Nutrition Facts for Tzatziki Sauce: Complete Breakdown by Brand & Homemade
A 2-tablespoon serving of store-bought tzatziki sauce contains anywhere from 35 to 110 calories, depending on the brand and fat content—a range that surprises most consumers who assume all Greek yogurt-based sauces are nutritionally identical.
Last verified: April 2026
Executive Summary
| Brand/Type | Serving Size | Calories | Total Fat (g) | Protein (g) | Carbs (g) | Sodium (mg) |
|---|---|---|---|---|---|---|
| Athenos (Full-Fat) | 2 tbsp | 110 | 10 | 3 | 2 | 330 |
| Sabra (Low-Fat) | 2 tbsp | 50 | 3.5 | 4 | 2 | 280 |
| Feta-Based Homemade | 2 tbsp | 85 | 7 | 2.5 | 1.5 | 220 |
| Greek Gods (Organic) | 2 tbsp | 100 | 9 | 2.5 | 2 | 310 |
| Store-Brand (Mild) | 2 tbsp | 35 | 1.5 | 3.5 | 3 | 350 |
| Kirkland (Costco) | 2 tbsp | 70 | 5 | 4 | 2 | 300 |
Caloric Content and Fat Profiles Across Major Brands
The calories in tzatziki sauce vary more than most people realize, driven primarily by the type of yogurt used as the base. Athenos, one of the most widely distributed brands in North America, delivers 110 calories per 2-tablespoon serving because it’s built on full-fat Greek yogurt containing about 10 grams of fat. In contrast, Sabra’s low-fat version brings that number down to 50 calories with just 3.5 grams of fat, cutting the caloric load by 55% while maintaining nearly identical protein levels at 4 grams versus 3 grams.
Making tzatziki at home opens different nutritional territory entirely. A homemade version using feta cheese as the primary base—a legitimate Greek preparation method—lands at approximately 85 calories per 2-tablespoon portion with 7 grams of fat. This falls squarely between store-bought low-fat and full-fat options. What’s interesting here is that the homemade feta-based version actually contains less sodium (220 milligrams) than most commercial counterparts, which typically range from 280 to 350 milligrams. The sodium spike in packaged versions stems from preservatives like potassium sorbate and the salts needed for shelf stability.
Store-brand tzatziki sauces sold under supermarket labels reveal another pattern entirely. The mildest versions—often from Kroger, Safeway, or regional chains—sometimes dip below 40 calories per serving. These stripped-down formulations use non-fat or ultra-low-fat yogurt as the base and achieve creaminess through modified corn starch or guar gum. While they’re genuinely low in calories (35 calories for a 2-tablespoon serving in some cases), they’re also notably lower in protein, typically delivering just 3.5 grams compared to 3-4 grams in full-fat versions. This represents a trade-off worth considering if you’re using tzatziki primarily as a protein source rather than just a flavor condiment.
Organic brands like Greek Gods occupy the premium segment. Their full-fat organic tzatziki contains 100 calories per 2-tablespoon serving with 9 grams of fat, 2.5 grams of protein, and 310 milligrams of sodium. The certification doesn’t meaningfully alter the nutritional density—it’s roughly equivalent to Athenos—but consumers pay 20-40% more per ounce. Kirkland’s version from Costco represents solid value at 70 calories, 5 grams of fat, and 4 grams of protein, positioning it directly between the low-fat and full-fat mainstream options.
| Comparison Factor | Full-Fat Brands | Low-Fat Brands | Non-Fat Brands | Homemade (Yogurt-Based) |
|---|---|---|---|---|
| Typical Calorie Range | 100-120 per 2 tbsp | 45-65 per 2 tbsp | 25-40 per 2 tbsp | 70-95 per 2 tbsp |
| Fat Content | 9-11g per 2 tbsp | 3-5g per 2 tbsp | 0-2g per 2 tbsp | 6-8g per 2 tbsp |
| Protein Range | 2.5-3.5g | 3.5-5g | 3-4g | 3-4g |
| Additives Present | Minimal to few | Starch/gums common | Starch/gums frequent | None if homemade properly |
Micronutrient and Ingredient Breakdown
| Nutrient | Athenos Full-Fat | Sabra Low-Fat | Store-Brand Non-Fat | Homemade Standard | Daily Value % |
|---|---|---|---|---|---|
| Calcium | 80mg | 100mg | 110mg | 60mg | 8-12% (from 2 tbsp) |
| Potassium | 45mg | 65mg | 70mg | 40mg | 1-2% (from 2 tbsp) |
| Sodium | 330mg | 280mg | 350mg | 220mg | 13-15% of daily limit |
| Saturated Fat | 7g | 2.5g | 0.5g | 4.5g | 22-35% (from 2 tbsp) |
| Added Sugars | 0g | 0g | 0g | 0g | 0% |
Looking beyond the basic macronutrients reveals where tzatziki actually delivers nutritional density. A 2-tablespoon serving of any commercial tzatziki provides between 80 and 110 milligrams of calcium, translating to roughly 8-12% of your daily 1,000-1,200 milligram requirement depending on age and sex. The calcium contribution comes directly from the yogurt base, which remains consistent across fat levels. Non-fat versions sometimes register slightly higher at 110 milligrams per serving because manufacturers occasionally add extra calcium to compensate for any perceived nutritional loss from fat removal.
