Micronutrient Pathways: From Soil to Supplement Shelf unpacks the hidden science behind the essential nutrients our bodies depend on—and the remarkable journey they take from natural origins to the human bloodstream. In this timely and comprehensive volume, P. Norchai, PhD, examines the full lifecycle of vitamins and minerals, revealing how they are sourced from soil, plants, animals, and marine organisms, then transformed through food systems, biotechnology, and global regulation into the supplements and fortified foods we consume every day.

Blending nutritional biochemistry, food technology, agriculture, and public health, this book offers a rare systems-based view of how micronutrients—despite being needed in only trace amounts—are pivotal to everything from cellular function and disease prevention to cognitive development and immune strength.

Readers will explore:

How soil composition, farming practices, and climate affect the nutrient density of crops The roles of microbial ecosystems and rhizospheric activity in enhancing plant nutrient uptake Differences in bioavailability between nutrients in food and in supplement form The science of animal-sourced vitamins such as B₁₂, D₃, and heme iron, and their unique physiological relevance The value and risk of marine-based nutrients, including iodine, selenium, and omega-3s How vitamins are extracted—naturally, chemically, and through microbial fermentation Regulatory frameworks such as GMP, labeling standards, and supplement classifications Emerging innovations like biofortification, algal technologies, and personalized nutrition The global burden of micronutrient deficiencies and the ethical challenges in food fortification

Whether you are a student, researcher, nutritionist, food technologist, or simply curious about what happens between the soil and your supplement bottle, this book provides the scientific foundation and real-world insight to navigate the complex world of micronutrients.

With its clear structure, academic rigor, and wide topical range, Micronutrient Pathways serves as both a textbook and a deep reference guide—connecting ecology, industry, and health in one vital narrative. From soil microbiomes to supplement capsules, this is the story of how the smallest nutrients shape the future of global nutrition.

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