775mg/100g. Friso is an infant milk powder brand owned by Royal FrieslandCampina. The milk powder is sourced from its own farms in the Netherlands. The calcium content of the Hong Kong version of Royal Friso in Stage 3 is 775mg/100g. In 2004, Royal FrieslandCampina was awarded the title of "Royal" by the Dutch royal family, the only company in the industry.