Frailty and Malnutrition in Older Adults:

As we age, maintaining good nutrition becomes increasingly important—but it can also become more challenging. Many older adults experience changes in appetite, mobility, medical conditions, and social circumstances that can make eating well difficult.

Over time, these challenges can contribute to malnutrition and frailty, two closely linked conditions that can significantly impact health, independence, and quality of life.

At Dig In Health Co, we know that nutrition is far more than simply eating enough. The right nutrition at the right time can help older adults maintain strength, recover from illness, reduce hospital admissions, and continue living independently for longer.

What is Frailty?

Frailty is a medical syndrome characterised by reduced strength, endurance, and resilience. A person living with frailty is more vulnerable to health setbacks following relatively minor events, such as a fall, infection, or short hospital stay.

Signs of frailty may include:

• Unintentional weight loss

• Reduced muscle strength

• Fatigue or low energy

• Slow walking speed

• Reduced physical activity

• Difficulty recovering after illness

  
  

Frailty is not an inevitable part of ageing. While age increases the risk, early identification and

appropriate nutrition and exercise interventions can help slow or even reverse aspects of frailty.

Understanding Malnutrition

Malnutrition occurs when the body does not receive enough energy, protein, or essential nutrients to meet its needs. Contrary to popular belief, a person does not have to appear underweight to be malnourished. Older adults of any body size can be at nutritional risk.

Common causes include:

• Reduced appetite

• Difficulty chewing or swallowing

• Chronic illness

• Dementia

• Medication side effects

• Depression or social isolation

• Financial barriers

• Increased nutritional requirements during illness or recovery

Without adequate nutrition, the body begins to lose muscle mass and strength, making everyday tasks more difficult and increasing the risk of falls, infections, pressure injuries, delayed wound healing, and hospitalisation.

The Connection Between Frailty and Nutrition

Nutrition plays a central role in both preventing and managing frailty. Protein is particularly important for maintaining muscle mass and strength, while adequate energy intake prevents the body from breaking down muscle for fuel. Vitamins and minerals such as vitamin D, calcium, and B vitamins also support bone health, muscle function, and overall wellbeing. When nutritional needs are not met, muscle loss accelerates. This can quickly lead to reduced mobility, increased dependence on others, and poorer health outcomes.

Early nutrition intervention can help:

• Preserve muscle mass and strength

• Improve energy levels

• Support wound healing

• Enhance recovery after illness or surgery

• Reduce the risk of falls

• Improve quality of life

• Support independence for longer

When Food Alone Isn't Enough

For many older adults, increasing food intake alone may not be enough to meet their nutritional requirements. Illness, poor appetite, increased nutritional needs, or difficulty eating may mean that oral nutritional supplements are needed to provide additional energy, protein, vitamins, and minerals. These supplements are prescribed based on comprehensive nutrition assessment and are selected to meet an individual's specific medical and nutritional needs. Not every nutritional supplement is suitable for every person. An Accredited Practising Dietitian (APD) considers factors such as medical history, dietary intake, weight changes, swallowing ability, kidney function, diabetes management, and personal preferences before recommending the most appropriate product.

The Important Role of an Accredited Practising Dietitian

Accredited Practising Dietitians (APDs) play a vital role in identifying malnutrition and developing personalised nutrition plans for older adults.

A dietitian can:

• Assess nutritional status and malnutrition risk.

• Identify the underlying causes of poor intake.

• Develop realistic meal and snack plans.

• Recommend high-protein and high-energy food strategies.

• Work alongside speech pathologists when swallowing difficulties are present.

• Recommend appropriate oral nutritional supplements when clinically indicated.

• Monitor progress and adjust nutrition plans as health needs change.

  
  

While GPs play an essential role in managing a person's overall medical care, APDs have specialised expertise in nutrition assessment and the prescription of oral nutritional supplements as part of an individualised nutrition care plan. They ensure that the right product, dosage, and duration are selected to safely meet each person's nutritional requirements. Importantly, clients prescribed oral nutritional supplements by an APD require regular review and monitoring. Nutritional needs can change over time, particularly following illness, hospital admission, changes in weight, or improvements in appetite. Regular dietetic reviews help ensure supplements remain appropriate, are achieving the desired outcomes, and can be adjusted or ceased when no longer required.

Funding Support for Nutritional Supplements

For some older Australians, the cost of oral nutritional supplements may be able to be supported through their aged care funding, including a Support at Home package where clinically appropriate and aligned with their care plan. (*This can also apply to DVA CARD holders)

An Accredited Practising Dietitian can assess eligibility, recommend suitable products, and work with care providers and care coordinators to determine whether nutritional supplements can be funded as part of a client's approved supports.

Why Early Intervention Matters

One of the biggest misconceptions about malnutrition is that it only becomes a problem after significant weight loss has occurred. In reality, early intervention leads to better outcomes. Even small changes in appetite, weight, or strength should prompt a nutrition assessment.

Families and carers should seek advice if they notice someone:

• Eating less than usual.

• Losing weight unintentionally

• Feeling weaker.

• Having difficulty preparing meals

• Recovering slowly after illness

• Becoming increasingly fatigued

  
  

Addressing these concerns early can prevent further decline and improve long-term health

outcomes.

Good Nutrition Supports Healthy Ageing

Frailty and malnutrition are not inevitable consequences of growing older. With early assessment, individualised nutrition support, and ongoing care from an Accredited Practising Dietitian, many older adults can maintain their strength, independence, and wellbeing for longer. If you or someone you care for is experiencing unintentional weight loss, poor appetite, or increasing frailty, speaking with an Accredited Practising Dietitian can make a significant difference. Nutrition is one of the most effective tools we have to support healthy ageing—and it's never too early to seek support.

Let’s Work Together

At Dig In Health Co, our Accredited Practising Dietitians provide personalised nutrition care for older adults living at home, receiving community aged care services, or residing in residential aged care. We work closely with clients, families, GPs, nurses, support-coordinators, aged care providers, and other healthcare professionals to develop practical, evidence-based nutrition plans that support healthy ageing. From preventing weight loss and managing frailty to prescribing and monitoring oral nutritional supplements, our goal is to help older Australians maintain their strength, independence, and quality of life. You can learn more or book an appointment at: www.diginhealthco.com.au