Berry Blend Flax Cholesterol can also be reduced by adding flax to the diet. New research also suggests that ALA (alpha-linolenic acid) offers protective effects against both coronary heart disease and stroke. The antioxidants in berries can help your body fight oxidative stress caused by free radicals that can lead to illness. Eating a diet rich in antioxidants can help improve your health, protect your skin and hair, and prevent certain diseases. All fruits and vegetables contain antioxidants, but nutrient-rich berries are some of the absolute best sources.