Is grassfed meat and dairy better for human and environmental health?

Summary

This narrative review synthesises evidence that plant diversity and phytochemical richness in livestock foraging landscapes enhance the nutritional quality of meat and dairy products, with implications for human health and climate mitigation. The authors argue that livestock fed on phytochemically rich pastures produce meat and dairy with greater antioxidant protection against oxidative stress and systemic inflammation, whereas grain-fed systems and highly processed human diets contribute to chronic disease burden. The paper positions regenerative grazing and silvopasture among the most effective agricultural approaches for greenhouse gas sequestration and simultaneous improvement in food quality.

Regional applicability

The principles outlined—plant diversity in pasture systems, phytochemical richness, and regenerative grazing—are applicable to United Kingdom pastoral and mixed farming systems, particularly in upland and extensive grassland areas. However, the abstract does not cite UK-specific data or policy contexts; applicability would require assessment of how UK forage species composition, grazing management practices, and market structures for grassfed products align with the authors' framework.

Key measures

Phytochemical richness of forage diets; biochemical composition of meat and dairy; protein oxidation and lipid peroxidation markers; prevalence of overweight/obesity, type II diabetes, heart disease, and cancer; greenhouse gas emissions; carbon sequestration potential of regenerative agriculture systems

Outcomes reported

The paper examines whether phytochemical richness in herbivore diets enhances the biochemical composition of meat and dairy products, and how this relates to human health outcomes and greenhouse gas mitigation. It reviews evidence linking landscape plant diversity, livestock forage quality, dietary patterns, and chronic disease incidence.

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