Written by CalorieData Nutrition TeamReviewed by a Registered DietitianLast Updated: March 2026

Latte vs Oat Milk: Nutrition Comparison

Which is healthier? Compare calories, protein, carbs, and more

Complete side-by-side nutrition comparison per 100g serving | Updated 2026

Which is Healthier?

Oat Milk is generally healthier

Oat Milk comes out ahead in this comparison, winning in 4 out of 5 key nutritional categories. It has fewer calories (47 vs 66), more fiber (0.8g vs 0g), less sugar (3.2g vs 5.3g), less sodium (36mg vs 56mg)making it the better choice for most health goals.

Quick Summary

Fewer Calories

Oat Milk

47 kcal

More Protein

Latte

3.6g

More Fiber

Oat Milk

0.8g

Less Sugar

Oat Milk

3.2g

Visual Comparison

Caloriesper 100g
Latte
66
Oat Milk
47
Proteinper 100g
Latte
3.6g
Oat Milk
1g
Carbohydratesper 100g
Latte
5.5g
Oat Milk
7.8g
Fatper 100g
Latte
3.4g
Oat Milk
1.5g

Side-by-Side Nutrition Table

NutrientLatteOat MilkDifference
Calories66kcal47kcal+19.0kcal
Protein3.6g1g+2.6g
Carbohydrates5.5g7.8g-2.3g
Fat3.4g1.5g+1.9g
Fiber0g0.8g-0.8g
Sugar5.3g3.2g+2.1g
Sodium56mg36mg+20.0mg

Serving Size Comparison

All values above are per 100g. Here's how they compare in common serving sizes:

Latte

Per 100g:66 calories
Per cup (150g):99 calories
Per serving (85g):56 calories

Oat Milk

Per 100g:47 calories
Per cup (150g):71 calories
Per serving (85g):40 calories

Diet Compatibility

Latte

Low-CarbLow-CalorieVeganVegetarianLow-Sodium

Oat Milk

Low-CarbLow-CalorieVeganVegetarianLow-Sodium

When to Choose Latte

  • Higher in protein (3.6g vs 1g)
  • Lower in carbs (5.5g vs 7.8g)

Common Uses

HydrationMorning ritualSocial occasionsEnergy boost
View full Latte nutrition →

When to Choose Oat Milk

  • Lower in calories (47 vs 66)
  • More fiber (0.8g vs 0g)
  • Less sugar (3.2g vs 5.3g)
  • Lower sodium (36mg vs 56mg)

Common Uses

HydrationMorning ritualSocial occasionsEnergy boost
View full Oat Milk nutrition →

Latte vs Oat Milk: Nutritional Analysis

Latte is more calorie-dense at 66 calories per 100g compared to 47 for Oat Milk, a difference of 19 calories. On the protein front, Latte delivers more with 3.6g per 100g versus 1g, which matters for muscle maintenance, satiety, and overall metabolic health. These differences become meaningful when you consider how each food fits into your daily dietary pattern rather than looking at any single nutrient in isolation.

Macronutrient Breakdown

The macronutrient profiles of Latte and Oat Milk tell different nutritional stories. Latte provides 5.5g of carbohydrates, 3.4g of fat, and 0g of fiber per 100g, while Oat Milk contains 7.8g carbs, 1.5g fat, and 0.8g fiber. The higher fiber content in Oat Milk supports digestive health, helps regulate blood sugar after meals, and contributes to longer-lasting satiety. Sugar content also differs: Latte contains 5.3g while Oat Milk has 3.2g per 100g. Lower sugar options are generally preferable for blood sugar management and dental health.

Key Takeaways

  • For weight management: Oat Milk is the lower-calorie choice at 47 cal/100g, making it more suitable for calorie-controlled diets.
  • For muscle building: Latte provides more protein (3.6g/100g), supporting muscle repair and growth.
  • For sustained energy: Oat Milk offers more fiber (0.8g/100g), which slows digestion and provides steadier energy release.
  • Overall: Neither food is universally "better" than the other. The right choice depends on your specific nutritional goals, meal context, and dietary preferences. Both can play a role in a balanced diet.

Frequently Asked Questions

Which has more calories, Latte or Oat Milk?

Latte has more calories with 66 kcal per 100g, compared to Oat Milk with 47 kcal. That's a difference of 19 calories per 100g serving.

Is Latte healthier than Oat Milk?

Based on our nutritional analysis, Oat Milk is generally the healthier choice, winning in 4 out of 5 key nutritional categories. Oat Milk has 47 calories, 1g protein, and 0.8g fiber per 100g. However, the best choice depends on your specific dietary goals.

What is the protein difference between Latte and Oat Milk?

Latte has more protein with 3.6g per 100g, compared to Oat Milk with 1g. Latte provides 2.6g more protein per 100g serving.

Which is better for weight loss, Latte or Oat Milk?

For weight loss, Oat Milk is the better choice with only 47 calories per 100g compared to 66 calories in Latte. Oat Milk also offers 0.8g of fiber per 100g, which helps you feel fuller longer.

Does Latte or Oat Milk have fewer carbs?

Latte has fewer carbs with 5.5g per 100g, compared to Oat Milk with 7.8g. If you're following a low-carb diet, Latte is the better option with 2.3g fewer carbohydrates.

About Our Data

All nutrition data in this comparison is sourced from the USDA FoodData Central, the official food composition database maintained by the U.S. Department of Agriculture. Values are based on 100g servings for accurate comparison.

Health Disclaimer: This comparison is for informational purposes only and is not intended as medical or dietary advice. Nutritional needs vary by individual. The best food choice depends on your personal health goals, dietary requirements, and preferences. Consult a healthcare provider or registered dietitian for personalized nutrition guidance.