GLP‑1 Nutrition Support in Cape Town
Expert dietitian-led care for people using Ozempic®, Wegovy®, Mounjaro® and similar medications—reduce side effects, protect muscle mass, and build sustainable habits.
Understanding Nutrition on GLP‑1 Medication

GLP‑1 medications such as semaglutide (e.g., Ozempic®, Wegovy®) and liraglutide (e.g., Saxenda®) can be powerful tools for appetite regulation, improving blood sugar, and supporting weight‑related health goals. But they also change how — and how much — you eat.
There’s no single “GLP-1 diet.” But professional guidelines now emphasise pairing GLP-1s with targeted nutrition and lifestyle plans to improve results and reduce risks (e.g. gastrointestinal (GI) side effects, inadequate protein, lean mass loss).
You don’t have to navigate these changes alone.
As a registered dietitian, I provide evidence‑based, personalised GLP‑1 nutrition support to help you stay nourished, maintain muscle mass, and build habits you can sustain long after treatment.
Who Benefits from GLP‑1 Nutrition Support?
- Adults prescribed GLP‑1 medication for weight management
- Patients experiencing nausea, fatigue, or poor appetite
- Individuals concerned about muscle loss or poor nutrient intake
- Those wanting long‑term habit change, not short‑term weight loss
- Cape Town patients seeking local, professional support
Why Nutrition Support Is Essential When Using GLP‑1 Medication
GI side‑effects (nausea, vomiting, diarrhoea/constipation) are common—typically during dose‑escalation. Pacing meals and macronutrients can help.
Rapid weight loss can include lean mass reduction; protein distribution and resistance training help protect muscle/bone.
Leading organisations now outline nutrition & lifestyle priorities to accompany GLP‑1 therapy (baseline screening, protein adequacy, strength training, sleep, and stress management).
What to Expect from GLP‑1 Nutrition Support Consultation
01
Baseline assessment
Medical history, diet history, body composition, readiness/goals; coordination with your prescriber.
02
Titration phase eating pattern
Smaller meals; lower fat and specific food choices during escalation to ease nausea.
03
Protein first framework
Plan protein across meals/snacks to support satiety and preservation of lean mass; we individualise targets and monitor tolerance. (Professional advisories emphasise protein adequacy and meal distribution with GLP 1s.)
04
Fibre & hydration strategy
To reduce constipation while avoiding GI aggravation during dose changes. (Side effects are predominantly GI.)
05
Micronutrient adequacy
Emphasise nutrient dense foods when appetite is low, to ensure adequacy.
06
Longer Term
Transition planning for long‑term maintenance.
GLP 1 Safety & Side effects: What to expect
Most common: nausea, vomiting, diarrhoea, abdominal pain, constipation—often transient and dose related. Follow your prescriber’s titration schedule. Our role is nutrition support; medication decisions remain with your prescriber. (We can share summaries of your progress should you wish.)
Book GLP‑1 Nutrition Support with a Cape Town Dietitian
FAQ’s
Some of the questions we often get asked
No—there isn’t a single official diet. The latest expert advisory recommends patient centred nutrition & lifestyle plans alongside GLP 1s (protein adequacy, resistance training, sleep, stress).
In early weeks or during dose increases, opt for small, low‑fat meals and sip fluids. We then gradually liberalise as tolerance improves.
Any significant weight loss can include lean mass reduction. Observational and trial data suggest a meaningful proportion of loss can be lean. Pairing adequate protein + exercise helps protect muscle.
Targets are individualised (medical history, kidney function, goals). Professional guidance stresses protein adequacy and distribution across meals, plus resistance training—we’ll create a safe, personalised plan for you.
Speak to your prescriber promptly; we’ll adjust nutrition strategies, but dose timing/formulations are medical decisions. Never change or stop a prescription without medical advice.
You May Also Benefit From Other Dietetic Services
Nutrition needs often overlap, and some clients benefit from additional support depending on their health goals, medical history, or stage of treatment.
If relevant, you may also find the following dietetic services helpful:

Gut & Digestive Health
IBS, bloating, intolerances and sensitive digestion — supported with personalised, evidence‑based strategies.

Weight Management
Donnay believes in working with you to make a series of small changes over time, which are realistic and achievable, to help you reach your weight loss goals.
Start Your Journey to Better Health Today
Take the first step today. Get personalised, evidence‑based guidance from an HPCSA‑registered dietitian—designed around your lifestyle, goals, and long‑term wellbeing.

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South Peninsula & Southern Suburbs, Cape Town