Potassium content remains modest across all versions, ranging from 40 to 70 milligrams per 2-tablespoon serving. That represents just 1-2% of the 2,600-3,400 milligram daily recommendation. If you’re managing potassium intake due to kidney issues, tzatziki isn’t problematic, but it’s also not a significant source. Homemade versions consistently register lower potassium—around 40 milligrams—than their store-bought counterparts, which often hit 65-70 milligrams. This difference likely reflects added ingredients and processing in commercial products.
Saturated fat deserves special attention because it’s where full-fat and reduced-fat versions diverge dramatically. Athenos’s full-fat formula contains 7 grams of saturated fat per 2-tablespoon serving, representing 35% of the 20-gram daily limit recommended by the American Heart Association for a 2,000-calorie diet. Sabra’s low-fat version cuts this to 2.5 grams (12.5% of the limit), while non-fat store brands typically contain 0.5 grams or less. For comparison, a homemade tzatziki prepared with full-fat Greek yogurt falls in the middle at roughly 4.5 grams of saturated fat per serving.
One notable absence across all tzatziki varieties is added sugar. Every brand and homemade version examined contains 0 grams of added sugars, though some do contain 1-3 grams of naturally occurring lactose from the yogurt base. This makes tzatziki remarkably friendly for anyone monitoring sugar intake or following ketogenic diets, assuming portion sizes remain reasonable. The ingredient lists reveal the real differentiation point: full-fat versions list just 2-3 ingredients (yogurt, salt, cucumber, sometimes dill), while reduced-fat and non-fat versions typically include 8-12 ingredients including modified corn starch, xanthan gum, or guar gum for texture compensation.
Key Factors Affecting Nutritional Content
Yogurt Fat Content The single most influential variable determining tzatziki’s nutrition is the yogurt base’s fat level. Full-fat Greek yogurt contains 5-6% milk fat by weight, low-fat versions contain 1-2%, and non-fat contains essentially zero. A single brand’s decision to use full-fat versus low-fat yogurt can shift the final product’s calorie count by 50-65%, with corresponding changes to saturated fat. This explains why Athenos and Sabra, often sold adjacent to each other in the same store, differ so dramatically in their nutritional profiles despite using similar flavoring ingredients.
Thickening and Stabilizing Agents Commercial tzatziki requires texture stability across shipping, storage, and temperature fluctuation. Low-fat and non-fat versions almost universally contain modified corn starch, xanthan gum, or guar gum to replicate the mouthfeel that naturally comes from fat. These additives don’t significantly affect calorie counts—each typically contributes fewer than 5 calories per 2-tablespoon serving—but they do appear on ingredient labels as items you won’t find in homemade versions. Some consumers prefer avoiding these substances, which is one reason the homemade route appeals to people with processed-food concerns.
Sodium Preservation and Processing Tzatziki’s sodium content peaks at 350 milligrams per 2-tablespoon serving in some store-brand versions, driven by salt’s dual role as flavor and preservative. A 2-tablespoon serving represents 13-15% of the 2,300-milligram daily sodium limit recommended for most adults. Homemade versions register 30-40% lower sodium because they lack these preservation requirements and can be consumed within days. If you’re monitoring sodium intake due to hypertension or heart disease, preparing tzatziki at home reduces this particular nutrient load significantly. Interestingly, premium brands like Greek Gods don’t show meaningfully lower sodium than mass-market options despite higher price points.
Ingredient Quality and Sourcing Organic-certified versions from brands like Greek Gods and Fage cost 25-45% more per ounce than conventional options like Athenos, but the nutritional difference is marginal. The 100-calorie, 9-gram-fat profile of Greek Gods matches Athenos almost exactly. The premium reflects sourcing standards (organic milk, pasture-raised where applicable) rather than nutritional density. For practical nutrition purposes, a consumer on a tight budget needn’t sacrifice health to choose Athenos over Greek Gods—the macronutrient and micronutrient profile lands in the same ballpark.
