Examples of using Are a rich source in English and their translations into Bulgarian
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                        Colloquial
                    
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                        Official
                    
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                        Medicine
                    
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                        Ecclesiastic
                    
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                        Ecclesiastic
                    
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                        Computer
                    
Alongside the benefits outlined above, they are a rich source of antioxidant vitamin E, plus a  group of
Photos are a rich source of knowledge which otherwise would be  hard to explain in a  textual form.
Raisins are a rich source of carbohydrates, 94% of which are  glucose
Chia seeds are a rich source B vitamins,
Elderberries are a rich source of vitamin A& C, which are  critical in helping the body maintain optimal health.
They are a rich source of fiber, contain healthy fats,
Oats are a rich source of magnesium- a  mineral that plays a  role in the formation of more than 300 enzymes,
Soybeans are  low in fat and calories and are a rich source of protein, fiber
Artichokes are a rich source of dietary fiber,
Elderberries are a rich source of vitamins A  and C, which are  crucial in helping the body maintain optimal health.
Fruits and vegetables are a rich source of antioxidants, which are  believed to play an  important role in maintaining good health.
The seeds are a rich source of unsaturated fatty acids,
They are a rich source of minerals, with high levels of magnesium,
They are a rich source of fiber and protein,
Kumquats are a rich source of Vitamin A  and beta carotene,
Explore your own life experiences; our lives and families are a rich source of material, especially when you can tell stories about what worked,
grams on an  empty stomach, because all of them are a rich source of protein, which can help you trim your waistline at a  rapid pace.
And importantly, it's a rich source of vitamin B12.
This incredible juice is a rich source of vitamins.
It is a rich source of calcium….