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Renewal Institute Diet (RID)

The Renewal Institute Diet (RID) is a scientifically developed, medically supervised weight loss programme designed to help shed stubborn fat, restore metabolic balance, and promote long-term health. Developed by Dr Maureen Allem and her team of medical professionals at Skin Renewal, RID combines cutting-edge science, personalised care, and holistic health principles to transform how you lose weight—safely and sustainably.
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Why the RID Diet Works Wonders

Renewal Institute Diet (RID) at a glance

  • Best Results
    Best Results

    3-6 Months (depending on weight loss)

  • Anaesthetic
    Anaesthetic

    None

  • Duration
    Duration of Results

    12 Months (depending on lifestyle after weight loss)

  • Procedure Time
    Procedure Time

    30min for follow up consultations

  • Treatment Recovery
    Treatment Recovery

    Daily

  • Skin Specialist
    Skin Specialist

    Doctor and Health Coach

  • Risk Compliance
    Risks & Complications

    Low

  • Back to Work
    Back To Work

    Same Day

Why Choose the RID Diet at Skin Renewal?

RID is more than just a diet—it’s a doctor-led transformation programme. Every patient undergoes a full medical consultation and is supported by monthly health coaching sessions to ensure personalised attention, motivation, and accountability throughout their journey.


Key Features:



What Makes RID Different?


The RID Diet is rooted in functional and integrative medicine. It offers a low-glycaemic load (GL) eating plan supported by proven supplements and lifestyle interventions. Rather than just the symptoms, it’s designed to address the root causes of weight gain, including hormonal imbalances, inflammation, and poor gut health. Your RID journey will include:

Each treatment plan is completely customised, whether you want to lose weight, rebalance hormones, or improve your overall wellness.





Introducing Shape Up – The Enhanced RID Experience


For those seeking an advanced, medically guided solution for weight loss and metabolic health, Shape Up is the next evolution of the Renewal Institute Diet (RID). This doctor-supervised programme includes all the foundational benefits of RID—such as hCG, low-glycaemic eating, lifestyle coaching, and gut restoration—with an added support layer to accelerate results and improve metabolic balance. 


Shape Up with RID

What Makes Shape Up Different?


Shape Up builds on the RID framework by incorporating a dual GLP-1 and GIP receptor agonist. This innovation works on multiple fronts to promote sustainable fat loss, control cravings, and reduce the likelihood of weight regain.


How Does It Work?


The dual GLP-1 and GIP formulation enhances weight loss by:

This mechanism supports fat-burning and metabolic efficiency, especially in individuals who struggle with hormonal imbalances, insulin resistance, or slow progress on traditional programmes.

 

Is Shape Up Right for You?


Shape Up is ideal for those who:


Whether you’re new to structured weight loss or looking to break through barriers in your current journey, Shape Up offers an elevated, doctor-led approach. It’s designed for real results, powered by advanced science and supported by personalised care every step of the way.

frequently asked
questions

Is the RID programme available at all Skin Renewal clinics?
What tools can help me stay motivated during my RID Journey?

Motivation and avoiding impulsive snacking or deviating from your diet can be extremely challenging.

Avoid thinking about food too much or taking too much time to plan meals, as this itself can induce cravings. Find a diet buddy to join you on your weight loss journey and make use of downloadable Apps for meditation, meal planning and recording and to keep your thought processes in line with your goals.

Have a regular follow-up appointments with your Skin Renewal health coach and doctor to monitor your progress and boost your motivation

Why is it difficult to lose weight during menopause?

During menopause, hormone levels change, and estrogen decreases. Oestrogen helps regulate metabolism and body weight. Reduced oestrogen may lower metabolic rate, the rate at which the body converts stored energy into working energy, making it very hard to lose weight and keep it off.

A decrease in Oestrogen levels also makes the body use starch and blood sugars less effectively. This will increase fat storage, once again making it harder to lose weight. As we get older and enter menopause, we also lose muscle mass. This lowers our resting metabolism, which once again causes weight gain.
 
Staying active, even if it is just 10 minutes of aerobic exercise a day, may help build muscle mass and keep your metabolism up.

Frequently asked questions

Is the RID programme available at all Skin Renewal clinics?
What tools can help me stay motivated during my RID Journey?

Motivation and avoiding impulsive snacking or deviating from your diet can be extremely challenging.

Avoid thinking about food too much or taking too much time to plan meals, as this itself can induce cravings. Find a diet buddy to join you on your weight loss journey and make use of downloadable Apps for meditation, meal planning and recording and to keep your thought processes in line with your goals.

Have a regular follow-up appointments with your Skin Renewal health coach and doctor to monitor your progress and boost your motivation

Why is it difficult to lose weight during menopause?

During menopause, hormone levels change, and estrogen decreases. Oestrogen helps regulate metabolism and body weight. Reduced oestrogen may lower metabolic rate, the rate at which the body converts stored energy into working energy, making it very hard to lose weight and keep it off.

A decrease in Oestrogen levels also makes the body use starch and blood sugars less effectively. This will increase fat storage, once again making it harder to lose weight. As we get older and enter menopause, we also lose muscle mass. This lowers our resting metabolism, which once again causes weight gain.
 
Staying active, even if it is just 10 minutes of aerobic exercise a day, may help build muscle mass and keep your metabolism up.

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I had a great general health consult with Dr Maurits Kruger at Skin Renewal Morningside. He was very insightful and interpreted my blood results and very comprehensively and with great detail. I look forward to implementing the changes Dr Maurits has suggested to me.

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I have just started the weight loss treatment and I'm really impressed by the results and it's exactly what my body needed. 

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An absolutely amazing experience from entrance to consulting room to exit.. I would highly recommend the Weightloss treatment . Amazing staff , doctors and nurses , and outstanding product knowledge .. for those battling with sleep..the “ GABBA” is the best

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Skin Renewal is absolutely amazing. I cannot recommend enough. The staff are so welcoming and friendly. They will make you feel like family. My weight loss journey with Dr Pierce has been phenomenal. He has helped me with every question and has been so supportive. I have had fantastic results going to him and couldn't have done it without his assistance and being my own personal cheerleader. Thank you!

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Before I went to Skin Renewal Bedfordview, I was really struggling to lose baby fat, but Dr Pierce made it so easy and possible for me to lose weight. My weight loss journey has been so exciting with Dr Pierce. I manage lose 8 kg in 3 months. I'm so confident and happy with my weight. Thank you Skin Reenewal.

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From start to finish this place is just wonderful, friendly, professional, knowledgeable and luxurious. Also let’s not even mention how much better my skin looks as well as how AMAZING the RID Diet is. Losing 10kgs in one month never seemed attainable but it’s done. And what’s more is the lovely staff there offer so much emotional support through their friendly chats.

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Thank you to Dr Pierce Van Tonder! I have lost 8kg in one month and the front desk staff at Skin Renewal Fourways are always friendly and very helpful...once again thank you, Dr Pierce

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What a fantastic experience I had at the Parkhurst Renewal Institute.The salon itself is very pleasant. The staff are all extremely efficient and most friendly. I was always greeted and addressed by my first name which makes for a lovely calm and relaxed atmosphere.Dr Maurits Kruger handled my weight loss programme. He made sure that I understood all the requirements and both he and Yolande were great morale boosters and gave me all the encouragement I needed to see it through.I cannot thank Dr Kruger and Yolande enough and I am thrilled to be at my goal weight!! 

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