Refined from silkworm pupa, soybean meal and soy protein isolate, this product has a high total free amino acid content and solves the problems associated with producing amino acid oral liquids and beverages. Residual fat in the pupa material is ≤3%, the fishy odour is well removed and no harmful solvent residues remain. Total amino acids ≥75% with essential amino acids above 40%, in line with the FAO/WHO reference pattern. The product is highly water-soluble with no precipitation (water-insoluble matter ≤0.1%) and can be blended with calcium, iron, zinc or herbal ingredients without reaction or sedimentation; pH is precisely adjustable. Complies with enterprise standard Q/RYS0007S-2024, packed in 20 kg or 25 kg cartons.