📊 Nutritional Table (100 g)
Below is the detailed nutritional value provided by 100 grams of the product.
| Nutrient | Amount (100 g) | % RDA |
|---|---|---|
| 🔥 Calories (Energy) | 64 kcal | -- |
| 💪 Protein | 3.3 g | -- |
| 🧈 Fats | 3.5 g | -- |
| 🍚 Carbohydrates | 4.8 g | -- |
| 🌾 Fiber | 0 g | -- |
| Calcium | 120 mg | 12% |
| Probiotics | various cultures | -- |
| Vitamin B12 | 0.3 µg | 13% |
| Phosphorus | 95 mg | 14% |
| Riboflavin (B2) | 0.17 mg | 15% |
* RDA - Recommended Daily Allowance (EU Regulation 1169/2011). Percentages are calculated for an adult. Athletes' needs may be higher.
💪 Benefits for Athletes
What kefir for sport contributes to an athlete's diet:
- The kefir culture mix is usually more diverse than that of yogurt
- Fermentation breaks down part of the lactose — the product is easier to tolerate than fresh milk
- Natural rehydration after training
- Low in lactose - suitable for mild intolerance
🍳 How to Prepare
The best preparation methods when you want to preserve as many nutritional properties as possible:
- Just drink it: cold after training
- Smoothie: with bananas, berries, spinach
- Cold kefir soup: cold beetroot soup with beetroots
⚡ When to Eat?
A glass after training conveniently replenishes fluids and protein. Before bed it works as a lighter dinner option.
🔄 Substitutions and Alternatives
What to Replace Them With kefir:
Greek yogurt, buttermilk, kombucha, sour milk
💡 Tips
- Choose natural, without additives
- Tolerance is determined by portion size, not habit — start with a small amount
- Consume once opened within 2–3 days
- Homemade kefir from grains — the same principle, but strict cleanliness is required
🥛 How It Differs from Other Fermented Products
| Product | Consistency | What is worth knowing |
|---|---|---|
| Kefir | Liquid, slightly carbonated | Fermented with a kefir culture mix, slightly sour |
| Greek Yogurt | Thick | Strained, so it has more protein per 100 g than regular yogurt |
| Regular yogurt | Medium thickness | Milder taste, usually less sour |
| Buttermilk | Liquid | Lean, convenient for smoothies |
| Sour milk | Liquid | Similar, but with different cultures |
Exact numbers depend on fat content and manufacturer, so compare labels, not just names (for comparison — buttermilk and Greek yogurt).
✅ Practical Rules
- Choose natural. Best when the ingredients are milk and ferments; sugar, flavorings and fruit syrups add calories without nutritional benefit.
- Fat content according to goal. Leaner is suitable when watching calories; thicker is more satiating. Milk fat has almost no effect on protein content.
- Keep in the refrigerator and consume once opened within a few days — cultures and taste change over time.
- Lactose: it decreases during fermentation, but not to zero. If you are intolerant, start with a small amount after a meal.
- Portion: a glass (about 200 ml) as part of daily protein — kefir alone is not enough if the goal is 1.6 g protein per kilogram (see protein requirements).
- Homemade kefir: use clean, scalded containers and maintain a constant temperature — otherwise you will get something sour, but not kefir.
🙋 FAQ
Does kefir replace a protein shake? No. 100 g contains about 3 g of protein, so a glass provides only a few grams — it is a supplement to a meal, not a replacement for a 20–30 g serving.
How many probiotics does it contain? It depends on the culture mix, storage conditions and time since bottling. The numbers on labels usually indicate the amount at the time of bottling, and viability decreases over time.
Can it be drunk before bed? Many people do; if you feel bloating after evening kefir, move it to a daytime meal.
When should you consult a specialist? If you have a diagnosed digestive or immune system condition, consult a doctor or nutrition specialist about the amount of fermented products.