Rainforest foods chia seeds 300g the seed of a south american herb chia is believed to have been a staple food of the aztecs said to help mental acuity physical endurance and wellbeing it is still a core food in southern mexico and guatemala chia seed boasts abundant omega 3 and omega 6 fatty acids in an optimum ratio for good health it also provides protein vitamins minerals and antioxidants it contains vitamins a b1 2 3 6 and 8 plus e plus calcium potassium iron magnesium