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

Coconut Water vs Flaxseed: 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?

Flaxseed is generally healthier

Flaxseed comes out ahead in this comparison, winning in 4 out of 5 key nutritional categories. It has more protein (18g vs 0.7g), more fiber (27g vs 1.1g), less sugar (1.6g vs 2.6g), less sodium (30mg vs 105mg)making it the better choice for most health goals.

Quick Summary

Fewer Calories

Coconut Water

19 kcal

More Protein

Flaxseed

18g

More Fiber

Flaxseed

27g

Less Sugar

Flaxseed

1.6g

Visual Comparison

Caloriesper 100g
Coconut Water
19
Flaxseed
534
Proteinper 100g
Coconut Water
0.7g
Flaxseed
18g
Carbohydratesper 100g
Coconut Water
3.7g
Flaxseed
29g
Fatper 100g
Coconut Water
0.2g
Flaxseed
42g

Side-by-Side Nutrition Table

NutrientCoconut WaterFlaxseedDifference
Calories19kcal534kcal-515.0kcal
Protein0.7g18g-17.3g
Carbohydrates3.7g29g-25.3g
Fat0.2g42g-41.8g
Fiber1.1g27g-25.9g
Sugar2.6g1.6g+1.0g
Sodium105mg30mg+75.0mg

Serving Size Comparison

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

Coconut Water

Per 100g:19 calories
Per cup (150g):29 calories
Per serving (85g):16 calories

Flaxseed

Per 100g:534 calories
Per cup (150g):801 calories
Per serving (85g):454 calories

Diet Compatibility

Coconut Water

Low-CarbLow-CalorieVeganVegetarianLow-Sodium

Flaxseed

High-ProteinVeganVegetarianPaleoLow-Sodium

When to Choose Coconut Water

  • Lower in calories (19 vs 534)
  • Lower in carbs (3.7g vs 29g)

Common Uses

HydrationMorning ritualSocial occasionsEnergy boost
View full Coconut Water nutrition →

When to Choose Flaxseed

  • Higher in protein (18g vs 0.7g)
  • More fiber (27g vs 1.1g)
  • Less sugar (1.6g vs 2.6g)
  • Lower sodium (30mg vs 105mg)

Common Uses

SnackingToppingsTrail mixBaking
View full Flaxseed nutrition →

Coconut Water vs Flaxseed: Nutritional Analysis

Flaxseed is more calorie-dense at 534 calories per 100g compared to 19 for Coconut Water, a difference of 515 calories. On the protein front, Flaxseed delivers more with 18g per 100g versus 0.7g, 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 Coconut Water and Flaxseed tell different nutritional stories. Coconut Water provides 3.7g of carbohydrates, 0.2g of fat, and 1.1g of fiber per 100g, while Flaxseed contains 29g carbs, 42g fat, and 27g fiber. The higher fiber content in Flaxseed supports digestive health, helps regulate blood sugar after meals, and contributes to longer-lasting satiety. Sugar content also differs: Coconut Water contains 2.6g while Flaxseed has 1.6g per 100g. Lower sugar options are generally preferable for blood sugar management and dental health.

Key Takeaways

  • For weight management: Coconut Water is the lower-calorie choice at 19 cal/100g, making it more suitable for calorie-controlled diets.
  • For muscle building: Flaxseed provides more protein (18g/100g), supporting muscle repair and growth.
  • For sustained energy: Flaxseed offers more fiber (27g/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, Coconut Water or Flaxseed?

Flaxseed has more calories with 534 kcal per 100g, compared to Coconut Water with 19 kcal. That's a difference of 515 calories per 100g serving.

Is Coconut Water healthier than Flaxseed?

Based on our nutritional analysis, Flaxseed is generally the healthier choice, winning in 4 out of 5 key nutritional categories. Flaxseed has 534 calories, 18g protein, and 27g fiber per 100g. However, the best choice depends on your specific dietary goals.

What is the protein difference between Coconut Water and Flaxseed?

Flaxseed has more protein with 18g per 100g, compared to Coconut Water with 0.7g. Flaxseed provides 17.3g more protein per 100g serving.

Which is better for weight loss, Coconut Water or Flaxseed?

For weight loss, Coconut Water is the better choice with only 19 calories per 100g compared to 534 calories in Flaxseed. Flaxseed also offers 27g of fiber per 100g, which helps you feel fuller longer.

Does Coconut Water or Flaxseed have fewer carbs?

Coconut Water has fewer carbs with 3.7g per 100g, compared to Flaxseed with 29g. If you're following a low-carb diet, Coconut Water is the better option with 25.3g 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.