🌿 Spinach - Source of Iron and Nitrates

📊 Nutritional Table (100 g)

Below is the detailed nutritional value per 100 grams spinach for sports.

* RDA - Recommended Daily Allowance (EU Regulation 1169/2011). Percentages are calculated for an adult. Athletes' needs may be higher.

💪 Benefits for Athletes

Here are the main spinach for sports benefits in an athlete's nutrition:

• Nitrates — converted in the body into nitric oxide, which dilates blood vessels; this is why nitrate-rich foods are often mentioned in endurance nutrition
• Iron - although plant-based, the abundant amount helps prevent anemia
• Vitamin K - for bone mineralization
• Lutein and zeaxanthin - for eye health

🍳 How to Prepare

The best ways to prepare spinach for sports, while preserving maximum nutritional value:

1. Fresh in Salads: with chicken, avocado, nuts
2. Sautéed: 2-3 min with garlic and olive oil
3. In a Smoothie: with bananas, apples, ginger - a green smoothie

⚡ When to Eat?

At any time. In a smoothie before training for nitrates. After training - in a salad.

🔄 Substitutions and Alternatives

Best alternatives spinach for sports:

Kale (leafy cabbage), arugula, chard, broccoli

💡 Tips

• Combine with vitamin C - it improves the absorption of plant-based iron
• Fresh spinach has more vitamin C, cooked spinach - more iron
• Wash before use - there may be sand
• Frozen spinach is perfect for stews - convenient

🌿 Why Spinach Is Valuable

Spinach is one of the lowest-calorie vegetables (about 23 kcal per 100 g), yet rich in micronutrients: vitamin K, folic acid, vitamin A, magnesium and iron. It also contains nitrates, which the body uses to produce nitric oxide — this substance participates in blood vessel relaxation. Therefore, spinach is often included in athletes' diets as a light, nutrient-rich product that can be eaten in large quantities without exceeding the calorie budget.

🥗 How to Include It in Your Diet

• Fresh in Salads: with chicken, avocado and nuts.
• Sautéed: just 2–3 minutes with garlic and a drizzle of oil — spinach shrinks a lot.
• In Smoothies: with banana, apple and ginger.
• In Omelettes and Stews: stir in at the very end so that the texture remains.
• For a Snack: fresh leaves with yogurt dressing or hummus.

🕐 When to Eat

Spinach can be eaten at any time of day. It is light, so it is suitable both before and after training. Vitamin C helps improve the absorption of iron from plant foods, so spinach is worth combining with peppers or citrus fruits. Note that spinach contains oxalates, which can reduce the absorption of some minerals — that is why variety matters, rather than only spinach every day.

⚠️ What to Watch Out For

• Washing: spinach often comes with sand, so wash it before use.
• Fresh vs. Cooked: fresh spinach has more vitamin C, while cooked spinach takes up less space.
• Frozen Spinach: convenient for stews and smoothies, nutritional value remains close.
• Stacking: alternate with broccoli and salads, so that you get a variety of nutrients.

🙋 Frequently Asked Question

Is spinach high in iron? Yes, it contains a fair amount of iron, but it is plant-based and absorbed less well than from meat. To improve absorption, combine it with a source of vitamin C and avoid drinking tea or coffee immediately after a meal.

A serving of spinach can be large — one handful of fresh leaves weighs little, so it is easy to increase the volume of a dish with almost no added calories. This is especially useful during weight loss when you want large portions with few calories. Cooked spinach shrinks a lot, so it is convenient to stir into omelettes, soups and stews.

To keep spinach fresh, store it dry in the refrigerator and wash it only just before use. If the leaves begin to wilt, they can still be used in stews or smoothies — the taste and nutritional value often remain suitable.