What is the healthiest Siggi's yogurt?

January 3, 2026 •

4 min read

According to nutritionists, the healthiest yogurts are typically those with low sugar, high protein, and few simple ingredients. When considering what is the healthiest Siggi's yogurt, the plain, non-fat skyr varieties consistently rise to the top for their simple, protein-rich formula.

Quick Summary

A comparison of Siggi's products reveals the plain, non-fat skyr as the top choice due to its high protein, minimal sugar, and simple ingredients. Lower-sugar flavored options also offer a nutritious balance, while higher-fat versions may suit specific dietary needs.

Key Points

Plain Non-Fat Skyr is Healthiest: Siggi's Plain Non-Fat Skyr is the top choice for its high protein, low sugar, and zero fat content.
High in Protein, Low in Sugar: Siggi's skyr is notably high in protein and low in sugar compared to many other yogurt brands, benefiting weight management and satiety.
Simple, Clean Ingredients: Siggi's uses simple, natural ingredients without artificial sweeteners, flavors, or preservatives.
Lower Sugar Flavored Options: For those who prefer flavor, Siggi's Lower Sugar varieties offer a good balance of taste and nutrition with significantly less sugar than typical flavored yogurts.
Offers Varying Fat Levels: The product line includes 0%, 2%, and whole milk options, allowing consumers to choose based on their specific dietary fat goals.
Rich in Probiotics and Calcium: As a fermented dairy product, skyr provides beneficial probiotics for gut health and is an excellent source of calcium for bone health.
Great for Weight Management: The high protein and low sugar content of skyr make it an ideal food for managing appetite and supporting weight loss efforts.
Versatile Ingredient: Skyr can be used in a variety of ways beyond eating it plain, from smoothies and parfaits to savory dips.

Comparing Siggi's Healthiest Yogurt Options

For those seeking the pinnacle of clean nutrition within the Siggi's line, the plain, non-fat skyr is an undisputed champion. Its nutritional profile is a direct reflection of the traditional Icelandic dairy-making process, using four times the milk of a standard cup of yogurt. This intensive straining method concentrates the protein while removing much of the natural milk sugar (lactose). As a result, you get a remarkably thick, creamy yogurt that is high in protein and low in sugar, with no fat.

Beyond the flagship plain version, Siggi's offers other healthy options that cater to different tastes and dietary needs. Lower-sugar flavored varieties, like the Vanilla or Strawberry Lower Sugar Skyr, provide flavor with far less added sugar than most conventional yogurts. For those following a keto or low-carb diet, these low-sugar flavored options can be a perfect fit, offering a sweeter experience without a significant carb load. Whole-milk skyr, while higher in fat, can be a great source of satiety and healthy fats for those not counting calories as strictly. Siggi's also offers a plant-based line for those avoiding dairy, though the protein content is typically lower than their traditional skyr.

Factors to Consider When Choosing Your Yogurt

Sugar Content: The most significant differentiator in yogurt health. Siggi's is known for having less sugar than many other brands, but the plain options are always the lowest. For flavored yogurts, look for the 'Lower Sugar' label.
Protein Content: A high-protein yogurt promotes satiety and supports muscle maintenance, making it an excellent choice for weight management or active lifestyles. All Siggi's skyr is notably high in protein due to the straining process.
Fat Content: Siggi's offers 0%, 2%, and whole milk options. Your choice depends on your dietary goals. A 0% fat option is best for calorie restriction, while a higher-fat version can provide more satiating energy.
Simple Ingredients: A core tenet of Siggi's philosophy is using simple, natural ingredients with no artificial sweeteners or flavors. This commitment to simple ingredients means you are consuming a product that is minimally processed.

Siggi's Yogurt Nutritional Comparison Table


Product (5.3 oz)	Protein (g)	Sugar (g)	Fat (g)	Calories	Key Features
Plain Non-Fat Skyr	16-19	4-5	0	90-100	Highest protein, lowest sugar and fat. The gold standard for health.
Vanilla Non-Fat Skyr	16	9	0	110	Still high protein, with a touch of natural vanilla flavor.
Lower Sugar Flavors (e.g., Strawberry)	14	2	<1	100	A flavorful, low-sugar option with high protein content.
Whole Milk Plain Skyr	18	5	5	170	Good source of healthy fats for increased satiety.