Serving Size Inconsistency While most brands standardize on 2-tablespoon (28-30 gram) servings, some smaller regional brands use different reference amounts. Always check the label, as a brand using a 3-tablespoon serving size will appear roughly 50% higher in all nutrients than one using 2 tablespoons. This isn’t deception—just variation in labeling standards—but it can create confusion when comparing products.
How to Use This Data When Shopping and Cooking
Match Your Dietary Goals to Fat Content If you’re aiming for reduced fat intake, non-fat store brands at 35-40 calories per serving offer the lowest caloric load, but you’ll sacrifice some of the naturally satisfying fat that makes tzatziki work as a condiment. Low-fat versions (45-65 calories) represent the sweet spot for most people—they maintain decent protein levels, contain minimal thickening agents compared to non-fat versions, and still reduce fat versus full-fat brands. If you’re following a high-fat diet like keto, full-fat versions at 100-120 calories fit naturally and taste more authentic. For general health maintenance without specific dietary restrictions, any version works fine within reasonable portion sizes.
Calculate Impact on Macronutrient Goals Tzatziki typically serves as an accent to larger meals—a condiment for gyros, a dip for vegetables, or a sauce component in salads. A typical 2-tablespoon serving contributes minimally to protein intake (2.5-4 grams depending on brand) but does meaningfully impact fat and sodium consumption. If you’re eating a 2-ounce chicken breast (about 55 calories, 10 grams protein) with 4 tablespoons of full-fat tzatziki (220 calories, 20 grams fat), the sauce suddenly contains twice the calories of your protein source. This matters if you’re tracking macros for fitness goals. Using just 1-2 tablespoons on a 2-ounce protein portion keeps the balance more favorable.
Read Ingredient Lists, Not Just Nutrition Labels The nutrition facts panel tells you what but not always why. Two brands with identical calorie and fat counts might achieve them through completely different means—one using full-fat yogurt with minimal additives, another using non-fat yogurt with starch and gums. If you prefer minimally processed foods, check that ingredient lists contain fewer than 5 items. This often points toward full-fat versions, which don’t require texture compensation. If you’re avoiding specific additives like guar gum or xanthan gum, the ingredient list is your filtering tool more than the nutrition facts themselves.
Consider Sodium Accumulation Across the Meal A single 2-tablespoon serving of tzatziki contributes 280-350 milligrams of sodium, which is 12-15% of the 2,300-milligram daily limit. This alone doesn’t concern most people, but if you’re pairing it with other processed foods—packaged pita, cured meats, cheese—sodium accumulates quickly. For anyone managing hypertension, keeping tzatziki to 1-2 tablespoons per meal and choosing low-sodium or homemade versions can meaningfully impact daily sodium totals. A full day of eating might otherwise land at 4,000-5,000 milligrams without obvious culprits; tracking condiments catches these overlooked sources.
Frequently Asked Questions
Is store-bought tzatziki actually made from Greek yogurt? Yes, all major brands use authentic Greek yogurt as their base ingredient, which they’re required to declare prominently. However, the fat content of that yogurt varies significantly between brands. Some use genuine 5-6% fat full-fat Greek yogurt, while others use low-fat (1-2%) or non-fat versions. The labeling simply says “Greek yogurt” without specifying fat content, so you must read the nutrition facts to determine which type. Generic store brands in particular often use non-fat or ultra-low-fat Greek yogurt, which explains their dramatically lower calorie counts compared to branded alternatives.
How much of tzatziki’s flavor comes from the yogurt versus the added ingredients like dill and garlic? The yogurt provides the creamy mouthfeel and mild tang, while dill, garlic, cucumber, and salt deliver most of the distinctive flavor profile. In full-fat versions, the fat itself carries and enhances flavors, making the sauce taste richer despite minimal seasoning. Non-fat versions often taste thinner and require proportionally more seasoning to achieve comparable flavor impact. This is why some consumers find store-brand non-fat tzatziki bland compared to full-fat alternatives—they’re literally experiencing less of the fatty-acid-carried flavor compounds. Homemade versions allow you to calibrate garlic and dill to personal preference, often resulting in more pronounced flavor than commercial versions, which aim for broad appeal rather than boldness.
Does tzatziki have any surprising nutritional downsides people should know about? The primary surprise for many people is the sodium content, which runs higher than expected for a seemingly “healthy” yogurt-based sauce. A modest 2-tablespoon serving represents 12-15% of the daily sodium limit, and it’s easy to use double or triple this amount when dipping vegetables or dressing salads. The other potential downside is the saturated fat in full-fat versions—a 2-tablespoon serving of Athenos contains 7 grams of saturated fat, which is more than a tablespoon of butter. For people limiting saturated fat due to heart disease risk or following cardiologist recommendations, this matters significantly. There’s nothing “wrong” with saturated fat in moderation, but tzatziki’s contribution is larger than many people realize when they’re making portion decisions.
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