FoodRef
Sweet potato

Vegetables

Sweet potato

8/ 10Excellent
Controversy: 7.2

Rated by 11 diets

7 approve1 caution3 avoid

The diets react (see scores below)

Approves7
Caution1
Disapproves3
Is Sweet potato Healthy?

Yes — Sweet potato is broadly considered healthy. 7 out of 11 diets approve it.

Nutrition Facts
Per 100g
Calories
86kcal
Protein
1.6g
Carbs
20g
Fat
0.1g
Fiber
3g
Sugar
4.2g
Sodium
55mg

Diet Ratings

KetoAvoid

One medium sweet potato contains approximately 20g net carbs, consuming the entire daily carb allowance for many keto practitioners. High starch content and glycemic load make it fundamentally incompatible with ketosis maintenance.

VeganApproved

Whole plant tuber with no animal products or derivatives. Exemplary whole-food vegan staple.

PaleoApproved

Tuber available to Paleolithic humans. Rich in beta-carotene, fiber, and potassium. Unprocessed whole food. Widely accepted in paleo diet as a safe starch.

MediterraneanApproved

Whole grain alternative with fiber, vitamins, and antioxidants. Fits Mediterranean emphasis on whole plant foods. Minimal processing when prepared simply. Moderate portion control recommended.

CarnivoreAvoid

Sweet potato is a starchy plant tuber with high carbohydrate content. Excluded from carnivore diet.

Whole30Approved

Whole starchy vegetable with no added ingredients. Explicitly compliant as a potato variety.

Low-FODMAPApproved

Monash University confirms sweet potato is low-FODMAP at standard serving sizes (approximately 150g). Low fructan content when cooked.

DASHApproved

Excellent DASH vegetable. Very low sodium, high potassium, good fiber, rich in beta-carotene. Whole grain-like nutrient profile supports DASH goals.

ZoneAvoid

High glycemic index despite 'healthy' reputation. One medium sweet potato (~24g carbs) causes significant insulin response. Sears explicitly categorizes starchy vegetables (potatoes, corn) as high-glycemic carbs to eliminate. Incompatible with Zone anti-inflammatory protocol.

Whole grain carbohydrate with high beta-carotene, vitamin C, and polyphenols. Moderate glycemic index when cooked. Fiber content supports healthy inflammation response. Preferred starch choice in anti-inflammatory diet.

Moderate fiber (3.9g per medium baked) and good carbohydrate quality, but low protein (2g per medium baked) and moderate calorie density (103 cal per medium baked). Natural sugars (5.5g per medium) are moderate. Easy to digest and nutrient-dense, but must be paired with high-protein food to meet meal requirements. Portion-sensitive due to calorie density.

Nutritional profile

Six traits that cut across every diet.

Fiber & Plants

How much whole-plant food and fiber it delivers.

7/10

Healthy Fats

The quality of its fats (unsaturated, omega-3).

2/10

Whole / Unprocessed

How close it is to its natural, unprocessed form.

9/10

Gut Gentle

How easy it is on digestion (low FODMAP, few irritants).

6/10

Low Glycemic

How little it spikes your blood sugar.

5/10

Protein Density

How much protein it packs per calorie.

2/10
7-104-61-3

Controversy Index

Score range: 110/10. Higher controversy = more disagreement between diets.

Consensus7.2Divisive

Diet-Specific Tips for Sweet potato

Vegan 10/10
  • 100% plant-based
  • Whole food
  • Nutrient-dense
  • No processing required
Paleo 8/10
  • Tuber
  • Nutrient-dense
  • Safe starch
  • Fiber-rich
Mediterranean 8/10
  • whole food
  • high in fiber
  • antioxidant-rich
  • nutrient-dense carbohydrate
Whole30 9/10
  • Whole vegetable
  • Starchy carbohydrate
  • Nutrient-dense
Low-FODMAP 8/10
  • Low fructan content
  • Minimal polyol content
  • Monash-tested and approved
DASH 9/10
  • Very low sodium
  • High potassium
  • Good fiber content
  • Rich in beta-carotene
  • Moderate glycemic index
  • Beta-carotene
  • Polyphenols
  • Dietary fiber
  • Moderate glycemic index
  • moderate fiber
  • low protein
  • moderate calorie density
  • moderate natural sugar
  • good nutrient density
  • easy to digest