Broccolini
Food · Vegetable · Food, Typed Supps
Broccolini is a friendly veggie hybrid with crunchy stems and a mild taste, and it packs a big dose of vitamin C and vitamin K into every bite.
Stage by stage
- Chewing & Prep (Mouth): Chewing breaks open broccolini's cell walls, releasing the enzyme myrosinase, which begins converting glucosinolates into sulforaphane and other bioactive isothiocyanates.
- Acid Breakdown (Stomach): Stomach acid breaks down the vegetable's fiber matrix, freeing vitamin C, folate, and minerals for absorption further down the digestive tract.
- Nutrient Absorption (Small intestine): In the small intestine, water-soluble vitamin C and folate absorb directly into the bloodstream, while fat-soluble vitamin K is packaged with dietary fat into micelles for uptake.
- Liver & Tissue Use (Liver): The liver uses absorbed vitamin K to activate blood-clotting factors, while vitamin C is delivered to tissues throughout the body to support collagen synthesis and immune function.
Timing
Pair broccolini with a source of fat, such as olive oil, nuts, or cheese, to improve absorption of its fat-soluble vitamin K.
Time to effect
- Days to Weeks: Vitamin C from a serving of broccolini can raise blood levels within hours, while vitamin K's practical effect on clotting-factor activity stabilizes over roughly one to two weeks of consistent intake.
Allergens
None of the fourteen major allergens. Derived from what this food is, not from a product label.
Eating patterns
Fits: Vegan, Vegetarian, Pescatarian, Halal, Kosher, Keto, Gluten-free. Depends on the product: Low-FODMAP.
In season
June to November in the northern hemisphere, December to May in the southern.
Satiety
The satiety index is measured on 240 kcal servings. At 30 kcal per 100 g that is 789 g of this, which is not a serving anyone eats — so the index has nothing to say about it.
Environmental footprint
0.5 kg CO2e and 76 litres of freshwater per kg, matched to "Brassicas" in Poore & Nemecek (2018), Science 360.
Cost band
Cheap — roughly £2.5 per kg, as a band midpoint rather than a price.
Key nutrients
Nutrition per 100g
- Calories: 30.4
- Protein: 3.3g
- Carbohydrate: 2.1g
- of which sugars: 1.4g
- Fat: 0.4g
- of which saturated: 0g
- Fibre: 2.6g
- Sodium: 16mg
Food vs. supplement
Broccolini delivers vitamin C, vitamin K, fiber, and glucosinolate-derived compounds like sulforaphane precursors together, a combination no single-nutrient supplement replicates.
Kitchen tip
Trim any tough, dry stem ends and roast or steam broccolini whole -- stems and florets together -- for 5-8 minutes; its thin stalks cook faster than a regular broccoli crown's thick stem.
Common myth
"Broccolini is just baby broccoli." In reality: Broccolini is a distinct hybrid of broccoli and Chinese broccoli (gai lan), bred over about eight years by Japan's Sakata Seed Company and first marketed in the 1990s -- not an immature broccoli plant -- though it shares a broadly similar nutrient profile, including notable vitamin C (roughly 76 mg per 100g raw) and vitamin K (about 85% of the Daily Value per 100g raw).
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