Lemon

fruits

Lemon

9/ 10Excellent
Controversy: 2.7

Rated by 11 diets

10 approve1 caution0 avoid
Is Lemon Healthy?

Yes — Lemon is broadly considered healthy. 10 out of 11 diets approve it.

Nutrition Facts
Per 100g
Calories
29kcal
Protein
1.1g
Carbs
9.3g
Fat
0.3g
Fiber
2.8g
Sugar
2.5g
Sodium
2mg

Diet Ratings

Keto9/10APPROVED

Lemon is extremely low in net carbs (1.5g per 100g). Commonly used for flavoring and juice in keto cooking. High in vitamin C and adds minimal carb impact.

Vegan9/10APPROVED

Pure plant-based citrus fruit with no animal products or derivatives. Whole food with excellent nutritional profile.

Paleo9/10APPROVED

Unprocessed citrus fruit available in ancestral environments. Low sugar, high vitamin C, used as flavoring and preservative. No anti-nutrients or problematic compounds.

Mediterranean9/10APPROVED

Lemon is a staple in Mediterranean cuisine, used extensively for flavoring dishes and as a healthy fat-free seasoning alternative. Rich in vitamin C and antioxidants, it supports the diet's emphasis on plant-based whole foods.

Carnivore5/10CAUTION

Citrus fruit with minimal carbohydrates and sugar compared to other fruits. Some carnivore practitioners use lemon juice for flavor and potential digestive benefits, but strict Lion Diet adherents exclude all plant foods including citrus.

iStrict Lion Diet protocols exclude all plant-derived foods. Baker and Saladino acknowledge lemon as lower-carb but recommend caution due to plant origin and potential for habit formation.

Whole3010/10APPROVED

Whole citrus fruit with no added ingredients. Explicitly compliant with Whole30 guidelines as a natural fruit.

Low-FODMAP9/10APPROVED

Lemon is low in FODMAPs across all reasonable serving sizes. Monash University has tested lemon and confirmed low-FODMAP status. Typically consumed in small quantities (juice, zest) which further minimizes any FODMAP load.

DASH9/10APPROVED

Zero sodium, excellent source of vitamin C, low calorie, enhances flavor without added salt. Core DASH food for seasoning replacement.

Zone9/10APPROVED

Extremely low glycemic impact with minimal carbs per serving. Rich in polyphenols and vitamin C. Ideal Zone condiment and flavor enhancer without disrupting macronutrient ratios.

Anti-Inflammatory9/10APPROVED

Lemon is rich in vitamin C and polyphenols with potent antioxidant and anti-inflammatory properties. Low glycemic impact and supports alkaline metabolism. Excellent for flavoring without added sodium or sugar.

GLP-1 Friendly8/10APPROVED

Minimal calories (17 per fruit), high vitamin C, aids digestion and may reduce nausea. Acidity supports nutrient absorption. Typically used as flavoring/condiment in small amounts. Excellent for hydration support when added to water. No fat, no sugar concern in typical use.

Controversy Index

Score range: 510/10. Higher controversy = more disagreement between diets.

Consensus2.7Divisive

Diet-Specific Tips for Lemon

Keto 9/10
  • 1.5g net carbs per 100g
  • Minimal sugar content
  • Excellent for flavoring without carb load
Vegan 9/10
  • 100% plant-based
  • Whole food
  • No processing required
  • Rich in vitamin C
Paleo 9/10
  • Low glycemic impact
  • Rich in vitamin C
  • Minimal sugar content
  • No processing required
Mediterranean 9/10
  • Low calorie
  • High vitamin C
  • Replaces salt and added fats
  • Traditional Mediterranean staple
Carnivore 5/10
  • Plant-derived fruit
  • Low sugar relative to other fruits
  • Acidic nature may aid digestion
  • Minimal nutritional density compared to animal products
Whole30 10/10
  • Whole fruit
  • No added sugar
  • No processing
Low-FODMAP 9/10
  • Low fructose content
  • Minimal polyols
  • Small typical serving sizes
DASH 9/10
  • 0mg sodium per medium fruit
  • High vitamin C content
  • Supports sodium reduction in cooking
  • Low glycemic impact
Zone 9/10
  • Very low glycemic load
  • Anti-inflammatory polyphenols
  • Minimal carb impact
  • Excellent for flavor without calories
  • High vitamin C content
  • Polyphenols and flavonoids
  • Low glycemic index
  • Supports antioxidant status
  • Minimal calories
  • Aids digestion
  • May reduce nausea
  • High vitamin C
  • Supports hydration
Last reviewed: Our methodology