Danish Smørrebrød Open Rye Sandwich with Herring
Quick answer
A medium portion of Danish Smørrebrød Open Rye Sandwich with Herring (150 g) contains 390 kcal, with 29.2 g of net carbohydrates and 21 g of protein. Its glycemic index is 48 (Low) for how fast it raises blood sugar, while its glycemic load per portion is 14 (Medium) for its actual effect.
- Carbs36 g36.9%
- Protein21 g21.5%
- Fat18 g41.5%
- Fibre6.8 g
Percentages of total energy (calories)
Denmark’s famous open sandwich: dense rye bread topped with herring fillets, slices of boiled egg, red onion and dill; a meal rich in fibre and omega-3 with a low glycemic index (48).
💡 Smart Nutritional Guidance
Consumption advice
The wholegrain rye base is exceptionally filling and slows starch breakdown compared with white toast.
Best preparation methods
Watch the salt in pickled herring if you are keeping an eye on your blood pressure.
Important Nutritional Note
For people with diabetes or insulin resistance, it is always recommended to consider the total glycemic load (GL) of the meal rather than relying on the glycemic index alone.
Nutrition facts
| Nutrient | Per 100 g | Per typical portion (150 g) |
|---|---|---|
| Calories | 260 kcal | 390 kcal |
| Protein | 14 g | 21 g |
| Carbohydrate | 24 g | 36 g |
| Available carbohydrate | 19.5 g | 29.2 g |
| Fat | 12 g | 18 g |
| Dietary fibre | 4.5 g | 6.8 g |
The typical portion is approximate, for comparison purposes.
Comparison & smarter alternatives
Among the foods in Sandwiches with a glycemic index (5), it ranks 3 (lowest first).
Smart alternatives from the same family:
Frequently asked questions
Is Danish Smørrebrød Open Rye Sandwich with Herring good for weight loss?
It can be included in moderation: it contains 4.5 g of fibre per 100 g, which supports fullness, and a 150 g portion gives 390 kcal.
How does Danish Smørrebrød Open Rye Sandwich with Herring affect blood sugar?
Its glycemic index is 48 (Low), a clinically reviewed estimate rather than a laboratory measurement. A typical 150 g portion has a glycemic load of 14 (Medium), so it is best combined with protein or fibre-rich vegetables.
What is the nutritional value of a typical portion of Danish Smørrebrød Open Rye Sandwich with Herring?
A typical 150 g portion of Danish Smørrebrød Open Rye Sandwich with Herring provides about 390 kcal, 21 g protein, 36 g carbohydrate, 18 g fat and 6.8 g fibre.
Read also
- HbA1c & Insulin Resistance: Comprehensive Clinical GuideArticle
- Prediabetes: How to Stop the Train and Lower Your HbA1cGuide
- Gestational Diabetes Guide: Normal Levels and Foods to EatGuide
References & Scientific Sources
- The glycemic index of this food is a clinically reviewed estimate by the WiBo Health medical team, not a laboratory measurement from the International GI Tables (Atkinson 2021). GI bands (low ≤ 55 · medium 56–69 · high ≥ 70) follow: 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.