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Effects of a low-carbohydrate diet – find out what you can achieve!
It's fair to say that with low carb (almost) anything is possible! The low-carbohydrate diet is one of the most effective methods for holistic health improvement. Apart from the obvious weight reduction, it can provide, above all, well-being, prevention of many diseases and support for the treatment of conditions already present. Restricting carbohydrate intake leads to a number of positive changes in the body, which indirectly translate into the regulation of the endocrine system and support the stabilisation of a number of physiological mechanisms, while improving metabolism. But what exactly can a low-carbohydrate diet offer us? The effects after a month can be very spectacular.
What will you learn from the article?
What are the most important effects of a low-carbohydrate diet?
A low-carbohydrate diet has a number of real health benefits that can significantly affect both your wellbeing and your long-term quality of life. The most important effects associated with a low-carb diet are effective weight loss (resulting from reduced carbohydrates and increased fat burning), appetite control (leading to lower calorie intake and easier maintenance of a calorie deficit), and improved blood sugar levels (particularly beneficial for people with insulin resistance and type 2 diabetes). A low-carbohydrate diet can also help to improve the lipid profile, lowering triglycerides and increasing good cholesterol (HDL). Many people also notice a surge of energy and stable energy levels throughout the day – without energy dips or lethargy – and better concentration. What exactly can a low carb diet do? The effects of a low-carbohydrate diet can be very rewarding.
Weight loss
One of the most noticeable effects of low carb is the one expected by many people undertaking diets of all kinds – effective weight loss. Carbohydrate restriction leads to a drop in insulin levels, which promotes the burning of stored fat. Studies show that people on low-carb diets often lose weight faster than those on traditional low-carb diets. Fat loss is mainly the result of reduced calorie intake and increased fat burning.
Appetite control
A low-carbohydrate diet can effectively help control appetite and stabilise cravings. The high protein and fat content of meals promotes a longer feeling of satiety, which reduces the desire to snack between meals. As a result, people on a low-carb diet often report feeling less hungry, making it very easy to maintain a calorie deficit.
Improving blood sugar levels
Low-carbohydrate diets have a significant effect on improving blood sugar levels, which is particularly important for people with insulin resistance and type 2 diabetes. Restricting carbohydrates reduces the amount of glucose delivered to the body, which leads to lower insulin levels and therefore more stable blood sugar levels. Studies show that low-carbohydrate diets can reduce glycated haemoglobin (HbA1c) levels by 0.5-1.0% in patients with type 2 diabetes, a clinically significant improvement. Those following a low-carbohydrate diet also had better glycaemic control and were able to reduce doses of diabetes medication. [1]
With a low-carbohydrate diet, it is also possible to reduce insulin doses (by up to half!) in people with insulin resistance or diabetes – after medical consultation and a final decision by a specialist, of course, determined by a number of individual health and nutritional factors. However, it is important to be aware that long-term adherence to a low-carb diet can improve insulin sensitivity and reduce the risk of diabetes-related vascular complications, making it an effective dietary strategy for patients who require ongoing blood sugar control.
Improved lipid profiles
A low-carb diet can also improve lipid profiles, which is beneficial for heart health, among other things. Carbohydrate restriction can lead to lower levels of bad cholesterol (LDL) and increased levels of good cholesterol (HDL). Studies have shown that low-carbohydrate diets in obese people can beneficially alter the size and number of LDL particles, converting them from smaller and more atherosclerotic to larger and less harmful particles. [2] This can significantly reduce the risk of developing cardiovascular disease, making the low-carb diet a beneficial strategy for improving lipidogram.
Stable energy levels
A low-carb diet helps to maintain stable energy levels regardless of the time of day. This is done by eliminating blood sugar spikes that usually result from a high-carbohydrate diet. Rapid digestion and absorption of sugars, lead to a sudden rise in glucose levels, followed by a rapid drop, resulting in feelings of fatigue and irritability – in contrast to the stable blood sugar levels brought about by a well-balanced low-carbohydrate diet. The effects of this diet are felt almost immediately.
On a low-carb diet, energy comes mainly from fats, which the body digests more slowly, providing itself with a stable source of energy. Carbohydrate restriction also leads to the production of ketone bodies – an alternative source of energy that the body can use, especially for muscle and brain work. Ketones mean that people on a restrictive low-carb diet (ketogenic diet) can enjoy greater physical and mental endurance, better concentration and a lower risk of energy ‘dips’ throughout the day. People on low-carbohydrate diets also show greater energy stability and fewer mood swings.
When can you see the first effects on a low-carbohydrate diet?
Virtually immediately – although the extent to which you can feel the changes depends primarily on your individual body conditions, as well as your previous diet. The first effects of a low-carbohydrate diet can be seen in the first few days to a week, although how long it takes for them to become visible also depends on your goals (e.g. weight loss, stabilisation of sugar levels), the way the diet was composed and the proportion of macronutrients in the menu. People who have been on a typically high-carbohydrate diet for years are likely to be much more sensitive to a reduction in sugar intake (although of course this is not the rule), and so will notice the nutritional changes made more quickly.
