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Mastering GI for Long-Term Weight Loss Success

by Pieter-Steyn Coetzee – June 30, 2025

Weight Management
Mastering GI for Long-Term Weight Loss Success

When it comes to sustainable weight management, understanding the Glycemic Index (GI) of foods can make all the difference. Many people struggle with weight gain or find it challenging to shed unwanted kilograms, not realizing that the GI of the foods they consume plays a critical role in these issues. Let’s explore how GI impacts weight management and how Manna Health Products can help you achieve your weight goals.

What is the Glycemic Index (GI)?

The Glycemic Index measures how quickly a carbohydrate-containing food raises your blood sugar levels after consumption. Foods with a high GI are broken down rapidly, causing sharp spikes in blood sugar and insulin levels. On the other hand, low-GI foods are digested more slowly, providing a steady energy release and helping you feel fuller for longer.

How Does GI Contribute to Weight Gain or Difficulty Losing Weight?

Frequent Blood Sugar Spikes: Consuming high-GI foods can lead to a rollercoaster effect of blood sugar levels. These frequent spikes and crashes may cause you to feel hungry sooner, leading to overeating.

Increased Fat Storage: High-GI foods trigger higher insulin production. Since insulin is the body’s fat-storage hormone, these foods encourage the storage of excess calories as fat.

Cravings and Overeating: The rapid drop in blood sugar after consuming high-GI foods often results in sugar cravings, which can derail your weight loss efforts.

Key Insights for GI Management

Focus on Low-GI Foods: Incorporate foods like whole grains, legumes, vegetables, and healthy fats into your diet.

Portion Control: Even low-GI foods should be consumed in appropriate portions.

Balance Your Meals: Pair carbohydrates with proteins and healthy fats to lower the overall GI of your meal.

Low GI Shake

All the needed nutrients to replace any meal of the day

Manna Low GI Shake

Our shake is formulated to allow you to skip a meal without losing the needed nutrients and energy. It also helps manage your blood sugar levels.

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Manna Low GI Shake 600g
R 209.00
R 240.00 R 209.00
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Manna Low GI Shake 600g
Manna Low GI Shake 600g
Manna Low GI Shake 600g
Manna Low GI Shake 600g
Low GI Shake Vanilla
Low GI Shake Strawberry
Low GI Shake Chocolate
Manna Low GI Shake 600g
Manna Low GI Shake 600g
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Manna Low GI Shake 600g

R 209.00
R 240.00 R 209.00
Tax included.

Manna Low GI Strawberry Shake

The Manna Low GI Shake is the healthiest Shake on the South African market. A perfect meal in a glass, which can help you to curb food and sugar cravings, suppress appetite and control blood sugar levels. Also, one shake with water contains only 99 Calories and a Shake with full cream milk contains only 250 Calories, helping to lower your daily calorie intake for effective and healthy weight loss, without going hungry.
Quantity

In Stock

Free delivery — on all orders over R 550!

Benefits
  • High in fibre
  • Low GI
  • Stops Cravings
  • High Enough Nutritional Value, when taken with milk, to be regarded as a Meal Replacement
  • The only shakes which contain Essential Sugars (“Glyco-Nutrients”)
  • Cholesterol Free
  • Provides Energy, without Fattening
  • Helps to Control Blood Sugar Levels
  • Organic & Natural
  • Help to lower high blood pressure
  • Help to lower high cholesterol

Dosage & Directions for Use

The SHAKE can be used as a meal replacement or a snack replacement, served with milk or water. The SHAKE powder can also be mixed into yoghurt (preferably Bulgarian yoghurt) or you can make a smoothie with it.

Dosage

  • Add 1 level measuring scoop (±30g) of Manna Shake powder in a shaker or blender with a cup (250ml) of milk or water.
  • Use the Manna Shake to replace 1 to 2 meals per day and you will see the results after a week.
  • You can add fruit to the mix to make a smoothie if you require a larger meal, but try to stick to a basic shake for the ultimate result.
  • This shake is ideal for people on a diet and for sportsmen alike, who need to maintain energy levels and control their blood glucose levels.
  • For a complete meal, take 1 fruit of choice with the shake.
  • Effective as part of a healthy diet and lifestyle.
  • Use the Shake to replace some of meals in the Manna Diet eBook’s menu plan for successful weight control.

