zeaxanthin, and vitamin A to support healthy vision and eye function.

All the upside. None of the prep.

We understand the hoops needed to incorporate healthy habits into busy lives. Between unpredictable schedules and long days, it's easy to fall short on greens. OnlyKale Sticks travel well and work even better - just pure, freeze-dried nutrition that helps you stay consistent wherever life leads.

The Kale Research Library

We summarize what leading institutions and evidence-based nutrition sources say about kale, cruciferous vegetables, and key nutrients—then translate it into practical takeaways you can use.

Kale Nutrition Facts & Serving Sizes

Complete kale nutrition breakdown: 33 calories, 704mg vitamin K, 15,376 IU vitamin A per 100g. Raw vs cooked kale nutrition comparison.

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Vitamin K in Kale: Daily Requirements

Kale contains 704.8 mcg vitamin K per 100g - nearly 9x daily needs. Blood thinner interactions, bone health benefits, daily safe amounts.

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Cruciferous Vegetables: Kale vs Broccoli vs Spinach

Why kale beats spinach and broccoli in vitamin K, lutein, and antioxidants. Glucosinolate content comparison across cruciferous vegetables.

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Lutein & Zeaxanthin in Kale for Eye Health

Kale contains 39.6mg lutein + zeaxanthin per 100g - more than spinach or corn. Age-related macular degeneration prevention research.

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Articles, recipes, and real-life uses

Daily Kale Recipes: 7 Ways to Eat Kale Every Day

Easy kale recipes for breakfast, lunch, dinner. Kale smoothie recipes, kale pasta, kale soup - no bitter taste guaranteed. Week-by-week kale meal plan.

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Green Smoothie Recipes with Kale (No Bitter Taste)

Best kale smoothie combinations: banana-berry-kale, tropical kale smoothie, chocolate kale smoothie. How to make kale taste good in smoothies.

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Hidden Kale Recipe Collection: Soups, Sauces & Pasta

Kale soup recipes, kale pesto recipe, kale pasta dishes. How to cook with kale powder - add nutrition without changing taste in any recipe.

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Complete Kale Nutrition Facts Per 100g Serving

Macronutrients

Calories: 33
Carbs: 6.3g
Fiber: 3.6g
Protein: 4.3g
Fat: 0.9g

Vitamin K Powerhouse

Vitamin K: 704.8 mcg
(880% daily value)
More than any other vegetable

Eye Health Nutrients

Lutein + Zeaxanthin: 39.6mg
Vitamin A: 15,376 IU
Beta-carotene: 9,226 mcg

Antioxidant Content

Vitamin C: 93.4mg
Quercetin: High levels
Kaempferol: Present

Raw Kale vs Cooked Kale Nutrition

Raw kale contains higher vitamin C levels, while lightly steamed kale increases beta-carotene absorption by up to 6x. Massaging raw kale breaks down tough fibers and reduces oxalate content.

Vitamin K in Kale: Everything You Need to Know

How Much Vitamin K is in Kale?

One cup of raw kale (67g) contains 472 mcg of vitamin K1 (phylloquinone) - that's 590% of the daily recommended intake. This makes kale the highest vitamin K food source available.

Kale Vitamin K vs Other Vegetables

Blood Thinner Interactions with Kale

If taking warfarin or other vitamin K-sensitive medications, maintain consistent kale intake rather than avoiding it completely. Consult your healthcare provider for personalized guidance.

Kale vs Spinach vs Broccoli: Nutritional Comparison

Nutrient (per 100g) Kale Spinach Broccoli
Vitamin K 704.8 mcg 483 mcg 101 mcg
Lutein + Zeaxanthin 39.6 mg 12.2 mg 1.4 mg
Vitamin C 93.4 mg 28.1 mg 89.2 mg
Oxalate Content 17 mg 970 mg 0.4 mg

Winner: Kale for vitamin K, lutein, and low oxalates. Kale contains 57x less oxalates than spinach, making it safer for kidney stone prevention.

Frequently Asked Questions About Kale Nutrition

How much kale should I eat daily?

The recommended daily kale serving is 1-2 cups raw (67-134g) or 1/2-1 cup cooked. This provides 400-800% of daily vitamin K needs. Start with smaller amounts if you're not used to high-fiber foods.

Is kale better raw or cooked for nutrition?

Both have benefits. Raw kale retains more vitamin C and folate. Cooked kale increases beta-carotene absorption and reduces goitrogens. Lightly steamed for 2-3 minutes offers the best balance.

Can you eat too much kale?

Very high kale consumption (multiple cups daily) may interfere with thyroid function in sensitive individuals and provide excessive vitamin K for those on blood thinners. Moderation is key - 1-2 cups daily is optimal for most people.

Why does kale taste bitter and how to fix it?

Kale's bitterness comes from glucosinolates and calcium oxalate crystals. Massage raw kale with salt, blanch briefly, or choose baby kale varieties. Adding acidic ingredients (lemon, vinegar) also reduces bitterness.

What's the difference between kale and spinach nutrition?

Kale contains 46% more vitamin K, 3x more lutein for eye health, and 57x less oxalates than spinach. Spinach has more folate and iron. Kale is better for bone health and eye protection; spinach for blood health.

Is kale powder as nutritious as fresh kale?

Freeze-dried kale powder retains 95%+ of nutrients including vitamin K, lutein, and antioxidants. It's more concentrated than fresh - 1 teaspoon powder equals about 1/3 cup fresh kale. Convenience without nutrient loss.

What are the proven health benefits of eating kale daily?

Research supports kale's benefits for bone health (vitamin K), eye health (lutein/zeaxanthin), heart health (potassium, fiber), and antioxidant protection (quercetin, kaempferol). May help with blood pressure, cholesterol, and inflammation.

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