The Power of Skyr: Beyond the Nutrition Label

Skyr, the Icelandic dairy product that is the basis for Siggi's, is more than just a yogurt substitute; it's a nutritionally dense fermented food. This dairy marvel is made by fermenting skimmed milk with live bacterial cultures, resulting in a product with a higher concentration of protein and beneficial probiotics than many other yogurts. Skyr's benefits extend to promoting bone health due to its high calcium content and supporting heart health with minerals like potassium and magnesium. For those focused on weight management, skyr's high protein content is particularly beneficial, as it promotes feelings of fullness, helping to reduce overall calorie intake. It also has a low glycemic index, meaning it helps to regulate blood sugar levels, preventing the spikes and crashes associated with sugary snacks.

Simple Ingredients for Optimal Health

One of the defining characteristics of Siggi's is its dedication to simplicity. Unlike many mainstream yogurt brands that pack their products with artificial sweeteners, colors, and thickeners, Siggi's sticks to the essentials. The result is a cleaner, more wholesome product that aligns with a natural, healthy diet. For example, their flavored yogurts get their taste from real fruit, not from artificial additives. This focus on quality over quantity of ingredients is a major reason why many health-conscious consumers choose Siggi's as their go-to yogurt.

Conclusion: The Winner Is Clear

Based on a detailed analysis of nutritional content and ingredients, the healthiest Siggi's yogurt is the Plain Non-Fat Skyr. It offers the highest protein-to-calorie ratio, the lowest sugar and fat, and contains only simple, natural ingredients. While other options like the Lower Sugar flavored varieties are also excellent choices for a balanced diet, the plain non-fat skyr provides the purest, most concentrated nutritional benefits. For those with different dietary needs, such as a desire for more healthy fats or a sweeter taste, Siggi's offers other compelling options, but for overall health, simplicity reigns supreme.

A List of the Healthiest Siggi's Yogurt Options

Plain Non-Fat Skyr: The best choice for minimal sugar and maximum protein.
Plain Whole Milk Skyr: A nutritious, higher-fat option for added satiety.
Vanilla Non-Fat Skyr: The top flavored option with a high protein content and moderate sugar.
Lower Sugar Varieties: These flavored yogurts offer an excellent balance of taste and low sugar content.
Plant-Based Coconut Blends: A dairy-free alternative for those with dietary restrictions.

For more information on the health benefits of skyr and comparisons to other yogurts, you can consult reputable nutrition resources online, such as Healthline, which provides detailed nutritional breakdowns and benefits of skyr products.

How to Incorporate Healthy Siggi's into Your Diet

Breakfast Bowl: Start your day with a bowl of Plain Non-Fat Skyr, topped with fresh berries, nuts, and a sprinkle of cinnamon for a high-protein, antioxidant-rich meal.
Post-Workout Snack: Refuel your muscles with a scoop of Vanilla Non-Fat Skyr and a handful of almonds to get the protein you need for recovery.
Savory Dip: Use Plain Skyr as a creamy, high-protein base for dips and spreads. Mix it with herbs and spices for a healthy alternative to sour cream or mayo.

The Verdict: The healthiest Siggi's yogurt is undeniably the Plain Non-Fat Skyr. Its simple, concentrated formula is rich in protein, low in sugar, and free of unnecessary additives, making it an excellent choice for a wide range of dietary goals.

Frequently Asked Questions

The plain non-fat skyr varieties have the least amount of sugar, containing only 4-5 grams of naturally occurring milk sugar per serving and no added sugar.

Siggi's skyr is often considered healthier than many Greek yogurts because it is made with less sugar and fewer ingredients. The intensive straining process gives it a higher protein-to-sugar ratio than most conventional Greek yogurts.

Yes, Siggi's is an excellent choice for weight loss. Its high protein content promotes satiety and can help reduce overall calorie intake, while the low sugar content aligns with weight management goals.

Siggi's flavored yogurts are generally healthier than many other brands because they use less sugar and natural ingredients. The 'Lower Sugar' varieties are particularly nutritious and contain significantly less added sugar than standard flavored yogurts.

A 5.3 oz serving of Siggi's plain non-fat skyr typically contains 16-19 grams of protein, making it one of the highest protein yogurts on the market.

Yes, the plain, non-fat Siggi's skyr can be a great addition to a keto diet when consumed in moderation. With only 4-5 grams of naturally occurring sugar per serving, it's a low-carb, high-protein option.

No, Siggi's is not lactose-free, as it is made from milk. However, the straining process removes a significant portion of the lactose, making it potentially tolerable for individuals with mild lactose sensitivity.

Skyr is typically thicker and tangier than Greek yogurt, with a higher protein content due to a more intensive straining process. It also tends to have a lower sugar and fat content, depending on the variety chosen.