Nutrition plays an essential role in the maintenance, prevention, and management of human health across the lifespan. The OSHAA 30-Hours Professional Diploma in Role of Nutrition in Human Health offers a comprehensive, scientifically grounded introduction to the ways in which dietary habits influence physical, mental, and emotional wellbeing. Delivered in line with UK professional standards, this course is ideal for participants who seek to understand the complex relationship between nutrition and health in both clinical and everyday contexts.
The impact of nutrition on human health has been widely acknowledged across all branches of healthcare and wellness. Whether addressing chronic conditions, supporting immune function, or promoting optimal development, nutritional knowledge is now essential for informed practice. This diploma provides participants with a foundational yet in-depth understanding of macro and micronutrients, dietary needs, and nutritional strategies to promote health and prevent disease.
The course spans 30 guided hours and is structured to ensure a balance of theoretical knowledge and practical relevance. Participants examine the physiological effects of nutrients, the importance of balanced diets, and the role of nutrition in managing common health conditions. Attention is also given to current dietary guidelines, food labelling, and emerging research in the field.
Each unit is designed to build progressively, enabling participants to develop an integrated understanding of how nutrition affects energy levels, organ function, immunity, and long-term health outcomes. Case-based discussions and real-world applications are incorporated to reinforce learning and professional relevance.
Following the completion of this diploma, participants may wish to pursue advanced courses in nutrition science, dietetics, health coaching, or public health. The skills and knowledge gained serve as a stepping stone to a broad range of opportunities in health and wellness careers.
OSHAA 30-Hours Professional Diploma in Role of Nutrition in Human Health
Study Units
Learning Outcomes
Introduction to Human Nutrition and Health (3 hours)
- Understand the basic principles of human nutrition and its relevance to overall health
- Recognise the relationship between diet, lifestyle, and disease prevention
- Identify the role of nutrition in supporting physiological functions
- Gain awareness of the importance of balanced eating patterns
Macronutrients: Carbohydrates, Proteins, and Fats (4 hours)
- Describe the functions and dietary sources of carbohydrates, proteins, and fats
- Understand the digestion, absorption, and metabolism of macronutrients
- Evaluate the role of macronutrients in energy balance and body composition
- Assess dietary intake in relation to macronutrient requirements
Micronutrients: Vitamins and Minerals in Human Function (4 hours)
- Identify essential vitamins and minerals and their key roles in human health
- Understand signs of micronutrient deficiencies and toxicities
- Discuss factors influencing micronutrient bioavailability
- Examine dietary strategies to meet micronutrient needs
Hydration, Electrolyte Balance, and Digestive Health (6 hours)
- Understand the importance of water and electrolytes in maintaining health
- Explain the processes of fluid balance and regulation
- Explore the anatomy and function of the digestive system
- Recognise how nutrition impacts gut health and nutrient absorption
Nutrition Through the Life Cycle: Infancy to Older Age (3 hours)
- Identify the changing nutritional needs at each stage of life
- Understand the impact of nutrition on growth, development, and ageing
- Discuss feeding practices during infancy, childhood, and adolescence
- Explore nutritional considerations for pregnancy, adulthood, and older age
Nutrition and Chronic Disease Prevention (4 hours)
- Understand the role of diet in the prevention and management of chronic diseases
- Examine dietary risk factors linked to cardiovascular disease, diabetes, and obesity
- Explore evidence-based nutritional strategies for health promotion
- Discuss the importance of long-term dietary habits in disease prevention
Food Labels, Dietary Guidelines, and Portion Control (3 hours)
- Interpret nutritional information on food labels accurately
- Apply national dietary guidelines to meal planning
- Understand the concept of portion control and energy balance
- Develop skills for promoting healthier food choices
Nutritional Considerations in Mental Health and Cognitive Function (3 hours)
- Explore the link between nutrition and brain function
- Understand the impact of diet on mood, behaviour, and cognitive performance
- Identify nutrients that support mental wellbeing
- Discuss emerging research on dietary patterns and psychological health
Course Benefits – OSHAA 30-Hours Professional Diploma in Role of Nutrition in Human Health
- Provides a comprehensive understanding of how nutrition influences physical and mental health
- Equips participants with evidence-based knowledge to support healthier dietary choices
- Enhances awareness of nutrient functions and dietary requirements across all life stages
- Builds the ability to interpret food labels, apply dietary guidelines, and promote balanced eating
- Strengthens understanding of nutrition’s role in preventing and managing chronic diseases
- Encourages the application of nutrition principles in health, wellness, and community settings
- Supports professional development in healthcare, fitness, education, and allied fields
- Prepares participants for further study or specialisation in nutrition or public health
- Encourages critical thinking around nutritional trends, misinformation, and policy
- Aligns with current UK health priorities and global nutrition standards for population wellbeing
The OSHAA 30-Hours Professional Diploma in Role of Nutrition in Human Health is designed for participants with an interest in understanding the vital connection between diet and wellbeing. This course is suitable for:
- Healthcare professionals aiming to integrate nutritional awareness into their practice
- Fitness trainers and wellness coaches looking to support clients with dietary guidance
- Educators and community workers involved in promoting public health initiatives
- Complementary and alternative therapy practitioners seeking to broaden their holistic care approach
- Individuals exploring a career in nutrition, dietetics, or health education
- Anyone committed to enhancing their knowledge of how nutrition impacts physical, mental, and emotional health
No prior qualification in nutrition is required, making the course accessible to both newcomers and experienced professionals seeking a structured, professionally recognised foundation.
