Which Nonfat Greek Yogurt Has the Most Protein?

October 2, 2025 •

4 min read

According to a 2025 study by Garage Gym Reviews, brands like Ratio Protein and Oikos Pro often lead the pack in protein content, but specifically for the nonfat category, the landscape shifts. This article provides a definitive breakdown to answer the question: which nonfat Greek yogurt has the most protein?

Quick Summary

A comparison of leading nonfat Greek yogurt brands to identify the one with the highest protein content per serving. Includes analysis of product types like Icelandic skyr and standard Greek yogurt.

Key Points

Top Contender is Ratio Protein Yogurt: Offering up to 25 grams of protein in a 5.3-ounce serving, Ratio Protein Yogurt is consistently one of the highest nonfat protein options on the market.
Oikos Pro and Chobani Protein are close competitors: Both Oikos Pro and the Chobani Protein line offer 20 grams of protein per serving, making them excellent choices for a protein boost.
FAGE Total 0% is a classic high-protein option: With 16 grams of protein in a 5.3-ounce serving, FAGE Total 0% delivers high protein without added whey or sweeteners, appealing to purists.
Icelandic Skyr is a strained alternative: Brands like Siggi's produce skyr, a strained yogurt with a similar consistency and high protein content, typically around 15-16 grams for nonfat versions.
Check serving sizes for accurate comparison: Protein amounts can be misleading if serving sizes differ. Always compare protein per ounce or gram for a true nutritional assessment.
Read labels for added sugars: Many flavored varieties add sugar, so always check the nutrition label, especially when trying a new product.
Consider taste and texture: The best yogurt is one you'll actually enjoy. Consider tanginess and thickness when making your choice, as they vary greatly between brands.

Understanding Greek Yogurt and Protein

Greek yogurt is known for its high protein content, a direct result of the straining process that removes whey and lactose. This straining gives the yogurt its signature thick texture and more concentrated nutrient profile. Nonfat varieties undergo the same straining but start with fat-free milk, making them an excellent low-calorie, high-protein choice. However, not all nonfat Greek yogurts are created equal, with protein content varying significantly between brands and even different product lines from the same company. Some companies further boost protein through additional ingredients or processing methods, like ultra-filtration.

To make an informed decision, it's crucial to look beyond general brand reputation and examine the nutritional label closely, paying attention to the protein count per serving size. Serving sizes can differ, so always compare them on a gram-for-gram basis if needed to get an accurate picture.

The Importance of High Protein

For many people, a high-protein diet is a priority for several reasons:

Muscle Building and Repair: Protein is the building block of muscle tissue, and adequate intake is essential for repairing muscle fibers after exercise.
Satiety and Weight Management: Protein-rich foods help you feel full for longer, which can aid in controlling overall calorie intake and managing weight.
Energy and Metabolism: A consistent supply of protein helps provide sustained energy throughout the day and can support a healthy metabolism.
Bone Health: Many high-protein yogurts also contain good amounts of calcium, which is vital for maintaining strong bones.

Leading Brands and Their Protein Content

Several brands are frequently cited for their high-protein offerings. Icelandic Provisions and Siggi's, which are technically skyr (an Icelandic cultured dairy product), are often included in these comparisons due to their similar straining process and thick consistency. Other major players include FAGE and Chobani. Here is a look at some of the top contenders based on recent data from sources like Garage Gym Reviews and Business Insider.

Ratio Protein Yogurt

Known for its exceptionally high protein count, Ratio is a leading brand in the market. Its products achieve a high concentration of protein through ultra-filtered milk and added whey protein concentrate. In a 5.3-ounce cup, Ratio Protein yogurt offers an impressive 25 grams of protein, though it's important to check the nutritional label, as its high protein content sometimes comes with a slightly higher calorie count compared to other nonfat options.

Oikos Pro

Oikos Pro is another strong contender, also utilizing ultra-filtered milk to achieve its high protein levels. It provides around 20 grams of protein in a 5.3-ounce serving, making it a powerful option for those prioritizing protein intake. This brand also offers a low-carb profile, which appeals to many consumers.

Chobani Protein

Chobani Protein has made a concerted effort to compete in the high-protein market. Its newer protein-focused line packs 20 grams of protein into a slightly larger 6.7-ounce container, while still maintaining 0 grams of added sugar. The company achieves this by replacing added sugars with a non-caloric sweetener.

