Yoghurt:
Coconut Yoghurt
Look for one with less than 5g/100g carbs, no added sugar and a small list of ingredients. Unflavoured is usually the best choice as flavoured ones are packed with added sugars
Coyo stockists list specific to your location:
Coles brand found here:
Born Cultured can be found at All About Organics and Drakes online:
Dairy Yogurt
Can be found at Woolworths: