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Green spirulina powder, tablets and capsules in various jars on a wooden white table. Top view. A copy space. Biological, natural food additive
Sodium pyrophosphate or Tetrasodium pyrophosphate (anhydrous) TSPP on blue background. White chemical powder, inorganic compound with formula Na4P2O7. Food additive E450.
Businessman pushing button positive or medical thing.
Simple mathematical addition on a wooden surface

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