Ingredients

100% Organic Mesquite (Prosopis) Powder (1)
The Mesquite (Prosopis) powder is 100% Organic and wild harvested. The product, with its 6 essential sugars, vitamins, minerals, fibres and 17 amino acids, has been trialled and tested by the Glycemic Index Foundation of South Africa and proved to reduce the Glycemic Index (GI) of any food by up to 43%.

Non-GMO Oats (2)
to increase the dietary fibre content of the shake as well as to add all the other health benefits of oats.

Guar Gum (4)
assist in glucose absorption and therefore can support even blood sugar levels.

Inulin (3)
Inulin is derived from the chicory plant and is a very good Prebiotic to assist in digestive health by nourishing the beneficial bacteria.

Nature identical flavours
Strawberry and Vanilla, and Non-GMO Cacao as chocolate flavouring

How does it work?

When you take the shake with milk or water as a meal replacement or as a meal snack, the sugars from the Mesquite pods, combined with the soluble and insoluble fibers help to retard the uptake of glucose from the food to the bloodstream. Also, these sugars work holistically in the body to provide increased energy and prolonged stamina.

The rest of the Manna Shake ingredients help to regulate blood sugar levels, help to reduce high blood pressure and high cholesterol levels.

The Inulin (a prebiotic) and Guar Gum, together with the fiber of the non-GMO Oats and Prosopis is excellent for digestive health and to promote normal bowel movement.

The shake is high in Calcium to promote heart health and help to increase bone density.

Who can use it?

Anybody and everybody form the age of 2 years.

The Shakes are excellent for:

  • Diabetics
  • People with Insulin Resistance
  • Pregnant and Breastfeeding women
  • Weight loss
  • Sportsmen (especially endurance athletes, cyclist, rowers, etc.)
  • Fantastic when hiking
  • Children

Contra-Indications & Warnings

All the ingredients in the Manna Shakes are regarded as food and 100% safe to use as a snack or a meal replacement when taking with milk or milk substitutes.
Please check ingredients if you have food allergies

Research
  1. The efficacy of Prosopis glandulosa as antidiabetic treatment in rat models of diabetes and insulin resistance – Journal of Ethnopharmacology 137 (2011) 298–304
  2. Wholegrain oat-based cereals have prebiotic potential and low glycaemic index.- Br J Nutr. 2012 Dec 28;108(12):2198-206. doi: 10.1017/S0007114512000281. Epub 2012 Feb 24.
  3. Fiber and Prebiotics: Mechanisms and Health Benefits – 2013 Apr; 5(4): 1417–1435
  4. Microbiota benefits after inulin and partially hydrolized guar gum supplementation: a randomized clinical trial in constipated women. – Nutr Hosp. 2012 Jan-Feb;27(1):123-9. doi: 10.1590/S0212-16112012000100014

What do customers say about Manna Low GI Shake?

Satisfied Customers

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I love my shakes and it keeps me full – sometimes I add fruit even Oats or Chia seeds – also delicious on its own!

— Verna

This product really keeps the hunger under control.

— Maria van Niekerk

Manna shakes are really great! my breakfast and lunch go to meals including weekends. No more cravings or binge eating and I feel good

— Jackie van der Merwe

I really enjoy this shake, its filling, tastes good and keeps you going longer between meals. Great stuff; great product.

— Frank

I normally have a sweet tooth, but since I started to use Manna Shake no cravings and especially no cravings for sugar. Already after a week could feel a major difference on how My clothes fit-Manna shake works!

— Hennie

The best shake, keeps me full of energy and I love what the fibre does to me. Pleasant to drink.

— Lily

Excellent product! Use it as breakfast, lunch and before I cycle. Do not crave chocolates or any sweets as I used to. Provides good energy when I cycle long distances. Will keep on using the shake.

