/ / NPG 100% Pure Purple Sweet Potato Powder - All-Natural Food Coloring (8 oz)

NPG 100% Pure Purple Sweet Potato Powder - All-Natural Food Coloring (8 oz)

A single-ingredient purple sweet potato powder for coloring food. The label says it is freeze-dried.

Seed-oil freeNo added sugarNo artificial dyesNo artificial flavorsNo natural flavorsNo synthetic preservativesNo added nitritesNo phosphates
$22.17 8 oz · lowest price at Nuvantry
Price and stock checked Oct 30, 2026
Key nutrition facts
15caloriesPer serving · 1 tbsp (4g)
Protein
0g
Fiber
1g
Added sugar
0g
Sodium
0mg
Saturated fat
0g
From the product label
Ingredients: Purple sweet potatoes
83 / 100
Good Scored automatically
Weighted as salt, spices, baking staplesMedium confidence · Scored on 10 of 11 inputs
Nutrition · counts 5%50
Ingredients · counts 45%100
Processing · counts 20%85
Sourcing · counts 10%50
Transparency · counts 20%65
Why it scores 83
Nutrition 50 · Used in small amounts, so nutrition barely counts
Ingredients 100 · Single ingredient: Purple sweet potatoes
Processing 85 · Single-ingredient sweet potato powder; freeze-dried
Sourcing 50 · Origin and growing practices aren't stated
Transparency 65 · Complete single-ingredient list; no origin details
Evidence behind the Ingredients deductionsNone: no added sugar, seed oils, dyes, sweeteners or flagged additives were found.
Scored Oct 20, 2026 · Scoring guide v3.1 · Updated Oct 20, 2026 · See what changed

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Ingredients
Purple sweet potatoes
1 ingredient
Sourcing

Origin not disclosed on the product page.

AdditivesNo additives found

No additives, added sugars, seed oils or flavourings found in the ingredient list.

Matched from the ingredient list. Risk levels summarise findings from EFSA, the FDA, IARC and published studies; they explain a concern, not a diagnosis.

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