Vegetable Nutrition
Comprehensive nutrition guides for every vegetable — iron, folate, vitamins, antioxidants, and the research-backed reasons to eat more of them. No fluff, just what the evidence actually shows.

Tomatoes: Nutrition, and the Lycopene Cooking Effect
A real study found cooking tomatoes in oil increased lycopene absorption by 82% — without the oil, the increase was barely measurable at all.

Onion: Nutrition, and the Real Reason It Makes You Cry
Onion's quercetin absorbs into your body twice as well as the same compound from tea — but the real science story is why cutting one makes you cry.

Sweet Potato: Nutrition, and the Glycemic Index Myth
'Sweet potato is always lower GI than regular potato' isn't quite true — how you cook it changes the number more than which potato you pick.

Carrots: Nutrition, and Why Cooked Actually Beats Raw
A real study found women absorbed 3x more beta-carotene from cooked carrots than raw ones — the opposite of what 'raw is always healthier' assumes.

Garlic: Nutrition, and Why Crushing It Right Actually Matters
Crushing garlic and letting it sit for 5-10 minutes before cooking genuinely changes its chemistry — boiling it straight away can cut its allicin by 90%.

The Vegetables Worth Eating Most Often, and What Each One Actually Does
Twenty vegetables worth keeping in regular rotation, grouped by what they actually offer — with the honest research, not the usual vague claims.

Kale Nutrition: Why Its Calcium Beats Spinach, and the Vitamin K Warning
Kale's calcium is absorbed far better than spinach's, thanks to lower oxalate content — but its huge vitamin K load matters if you're on blood thinners.

Spinach: Nutrition Facts, Health Benefits, and How to Use It
Spinach packs iron, folate, and nitrates worth knowing about — plus a few real risks. Here's the full nutrition picture, USDA data, and how to cook it right.

Broccoli Nutrition: Sulforaphane, and Why How You Cook It Matters
Broccoli's most-researched compound, sulforaphane, can drop by 90% depending on how you cook it. Here's the science, plus the thyroid myth worth retiring.