
The hCG diet is a weight-loss plan that involves taking supplements of the hCG hormone, which is produced in large quantities by the placenta during pregnancy, while following a very low-calorie diet. The diet has been around since the 1950s and promises rapid weight loss. However, there is no scientific evidence that it works, and health authorities such as the FDA warn that it can be dangerous. If you are considering the hCG diet, it is important to talk to your doctor first to ensure that it is safe for you.
| Characteristics | Values |
|---|---|
| Calorie Intake | 500-800 calories per day |
| Hormone Intake | HCG (Human Chorionic Gonadotropin) |
| Dietary Restrictions | No butter or oils |
| Unlimited water, coffee, tea, and sugar substitutes | |
| 1 tablespoon of milk per day | |
| Some protein from animal sources | |
| Many fruits and vegetables | |
| Phases | Loading phase, weight loss phase, maintenance phase |
| Side Effects | Gallstones, irregular heartbeat, low electrolytes, allergic reactions, mood changes, facial hair growth, breast/penis swelling, nausea, vomiting, upset stomach |
| Safety | Not approved by the FDA for weight loss |
| Not recommended by the American Society of Bariatric Physicians | |
| Requires medical supervision to avoid life-threatening side effects |
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What You'll Learn

HCG diet side effects
The HCG diet is a controversial weight loss plan that involves taking human chorionic gonadotropin (HCG), a hormone produced by the placenta during pregnancy, in combination with a very low-calorie diet. While this diet has surged in popularity, it has also been flagged as potentially dangerous, with the FDA advising consumers to avoid HCG weight-loss products.
HCG is not approved for weight loss and there is no scientific evidence that it increases weight loss beyond that resulting from caloric restriction. In fact, the prescription drug label notes that there is "no substantial evidence that it increases weight loss beyond that resulting from caloric restriction".
The HCG diet has been linked to a range of side effects, including:
- Gynecomastia or swelling of the breasts in men
- Mood changes, including irritability, sadness, and anxiety
- Fatigue
- Fluid retention
- Gallstones
- Irregular heartbeat
- Low electrolytes
- Nausea
- Vomiting
- Upset stomach
- Facial hair growth
- Allergic reactions
In addition, very low-calorie diets can lead to nutritional deficiencies, including a lack of vitamins, minerals, and protein. This can have serious health consequences and may be life-threatening in some cases.
It is important to consult a doctor before starting any new diet, especially one as restrictive as the HCG diet. A doctor can help monitor for side effects and ensure that the diet is not causing harm to your health. If you are considering the HCG diet, it is important to weigh the potential risks and side effects against the expected benefits and consider safer alternatives.
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HCG diet safety
The HCG diet, which involves taking human chorionic gonadotropin (HCG)—a hormone produced during pregnancy—alongside a very low-calorie diet, has been deemed dangerous by the Food and Drug Administration (FDA). The FDA does not approve of HCG for weight loss purposes and warns consumers to avoid such products.
HCG products are typically sold in the form of oral drops, pellets, and sprays, and can be found online, at weight-loss clinics, and in some retail stores. The HCG diet usually involves a drastic reduction in calorie intake to around 500 calories per day for several weeks. This extreme calorie restriction can lead to an increased risk of side effects, including gallstone formation, an imbalance of electrolytes, and an irregular heartbeat, which can be potentially fatal.
In addition to the risks associated with the low-calorie diet, HCG injections may cause allergic reactions, mood changes, facial hair growth, and swelling of the breasts or penis. Nausea, vomiting, and an upset stomach are also linked to this hormone. A 2014 case study reported that a 64-year-old woman developed blood clots in her leg and lungs while on the HCG diet, which was determined to be likely caused by the diet.
Due to the potential dangers and lack of evidence supporting the effectiveness of the HCG diet, it is recommended to consult a doctor, dietitian, or nutritionist before starting this or any other weight-loss program to ensure safety and suitability.
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HCG diet effectiveness
The HCG diet involves taking human chorionic gonadotropin, a hormone produced by the placenta during pregnancy, alongside a very low-calorie diet. The diet typically restricts calorie intake to 500-800 calories per day, with some sources recommending a limit of 500 calories.
There is no scientific evidence that the HCG diet is effective for weight loss. A 1995 analysis of 24 studies found no evidence that the diet helps reduce hunger, promote weight loss, or trim fat from specific areas of the body. Other studies have found that the HCG hormone has no effect on weight loss and does not reduce appetite. The American Society of Bariatric Physicians recommends against using the HCG diet for weight loss due to the lack of evidence supporting its effectiveness.
The HCG diet can be dangerous and may cause several side effects, including gallstones, an irregular heartbeat, low electrolytes, allergic reactions, mood changes, facial hair growth, and swelling of the breasts or penis. Nausea, vomiting, and upset stomach have also been linked to the HCG hormone. In one case study, a 64-year-old woman on the HCG diet developed blood clots in her leg and lungs, which were attributed to the diet.
