I managed to find all of your ingredients here in New Zealand — we have an excellent organics shop that stocks both agave nectar and plain soy yoghurt.
Yoghurt - All yoghurts including reduced fat or full cream, plain and flavoured, soy yoghurt (calcium forYoghurt - All yoghurts including reduced fat or full cream, plain and flavoured, soyyoghurt (calcium foryoghurt (calcium fortified)