Flax Seeds vs Mustard
Side-by-side macro comparison. Flax Seeds vs Mustard per their standard serving sizes.
Macro Comparison Table
| Macro | Flax Seeds | Mustard | Difference |
|---|---|---|---|
| Calories | 55 cal | 9 cal | +511% Flax |
| Protein | 1.9g | 0.6g | +217% Flax |
| Carbs | 3g | 0.6g | +400% Flax |
| Fat | 4.3g | 0.5g | +760% Flax |
Differences shown relative to Flax Seeds. Positive = Flax Seeds has more.
Quick Take
Flax Seeds delivers 55 calories per serving with 1.9g protein, 3g carbs, and 4.3g fat. Mustard delivers 9 calories with 0.6g protein, 0.6g carbs, and 0.5g fat. The most meaningful difference: Mustard saves 46 calories per serving — meaningful over a week of meals. Both deliver similar protein density.
When to Pick Each
For Cutting / Weight Loss
When cutting on a tight calorie budget, Mustard gives you 46 more calories of headroom per serving — that's room for an extra snack, more vegetables, or a higher-protein second portion. If protein density matters more (which it does for preserving muscle on a deficit), Mustard delivers more grams of protein per calorie consumed.
For Bulking / Muscle Gain
For muscle gain, you want calories AND protein. Flax Seeds brings 55 calories — useful when you're chasing a surplus and struggling to eat enough. Flax Seeds delivers 1.9g of protein per serving, which directly feeds muscle protein synthesis. The best pick depends on whether you need more total calories or more usable protein.
For Keto / Low-Carb
Both Flax Seeds and Mustard are keto-friendly with under 10g carbs per serving.
Frequently Asked
Which has more protein, Flax Seeds or Mustard?
Flax Seeds has more protein: 1.9g vs 0.6g per serving. That's a difference of 1.2999999999999998g.
Which has fewer calories, Flax Seeds or Mustard?
Mustard has 9 calories per serving vs 55 calories in Flax Seeds — a difference of 46 calories.
Is Flax Seeds or Mustard better for keto?
Mustard is the better keto choice at 0.6g carbs per serving vs 3g carbs in Flax Seeds.
Is Flax Seeds or Mustard better for weight loss?
For weight loss, Mustard gives you more calorie flexibility (46 cal less per serving). For preserving muscle during a deficit, Mustard delivers more protein per calorie. Most people on cuts benefit from Mustard.
Which Is Better for Your Goal?
🔥 Weight Loss
Mustard
Higher protein-to-calorie density + lower absolute fat = more satiety per calorie.
💪 Muscle Gain
Flax Seeds
Higher absolute protein per serving better supports muscle protein synthesis.
🥑 Low-Carb / Keto
Mustard
Lower carbohydrate content fits keto and low-carb macros without burning your carb budget.
Both fit most balanced diets. These verdicts reflect macro-only comparisons — taste, satiety, cost, and personal preference also matter.
Find Your Personal Macros
The "right" food depends on your individual macro targets. Calculate yours in 60 seconds:
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Other ways Flax Seeds and Mustard stack up:
Full Flax Seeds guide • Full Mustard guide • All comparisons