The FDA has not approved HCG products for weight loss and warns against their use. The prescription drug label notes that there is "no substantial evidence" that HCG increases weight loss beyond that resulting from caloric restriction or that it reduces hunger or changes the distribution of fat in the body.
If you are considering the HCG diet or any other weight loss program, it is important to consult with a doctor, dietitian, or nutritionist to determine a safe and effective method that is appropriate for you.
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HCG diet plan
The HCG diet plan is a controversial weight-loss program that combines illegal supplements or injections of the HCG hormone with an extremely low-calorie diet. HCG stands for Human Chorionic Gonadotropin, a hormone produced during pregnancy by the placenta. The diet plan is divided into three phases: the loading phase, the weight loss phase, and the maintenance phase.
During the loading phase, which lasts for two days, people on the HCG diet plan eat extremely high-fat, high-calorie foods and are encouraged to consume as much fat and as many calories as possible. This phase is meant to prepare the body for the caloric restriction during the weight loss phase. Daily HCG hormone supplements or injections also begin during this time.
The weight loss phase typically lasts for three to six weeks, during which people on the diet eat a very low-calorie diet, usually 500 to 800 calories per day. This phase combines the low-calorie diet with the HCG hormone to target abnormal fat banks in the body. While on this phase, there are several foods the diet discourages, and only a few that are considered acceptable. For example, butter and oils are not allowed, and only one vegetable per meal is permitted.
The final phase, the maintenance phase, involves slowly discontinuing the HCG hormone while increasing calories. There is no specific number of calories recommended for this phase, but some sources suggest aiming for 1,200 to 1,500 calories. During this phase, sugar and starches are completely avoided to prevent the reaccumulation of fat reserves. This phase helps to solidify long-term weight loss by allowing disciplined eating behaviors and a healthy lifestyle to become a daily regimen.
It is important to note that the HCG diet plan is not recognized by health experts as safe or effective. The FDA has warned against using HCG products for weight loss, as they are not approved for this purpose and there is no substantial evidence that they increase weight loss beyond that resulting from caloric restriction. Additionally, very low-calorie diets can be dangerous and may cause side effects such as gallstones, an irregular heartbeat, and low electrolytes. Anyone considering the HCG diet plan should consult with a healthcare professional first to ensure it is safe for them.
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HCG diet origin
The HCG diet, also known as the Human Chorionic Gonadotropin diet, was first proposed by British endocrinologist Albert T. W. Simeons in 1954. Simeons observed that both pregnant women in India on a calorie-deficient diet and obese boys with pituitary issues (Frölich's syndrome) treated with low-dose HCG lost weight. He found that injecting the boys with HCG taken from the urine of pregnant women helped them lose weight, especially in areas like the belly, hips, and thighs.
Simeons then developed a diet that involved eating 500 to 800 calories a day and adding daily HCG injections to promote fat loss in these areas. In 1971, he published a book about this diet, titled "Pounds & Inches: A New Approach to Obesity". The HCG diet surged in popularity in 2009 due to renewed attention on the internet.
The HCG diet is a very low-calorie diet, which typically involves eating between 500 and 1000 calories per day, substantially below the recommended levels for an adult. This type of restrictive diet can be dangerous and may lead to health issues such as malnutrition, gallstones, an irregular heartbeat, and low electrolytes.
There is also no scientific evidence that the HCG diet is effective for weight loss. The Food and Drug Administration (FDA) has not approved HCG products for weight loss and warns against using them. The American Society of Bariatric Physicians also recommends against using the HCG diet due to a lack of evidence. Multiple studies have found no evidence that the diet helps reduce hunger, promote weight loss, or trim fat from specific areas of the body. Instead, it is believed that any weight loss achieved on the HCG diet is due to the ultra-low-calorie intake alone, rather than the HCG hormone.
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Frequently asked questions
The HCG diet involves taking a hormone produced in the body during pregnancy and following a very low-calorie diet. HCG is an acronym for Human Chorionic Gonadotropin.
The HCG diet is not FDA-approved for weight loss and there is no scientific evidence that it works. It is recommended that you talk to your doctor before trying any new diet plan to make sure it is safe for you. There are safer ways to lose weight that do not require supplements or highly restrictive diets.
HCG injections may cause allergic reactions, mood changes, facial hair growth, and swelling of the breasts or penis. Nausea, vomiting, and upset stomach are other side effects linked to this hormone. A very low-calorie diet can also cause side effects such as gallstones, an irregular heartbeat, and low electrolytes.
HCG diet is a medically prescribed diet that involves injections of human chorionic gonadotropin and a reduced-calorie diet. HCG injections can curb your appetite, making it easier to eat fewer calories. HCG injections can also help all your hormones to stay on track, making your metabolism work more efficiently.











































