I hadn't heard of Chia seeds before - but googling turned up the following BBC article, which says Chia seeds are a super-food, which should be available from health food shops:

https://www.bbcgoodfood.com/howto/guide/health-benefits-chia-seeds

Your blog has the most interesting recipes on Hive. Have you considered writing a travel-and-recipe book and self-publishing on amazon?