Siggi's Icelandic Skyr Nonfat Yogurt

Siggi's is a popular brand known for its simple ingredients and thick texture. A 5.3-ounce serving of Siggi's nonfat skyr typically contains 15 to 16 grams of protein, placing it in the mid-to-high range for this category. Its focus on simple ingredients and the absence of artificial sweeteners makes it a clean-eating favorite.

FAGE Total 0% Plain Greek Yogurt

Often considered a classic among high-protein yogurts, FAGE Total 0% provides a substantial 16 grams of protein in a 5.3-ounce serving. Its straightforward ingredient list and thick, creamy texture appeal to those who prefer an uncomplicated, pure yogurt experience. FAGE's traditional straining process is what naturally concentrates the protein to this level.

Comparison Table: Nonfat Greek Yogurts with High Protein


Brand	Product	Serving Size	Protein (g)	Key Features
Ratio	Protein Yogurt	5.3 oz	25	Ultra-filtered milk, added whey, highest protein content.
Oikos	Pro	5.3 oz	20	Ultra-filtered milk, low-carb, high-protein.
Chobani	Protein	6.7 oz	20	0g added sugar, uses stevia, larger portion size.
Siggi's	Nonfat Skyr	5.3 oz	15-16	Simple ingredients, traditional Icelandic skyr.
FAGE	Total 0% Plain	5.3 oz	16	Classic, naturally strained, no added ingredients.
Whole Foods	365 Plain Greek	5.3 oz	16	Store brand option with solid protein stats.

Considerations Beyond Just Protein

While protein content is the focus, it's wise to consider other factors when choosing your yogurt:

Added Sugar: Always check the label. Some flavored varieties can contain significant amounts of added sugar that can undermine your health goals. Plain, nonfat yogurts are the safest bet for minimal sugar.
Ingredients: Look for simple ingredient lists. Yogurts with just cultured milk and live active cultures are often preferred by purists.
Artificial Sweeteners: If you are sensitive to or wish to avoid artificial sweeteners, be sure to check how a low-sugar flavored yogurt achieves its sweetness.
Taste and Texture: Personal preference plays a big role. Some prefer the thickness of traditional skyr (Siggi's) while others may like the classic Greek yogurt consistency (FAGE).
Cost: Prices can vary greatly between brands and often depend on the processing and ingredient quality. The cheapest option may not be the best nutritional value.

Conclusion

When seeking which nonfat Greek yogurt has the most protein, the standout brand is typically Ratio Protein, offering up to 25 grams per 5.3-ounce serving. However, other excellent options like Oikos Pro, Chobani Protein, and FAGE Total 0% offer competitive protein levels with different ingredient and flavor profiles. Your best choice ultimately depends on a balance between protein content, ingredients, added sugars, and personal taste. For maximum protein, Ratio is the clear winner, but for a classic, clean label product with high protein, FAGE is an enduring favorite. Reading labels and comparing brands side-by-side will ensure you find the perfect yogurt to meet your dietary needs.

Garage Gym Reviews provides an excellent comparison of high-protein yogurts.

Frequently Asked Questions

Yes, Greek yogurt naturally has more protein than regular yogurt because it is strained during the manufacturing process. This process removes excess whey, resulting in a thicker consistency and a higher concentration of protein.

No, not all high-protein Greek yogurt is nonfat. Some high-protein options are made with 2% or even full-fat milk. Always check the nutritional label to confirm the fat content of the specific product.

Not always. While the protein content might be similar, flavored nonfat Greek yogurts often contain added sugars and sweeteners, which can change the overall nutritional profile. To maximize protein with minimal sugar, plain nonfat yogurt is often the best choice.

Skyr is an Icelandic cultured dairy product that is very similar to Greek yogurt, as it is also strained to remove whey. It typically has a thicker consistency than many Greek yogurts and is also a great source of protein.

Yes, you can easily add a scoop of protein powder to your nonfat Greek yogurt to further increase its protein content. This is a simple way to customize your snack and boost your macros, especially if you are using it for post-workout recovery.

To get an accurate comparison, check the nutrition facts label on the back of each container. Pay close attention to the serving size listed and the corresponding grams of protein. If serving sizes differ, you can do a quick calculation to compare based on an equal weight (e.g., per 100g).

High-protein yogurts can be beneficial for weight loss due to their high satiety levels, which can help you feel full and reduce overall calorie intake. Combined with a balanced diet and exercise, they can be a great tool for managing weight.