What are the effects after a week on the low carb diet?
After one week of following a low-carbohydrate diet, many people notice the first results of their new way of eating, which can include weight loss, stabilisation of blood sugar levels, greater feelings of satiety and improved wellbeing. The weight loss is mainly due to water loss, which is the result of reduced insulin levels. This is because insulin is responsible for storing fat and retaining sodium in the body – when insulin levels drop, the body excretes excess sodium along with water, leading to initial weight loss before actual fat burning begins. After a week on a low-carbohydrate diet, many people also notice an increase in feelings of satiety, a marked reduction in appetite and an overall improvement in wellbeing.
What are the effects after a month on a low-carbohydrate diet?
After a month of the low carb diet, you can expect more significant weight loss and improvements in a number of health parameters including, but not limited to, your lipid profile – this can include a reduction in triglycerides and an increase in good cholesterol (HDL). This is also followed by a significant stabilisation of blood sugar levels, which is particularly beneficial for those struggling with insulin resistance and type 2 diabetes. Consistent glycaemic control leads to less need to eat between main meals and can reduce the need for diabetes medication and lead to a reduction in insulin doses (following medical advice). In addition, many people also experience a surge of energy and improved concentration.
How long can I be on a low-carbohydrate diet?
A low-carbohydrate diet can be followed for both the short and long term, but the duration depends on the individual’s needs, abilities, health status and goal. Short-term use (a few weeks to a few months) may be sufficient for people who want to achieve initial weight loss or improve the results of metabolic parameters such as sugar and insulin levels. A long-term low-carb diet can become a lifelong way of eating, but requires a well-planned menu to ensure the body has an adequate supply of fibre, vitamins and minerals.
Some people follow what is known as a cyclical low-carb diet, periodically increasing their carbohydrate intake, which can help to avoid metabolic adaptation and allows for greater dietary flexibility in the long term. A cyclic low-carbohydrate diet is an approach in which periods of low carbohydrate intake are interspersed with days or periods of higher carbohydrate intake. This strategy, also known as ‘carb cycling,’ can be used to avoid metabolic adaptation, a situation in which the body adapts to a low carbohydrate supply and reduces its rate of fat burning.
What are the long-term risks of a low-carbohydrate diet?
Although the low-carb diet is a very safe way of eating – a more or less modified variation of the ‘traditional’ diet, there are some potential risks that a low-carbohydrate diet can carry when not followed properly. Side effects may result primarily from its poor balance – vitamin and mineral deficiencies due to restrictions on certain food groups such as whole grains, fruit or legumes. A long-term low-carbohydrate diet can also lead to kidney strain – especially in people with pre-existing problems (due to higher protein intake). To minimise the possible risks associated with undertaking a low carb diet, you should monitor your health regularly, consult a dietitian if you have any concerns about balancing your diet, and ideally discuss the matter with your GP if you have a chronic condition.
What to eat on a low carb for best results?
On a low-carbohydrate diet, choose foods rich in protein and healthy fats. It is crucial to provide the body with the right nutrients to support both anabolic processes and the proper functioning of the endocrine and immune systems. In order to quickly achieve the best dietary results, it is worth including in your menu good quality meat (beef, pork or poultry), which provide essential amino acids, and fish (salmon and tuna), which are also a source of healthy omega-3 acids. What else should a low-carbohydrate diet contain? What to eat on a low-carbohydrate diet to feel good and why choose the foods listed below?
- Nuts and seeds (almonds, pumpkin seeds and chia seeds) – are an excellent source of healthy fats, including alpha-linolenic acid (ALA), the plant form of omega-3. Almonds provide vitamin E, which acts as an antioxidant to protect cells from oxidative stress, while chia seeds and pumpkin seeds are a source of minerals such as magnesium, zinc and iron, which play a role in proper muscle and nervous system function.
- Meat (beef, pork, poultry) – is often the cornerstone of a low-carbohydrate diet due to its complete protein content, which provides essential essential amino acids for the body. Beef, pork and poultry are examples of meats that provide, among other things, leucine, which supports muscle protein synthesis and regeneration. Red meat is also a rich source of haem iron, which is better absorbed compared to plant-derived iron – it supports oxygen transport in the blood, oxygenating cells and preventing anaemia.
- Fish (salmon, tuna) – are not only an excellent source of protein, but also of healthy omega-3 fatty acids, which are beneficial for heart and brain health. Salmon contains around 2018 mg of omega-3 fatty acids per 100 g, making it one of the best choices for health-conscious people.
- Eggs – provide wholesome protein and healthy monounsaturated fats, which support the body’s lipid balance and promote appetite control. They contain choline – a nutrient of value to the body that supports brain function, including memory and concentration, and lutein – beneficial for vision.
- Low-starch vegetables – are an ideal source of fibre, which supports intestinal peristalsis and regulates blood glucose levels, preventing sugar spikes and dips. Broccoli, lettuce, courgettes and spinach are low-calorie vegetables that additionally provide antioxidants, vitamins (A, C, K) and minerals (calcium, magnesium) to support bone health and immune system function.
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