They are both healthy for you, but have slightly different health benefits. I had no idea chia seeds were for anything but growing cute critters! I cannot believe how many good things are in both, I use flax seed on a regular basis, have not found chia seeds in the store yet where I live, planning to order some online and use it same as I do flax.
Health Benefits of Foods
Natural Sweetener Ideas
This is just a few ideas for sugar substitutes, I hope some of them work for you! Maple syrup can be used in many desserts