梅恩解释道，所有这些维生素和植物化学的综合效果似乎比单一摄取的养分提供更大能量。
The combined effect of all these vitamins and phytochemicals seems to have much greater power than one nutrient taken alone, Mayne explains.
批评者说，他们会导致人们摄取过多的特定养分，以及过多的热量和脂肪。
Critics say they could lead people to consume too much of certain nutrients, plus too many calories and fats.
许多研究表明，对转基因作物应用草甘膦干扰农作物的养分摄取、增加病虫害，并减少活力与产量。
Glyphosate applications to the crop have been shown in studies to interfere with nutrient uptake, to increase pests and diseases, and to reduce vigour and yield.
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