And will the benefits outweight the costs?

收益会超过成本吗？

They are healthy additions to a balanced diet, yet often, they're marketed as part of sugary drinks or cereals, in which case the negative properties outweight the benefits.

它们是均衡饮食的健康补充，但通常，它们作为含糖饮料或谷物的一部分进行销售，在这种情况下， 负面特性超过了好处。