18-Hour Cold Brew Coffee
Quick answer
A medium portion of 18-Hour Cold Brew Coffee (200 g) contains 4 kcal, with 0.4 g of net carbohydrates and 0.6 g of protein.
- Carbs0.4 g40%
- Protein0.6 g60%
- Fat0 g0%
- Fibre0 g
Percentages of total energy (calories)
Coffee made with patience and slow extraction: coarsely ground beans steeped in cold filtered water for 18 hours straight. The result is a concentrated, dark mahogany drink with a smooth, chocolatey flavour and noticeably less bitterness.
💡 Smart Nutritional Guidance
Consumption advice
Many people find it gentler on the stomach than hot coffee because the taste is less sharp, but evidence of a benefit for reflux is limited, so see how you tolerate it.
Best preparation methods
Its caffeine concentration is high; dilute it with ice cubes or a little unsweetened almond milk.
Important Nutritional Note
Very high in caffeine; do not drink more than two cups a day, and avoid it close to bedtime to prevent insomnia.
Nutrition facts
| Nutrient | Per 100 g | Per typical portion (200 g) |
|---|---|---|
| Calories | 2 kcal | 4 kcal |
| Protein | 0.3 g | 0.6 g |
| Carbohydrate | 0.2 g | 0.4 g |
| Available carbohydrate | 0.2 g | 0.4 g |
| Fat | 0 g | 0 g |
| Dietary fibre | 0 g | 0 g |
The typical portion is approximate, for comparison purposes.
Comparison & smarter alternatives
It has 2 kcal per 100 g, ranking 14 of 45 in Drinks (lowest first).
Related foods from the same family:
Frequently asked questions
Is 18-Hour Cold Brew Coffee good for weight loss?
Yes. 18-Hour Cold Brew Coffee is very low in calories (2 kcal per 100 g), so you can eat a generous amount to add volume and fullness to a meal without many calories.
How does 18-Hour Cold Brew Coffee affect blood sugar?
18-Hour Cold Brew Coffee contains virtually no available carbohydrate, so the glycemic index does not apply and its direct effect on blood sugar is minimal. The meal’s effect depends on what you eat with it, such as bread, rice or sweetened sauces.
What is the nutritional value of a typical portion of 18-Hour Cold Brew Coffee?
A typical 200 g portion of 18-Hour Cold Brew Coffee provides about 4 kcal, 0.6 g protein, 0.4 g carbohydrate, 0 g fat and 0 g fibre.
Is cold brew calorie-free?
Almost: a 200ml cup of plain black cold brew contains only about 4 kcal, with virtually no carbohydrates or fat.
Read also
References & Scientific Sources
- The glycemic index does not apply because this food has less than 5 g of available carbohydrate per 100 g, and a GI test requires 25 to 50 g of available carbohydrate, per: ISO 26642:2010. Food products — Determination of the glycaemic index (GI) and recommendation for food classification. International Organization for Standardization; 2010. www.iso.org/standard/43633.html
- Definition of available carbohydrate and glycemic load: FAO/WHO. Carbohydrates in human nutrition: report of a joint FAO/WHO expert consultation. FAO Food and Nutrition Paper 66. Rome; 1998. www.fao.org/4/w8079e/w8079e00.htm
Reviewed by the WiBo Health medical team · Last reviewed 13 October 2026
Disclaimer: This guidance is for nutritional lifestyle orientation and does not constitute a diagnostic medical device under EU Regulation MDR 2017/745.