Nutricost Pure Ascorbic Acid Powder (1LB) Unflavored, Vitamin C Powder

Customers find this vitamin C powder to be a high-quality supplement that works effectively as an iron stain remover and instantly removes yellow/brown stains in plaster pools. The powder dissolves well in water and other drinks, and customers appreciate its health benefits, particularly for bolstering the immune system. While some customers find the taste pleasant, others describe it as very sour. The product receives mixed feedback about the measuring tool, with some customers noting it comes with a tiny scoop while others mention it's not included as advertised.