Short answer: When appetite is low, choose smaller tolerable meals that provide meaningful nutrition, eat slowly and maintain fluids. Persistent inability to eat, vomiting, severe abdominal pain or dehydration needs medical advice.
Reduced appetite is not the same as no nutritional need
GLP-1 medicines can make people feel fuller and less hungry. That is part of how some products work, but very low intake can make it difficult to obtain adequate protein, energy, fibre and micronutrients.
Prioritise the foods you tolerate
Use smaller eating occasions if advised, include a protein source and add fibre gradually. Bland or lower-fat foods may be easier for some people experiencing nausea, but there is no single diet that works for everyone.
Where a meal replacement may help
A prepared Daily Shake may offer a defined meal when cooking or solid food feels difficult. Use the complete serving and liquid directions, and discuss regular use with the clinician or dietitian supporting your GLP-1 treatment.
Do not ignore warning signs
Contact your healthcare team for persistent vomiting, severe or ongoing abdominal pain, inability to keep fluids down, symptoms of low blood glucose, or rapidly declining intake. Do not independently change the medicine dose.
Frequently asked questions
Should I eat even when not hungry?
Your clinician can help plan appropriate intake based on symptoms and medical treatment.
Should I avoid fibre?
Not automatically. Increase it gradually and adjust based on tolerance and professional advice.
Can I live on shakes?
No. Formulated meal replacements are not total diet replacements.
Australian sources and further reading
This article provides general information only. It does not replace advice from your prescribing clinician, GP, pharmacist or accredited practising dietitian. Follow the current medicine and product labels.
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