Van der Merwe Biltong Ltd (UK). Biltong is a South African delicacy made by air curing spiced beef and game. It has high protein levels and a minimum of fat. It requires approximately 220 grams of meat to produce 100 grams of biltong resulting in a product that is concentrated protein that preserves many of the trace elements normally lost in the cooking process. It is becoming increasingly popular in the UK particularly with sports men and women of all disciplines who like it for its unique properties and the fact it is delicious. Our products start at £2.95 with delivery from £1.