Sweet Potato

Nutrition per ~85 g · ⅔ sweet potato

14.8 g net carbs after fiber.

Vitamins

Minerals & other

Bioactives estimated

Representative amounts for this food, not measured for this item. Real content varies widely by variety, ripeness and storage.

What drives the score weighted inputs

These are the scored components, not a sum: the published score also reflects normalisation across the catalog, so the parts above will not add to 89.

Less a 1.0 anti-nutrient penalty (moderate oxalates).

What it feeds primary sources only

Systems

Pathways

Overview

Sweet potato (Ipomoea batatas) originated in Central America and is now cultivated worldwide as a nutrient-dense staple. Unlike regular potatoes, sweet potatoes contain significantly higher levels of beta-carotene, delivering over 100% of daily vitamin A needs per 100g serving. The flesh contains bioactive compounds including caffeic acid and chlorogenic acid, which contribute antioxidant and anti-inflammatory properties. The 3.3g of fiber per 100g supports digestive health and stable blood glucose regulation. Sweet potatoes are particularly valuable for longevity due to their high carotenoid content (linked to reduced cardiovascular and cognitive decline risk), resistant starch formation when cooled (enhancing gut microbiota diversity), and manganese content supporting bone health and metabolic function. The orange variety is richest in beta-carotene, while purple varieties contain additional anthocyanins. Boiling preserves more nutrients than baking, and cooling cooked sweet potato increases resistant starch content. This food aligns well with Mediterranean and DASH dietary patterns associated with extended healthspan.

Health benefits 5

Pairs with

• Pair with olive oil or avocado because fat-soluble carotenoids (beta-carotene, lutein) require dietary lipids for optimal intestinal absorption and bioavailability
• Combine with leafy greens (spinach, kale) because the vitamin K in greens complements sweet potato's potassium and fiber for enhanced cardiovascular and bone support
• Eat with black beans or lentils because plant-based proteins increase amino acid completeness while legume polyphenols synergize with sweet potato carotenoids for anti-inflammatory effects
• Pair with fermented foods (sauerkraut, kimchi) because cooled sweet potato's resistant starch feeds probiotic populations from fermented foods, amplifying microbiota benefits

In the kitchen

• Cool cooked sweet potato to room temperature or refrigerate for 12+ hours to maximize resistant starch formation, which provides prebiotic effects and lowers glycemic impact
• Choose orange-fleshed varieties for highest beta-carotene content (up to 1000+ μg/100g), or purple varieties for additional anthocyanins; store in a cool, dark place (not refrigerated) for 2-3 weeks
• Boil instead of bake to better preserve heat-sensitive vitamin C and reduce acrylamide formation; aim for 15-20 minute boil to retain firmness
• Include skin in preparations when possible (after thorough washing), as the peel concentrates fiber and contains additional polyphenols
• Consume with adequate fat (1-2 tsp olive oil or 1/4 avocado) at same meal to maximize carotenoid absorption by up to 6-fold

When to eat it anytime

Sweet potato's balanced carbohydrate-to-fiber ratio (3:1 carbs:fiber) provides sustained energy appropriate for any meal. For glycemic control, pairing with protein and fat is more important than timing; however, including cooled sweet potato with lunch or dinner optimizes resistant starch benefits as the microbiota peaks in activity in late afternoon/evening.

Breaks a fast

Sweet potato's 90 kcal/100g and 20.7g carbs break a fast; suitable for eating windows in intermittent fasting protocols. Cooled preparations (potato salads, cold roasted pieces) maximize resistant starch benefits regardless of meal timing.