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Reference: FDA Daily Value — general comparison
This changes the comparison scale and rankings. Reference values are not personalized dietary recommendations.
One reviewed raw USDA record is used for each vegetable.
Comparing Sweet potato, 100 g with Spinach, 100 g.
Complementary to Sweet potato
Different vitamin and mineral strengths.
Suggestions compare 100 g of each food.
Sweet potato vs Spinach
100 g is a comparison basis. Adjust to your portion.
At these amounts · up to 4 highlights per food · %DV
Higher in Sweet potato
Pantothenic acid (B5)
Vitamin A
Copper
Higher in Spinach
Vitamin K (K1)
Folate
Vitamin C
Manganese
All 21 comparable nutrients
Vitamins
Vitamin A
Thiamin (B1)
Riboflavin (B2)
Niacin (B3)
Pantothenic acid (B5)
Vitamin B6
Folate
Vitamin B12
Vitamin C
Vitamin D
Vitamin E
Vitamin K (K1)
Minerals
Calcium
Copper
Iron
Magnesium
Manganese
Phosphorus
Potassium
Selenium
Zinc
Sweet potato at a glance
Largest vitamin and mineral contributions per 100 g.
Vitamin A
78.8% DV
Copper
16.8% DV
Pantothenic acid (B5)
16% DV
Vitamin B6
12.3% DV
Data and coverage
Common vegetables in simple raw forms. One reviewed raw USDA record is used for each vegetable.
21 nutrients have complete reporting for every food in this group. Missing reports are excluded from rankings.
USDA — Sweet potato: FDC 168482. Spinach: FDC 168462.
Amounts scale the reported USDA values proportionally.
Explore examples
A top complementary match from each food group.
Fruits
Apple + Pineapple
Adds Manganese, Vitamin C, Copper.
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Beans
Black beans + Chickpeas
Adds Manganese, Iron, Zinc.
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Nuts
Almonds + Cashews
Adds Vitamin K (K1), Selenium, Thiamin (B1).
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Vegetables
Broccoli + White mushroom
Adds Copper, Niacin (B3), Riboflavin (B2).
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Seeds
Chia seeds + Sunflower seeds
Adds Vitamin E, Folate, Riboflavin (B2).
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How comparisons work
Similar foods have the closest vitamin and mineral patterns and amounts. Complementary foods combine substantial amounts with a different pattern, compared one at a time with your starting food. Neither ranking measures overall food quality or culinary compatibility.
Rankings use a consistent 100 g basis within each food group, not a suggested serving. FDA Daily Values are the default reference; selecting a DRI profile recalculates the rankings. These references are not individualized recommendations.
Results cover only the reviewed foods and shared nutrients, not a complete diet. They exclude fiber, protein, phytonutrients, glycemic response, bioavailability, cost, taste, and allergies. Nutrient relationships do not establish dietary completeness or biological synergy. Individual needs vary; this guide is not medical advice.
Method and sources
Food composition comes from USDA FoodData Central, using one reviewed, fixed FDC ID per food. Beans are cooked without salt; nuts and seeds are plain and unsalted. Variety, storage, and preparation can change actual nutrient amounts.
Charts show raw, uncapped %DV or selected-profile %DRI. The complementary ranking applies f(x) = 1 − exp(−x/20) to reduce domination by very large reference percentages, then uses an unnormalized Gram determinant to measure the area spanned by each pair. This exploratory geometric ranking is not a clinical score, adequacy measure, or dietary recommendation.
Niacin equivalents combine USDA niacin with its documented tryptophan contribution. Vitamin K currently represents USDA phylloquinone (K1). Missing USDA reports are excluded from a category's common nutrient set rather than treated as zero; only nutrients reported for every food in a group are compared.
FDA Daily Values come from the FDA Daily Value reference table. The 20% saturation scale is a provisional FoodMaya model parameter, not a biological or literature-derived threshold.
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