— Stella

I love this great tasting shake!! It makes me feel healthy and it stabilizes my blood sugar. Would highly recommend it to anyone!

— Jolene

More Manna Low GI Shake Products

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Two containers of Manna health products, one labeled as 'Manna Low GI Shake' with an image of strawberries and the other as 'Manna Bovine Collagen Peptide' with a white background.

Manna Shake + Collagen

Add collagen to your Manna Shake, to create the perfect high-protein, low-GI meal that supports overall health and wellness. Manna Low GI Shake contains a balanced blend of high-quality proteins, fiber, and essential nutrients that help keep you fuller for longer and control cravings. By adding Manna Bovine Collagen Peptides to your shake, you increase the protein content, making it the ultimate high-protein meal or snack. Collagen is also the most abundant protein in the body and plays a vital role in the health of the skin, hair, nails, joints, and muscles. Pack Size: 1 x Manna Low GI Shake 600g (Any Flavour) and 1 x Manna Collagen Powder 400g Manna Low GI Strawberry Shake The Manna Low GI Shake is the healthiest shake on the South African market. A perfect meal in a glass, which can help you to curb food and sugar cravings, suppress appetite, and control blood sugar levels. Also, one shake with water contains only 99 calories and a shake with full cream milk contains only 250 calories, helping to lower your daily calorie intake for effective and healthy weight loss, without going hungry. Manna Bovine Collagen Peptide The Manna Collagen Peptide is the perfect protein add-on to any diet. It helps to give your body the protein boost it needs, in a completely natural way. Since ancient times, collagen has been known to benefit human health. For centuries, people have been consuming collagen in the form of bone broth to support their joint and bone health and in more recent times, to promote skin beauty. What is Collagen? Collagen is a protein that acts as a building block for various structures in the body. It makes up about 30% of the total protein in the body, and it is responsible for the cohesion, elasticity, and regeneration of all our connective tissues – including skin, tendons, ligaments, cartilage, and bones. Manna Collagen is what is known as “Type 1 Collagen Peptides”. This means they are extremely similar to the type of collagen found in the skin and bones of the human body. It contains 18 amino acids. These are the building blocks of proteins. Glycine, proline, and hydroxyproline make up around 50% of Manna Collagen’s total amino acid content. The glycine and proline in Manna Collagen are 10 to 20 times higher than in other proteins. Health Benefits of Manna Collagen Peptide: Healthy Aging – Staying healthy and mobile. Joint and Bone Health – Optimum joint and bone health. Skin Beauty – Fighting against visible signs of ageing. Sports Nutrition – Moving freely and efficiently.

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Low GI Foods And Weight Loss

