Lettuce vs Oatly Oat Milk
Side-by-side macro comparison. Lettuce vs Oatly Oat Milk per their standard serving sizes.
Macro Comparison Table
| Macro | Lettuce | Oatly Oat Milk | Difference |
|---|---|---|---|
| Calories | 15 cal | 120 cal | -87% Lettuce |
| Protein | 1.4g | 3g | -53% Lettuce |
| Carbs | 2.9g | 16g | -82% Lettuce |
| Fat | 0.2g | 1g | -80% Lettuce |
Differences shown relative to Lettuce. Positive = Lettuce has more.
Quick Take
Lettuce delivers 15 calories per serving with 1.4g protein, 2.9g carbs, and 0.2g fat. Oatly Oat Milk delivers 120 calories with 3g protein, 16g carbs, and 1g fat. The most meaningful difference: Lettuce saves 105 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, Lettuce gives you 105 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), Lettuce delivers more grams of protein per calorie consumed.
For Bulking / Muscle Gain
For muscle gain, you want calories AND protein. Oatly Oat Milk brings 120 calories — useful when you're chasing a surplus and struggling to eat enough. Oatly Oat Milk delivers 3g 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
Lettuce fits cleanly into keto with only 2.9g carbs. Oatly Oat Milk at 16g carbs uses significantly more of your daily 20g carb budget.
Frequently Asked
Which has more protein, Lettuce or Oatly Oat Milk?
Oatly Oat Milk has more protein: 3g vs 1.4g per serving. That's a difference of 1.6g.
Which has fewer calories, Lettuce or Oatly Oat Milk?
Lettuce has 15 calories per serving vs 120 calories in Oatly Oat Milk — a difference of 105 calories.
Is Lettuce or Oatly Oat Milk better for keto?
Lettuce is the better keto choice at 2.9g carbs per serving vs 16g carbs in Oatly Oat Milk.
Is Lettuce or Oatly Oat Milk better for weight loss?
For weight loss, Lettuce gives you more calorie flexibility (105 cal less per serving). For preserving muscle during a deficit, Lettuce delivers more protein per calorie. Most people on cuts benefit from Lettuce.
Which Is Better for Your Goal?
🔥 Weight Loss
Lettuce
Higher protein-to-calorie density + lower absolute fat = more satiety per calorie.
💪 Muscle Gain
Oatly Oat Milk
Higher absolute protein per serving better supports muscle protein synthesis.
🥑 Low-Carb / Keto
Lettuce
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:
→ Calculate My Macros (Free)Related Comparisons
Other ways Lettuce and Oatly Oat Milk stack up:
Full Lettuce guide • Full Oatly Oat Milk guide • All comparisons