Glycemic index – by Freda Coetzee – May 16, 2025

Low GI Foods And Weight Loss

Low GI The glycemic index, or GI, is a ranking system that measures the effect that carbohydrate-containing foods have on your blood sugar, or glucose, levels. Foods with a low GI have a milder effect on your blood sugar than high-GI foods. Though low-GI foods cannot trigger weight loss on their own, they may enhance your efforts and they affect your appetite. Function of low GI foods Low-glycemic foods can support weight management in several ways. A low-glycemic diet can support healthy blood sugar levels and help prevent or reduce blood sugar-related illnesses, such as diabetes and insulin resistance. Low- GI foods may also enhance appetite management and delay hunger cues, which enhance weight loss. Optimum Foods To lose weight by incorporating low-GI foods, you must first gain an understanding of which foods are low in GI and which are high. Examples of low-GI foods include whole grains, such as pearl barley, rye, brown rice, sprouted wheat and cracked barley. Most vegetables and legumes are also low-GI. Low-GI fruits include cherries, grapefruit, dried apricots, apples, pears, peaches, plums, grapes, kiwi and bananas. Dairy products, including low-fat milk, yogurt and chocolate milk, are also low-GI. Foods to Avoid While low-GI foods support healthy blood sugar levels and reduced appetite, high-GI foods may pose challenges. Consuming high-GI foods on their own can trigger mood imbalances, blood sugar spikes and food cravings. High-GI foods include enriched white and wheat breads, cereals and dinner rolls, and most commercially prepared cookies, crackers, cake, pastries, candy and muffins. Soft drinks and fruit juices are also high-GI. Effectiveness of low GI foods Low-GI foods can effectively promote weight loss. According to an analysis of intervention studies published in “The American Journal of Clinical Nutrition” in July 2002, people who follow low-GI diets demonstrate more effective, sustainable weight loss results than those following low-fat diets. In addition, high-GI diets tend to increase body fat and weight gain during pregnancy more than nutrient-rich low-GI diets. Low-GI foods tend to ease the process of calorie reduction and reduce excessive hunger and feelings of deprivation. Recommendations To reap benefits from low-GI foods, increase your intake of vegetables, fruits, whole grains and legumes. Replacing processed carbohydrates, such as white bread, candy and potato chips, with low-GI foods can further enhance your weight-loss efforts. When you do consume high-GI foods, keep your portion sizes modest and balance them with protein-rich foods or high-fiber foods. Doing so reduces the overall GI of your meal. For best results, exercise regularly and follow the Manna Weight Loss program in the free e-book. By taking the Manna Blood Sugar Support supplement with each meal, you reduce the GI value of the meal by up to 43%. Thus, the Manna Blood Sugar Support lowers the GI value of any food you eat.You can also replace 1 to 2 meals per day with the Manna Low GI Shake, for effective and healthy weight loss and to keep your hunger away for longer than normal.

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Lose Weight with the Right Protein, Fat and Carb Ratio

Glycemic index – by Freda Coetzee – May 16, 2025

Lose Weight with the Right Protein, Fat and Carb Ratio

Counting calories are important, but knowing what ratio of protein, fats, and carbs you should eat can go a long way. What are the benefits of eating in the right ratios? Many diets focus on a single food group as the basis of the entire diet. However, these diets may then each have their own set of negative effects making it hard to lose weight. The best is to keep to a balanced way of eating, making sure that you get the right amounts of the respective food groups. Following a balanced diet ensures that you get your needed vitamins, minerals, and nutrients. Not only is it good for weight loss, but it can also help get you into the habit of eating balanced, which means that you can improve your long-term overall health. What should my ratios look like? When you break it down, the ratios protein, fats, and carbs should look like this: Protein: Between 10 and 35 percent. Fats: Between 20 and 35 percent. Wholegrain carbohydrates: Between 45 and 65 percent. An acceptable balanced diet is 20 percent of your calories from proteins, 30 percent from fats and 50 percent from carbohydrates. This translates into a ratio of 0.4 – 0.6 – 1. What types of food should I include in my diet? Protein To fulfil your protein needs, eat lean meats and beans. Grill salmon, chicken, extra-lean beef or vegetarian burgers are great sources of protein. Fat Good sources of healthy fats are avocados, olive oil, fatty fish, and nuts. Carbohydrates Whole grain carbohydrates are found in plant foods, like wheat. Make sure you are eating complex carbohydrates, which last longer in the bloodstream and keep you fuller for longer. Avoid the simple carbohydrates found in sweets, sugar and refined carbohydrates. Other foods such as plums, nuts, plantains and beans are good sources of carbohydrates. Daily Menu Begin your day with a breakfast containing mainly carbohydrates to help fulfil your dietary requirement of eating about 50 percent of your calories from this source. Download the Free Manna Diet e-book for menu and recipe examples. You can reduce your daily calorie intake by replacing 1 to 2 meals per day with the Manna Low GI Shake. If you drink the shake with full cream milk, the total calorie value is about 250. Also, the shake will help to curb food cravings and suppress appetite in a natural way, without starving you. This is surely the tastiest way to lose weight – the healthy way. Considerations In addition to keeping your ratios in a healthy range, limit foods with: Excess sodium Refined sugars Unhealthy saturated and trans fats Read the food labels of processed foods to make the healthiest choice. You should also include regular exercise into your weight-loss efforts to burn calories and lose weight more rapidly.

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