If you have been struggling with your weight for years, it is understandable to look for an option that can finally help. One approach you may have come across is the HCG diet, which combines human chorionic gonadotropin, or HCG, with significant calorie restriction.
HCG is a naturally occurring hormone produced during pregnancy and is also available as a prescription medication for certain approved medical uses. However, HCG is not FDA-approved for weight loss, and current evidence does not show that it improves weight loss beyond the effects of calorie restriction.
Before considering an HCG diet or any medical weight-loss program, it is important to understand what the evidence actually shows. Here are seven things to know about HCG and weight loss.
1. HCG Has Not Been Shown to Curb Appetite
One of the most common claims about the HCG diet is that the hormone makes severe calorie restriction easier by reducing hunger. Current evidence does not support this claim.
FDA-approved HCG prescribing information states that HCG has no known effect on appetite or the sensation of hunger. Clinical studies comparing HCG with placebo have also failed to show a meaningful reduction in hunger among people using HCG for weight loss.
If excessive hunger or difficulty controlling appetite is affecting your weight, a provider-led medical weight-management consultation can help assess possible contributing factors and discuss appropriate treatment options.
2. Very-Low-Calorie HCG Diets Carry Risks
Traditional HCG diet programs often pair HCG with an extremely low-calorie diet, sometimes around 500 calories per day.
Weight loss can occur when calorie intake is reduced this severely, but the FDA states that the weight loss associated with the HCG diet comes from calorie restriction rather than HCG itself.
Diets around 500 calories per day can also carry significant risks. The FDA warns that very-low-calorie diets may increase the risk of gallstones, electrolyte imbalances, irregular heart rhythms, nutritional deficiencies and other complications.
Very-low-calorie diets may sometimes be used in specific medical circumstances, but they require close medical supervision. They should not be started simply because an HCG product or diet plan recommends them.
3. HCG Is Not a General Hormone-Balancing Treatment
Weight can be affected by many factors, including medications, sleep, eating patterns, activity level, metabolic health, hormones and underlying medical conditions.
HCG does act on specific reproductive hormone pathways. Prescription HCG has established medical uses, including certain fertility treatments and selected hormonal conditions in males. However, that does not mean HCG generally “balances hormones” or corrects hormonal causes of weight gain.
If hormonal or metabolic factors may be contributing to difficulty losing weight, the appropriate first step is an individual medical evaluation rather than assuming HCG will correct the problem.
4. HCG Has Not Been Shown to Target Fat While Preserving Muscle
Another common claim is that HCG helps the body preferentially burn stored fat while protecting lean muscle mass.
Current evidence does not establish this benefit. FDA prescribing information states that there is no substantial evidence that HCG changes the distribution of body fat, and controlled studies have not demonstrated a meaningful advantage over calorie restriction alone.
Preserving muscle during weight loss instead depends on factors such as the rate of weight loss, adequate nutrition, protein intake, resistance exercise, overall health and the treatment plan recommended for the individual patient.
5. Rapid Weight Loss Does Not Mean HCG Is Working
Seeing the number on the scale fall quickly can feel motivating. However, rapid weight loss on a traditional HCG diet should not be taken as evidence that HCG itself is producing the result.
Clinical trials comparing HCG with placebo have found no significant additional benefit for weight loss, body measurements, hunger or fat distribution. The severe calorie restriction used alongside HCG accounts for the weight loss seen with these programs.
A medical weight-management plan should focus on clinically appropriate and sustainable progress rather than how quickly weight can be lost.
6. HCG Is Not Proven to Increase Energy
HCG diets are sometimes promoted as a way to increase energy while losing weight. There is not strong clinical evidence showing that HCG provides an energy-boosting effect when used for weight loss.
In fact, severe calorie restriction can leave some people feeling tired, weak, dizzy or unwell. Energy levels can also be affected by sleep, nutrition, medications, blood sugar, hormone conditions, stress and other health factors.
If low energy is one of the reasons you are seeking weight-management care, tell your provider. It may be important to understand what is contributing to the symptom rather than assuming it is simply related to body weight.
7. You Should Have Medical Support for Weight Loss
One useful idea behind medically supervised weight loss is that you do not have to manage everything on your own. But medical supervision should involve more than monitoring an HCG diet.
A provider-led weight-management program should begin by reviewing your medical history, medications, previous weight-loss attempts, eating patterns, activity, goals, risk factors and relevant clinical information.
Depending on your needs and eligibility, a treatment plan may include nutrition and lifestyle guidance, follow-up, monitoring and prescription weight-management options when clinically appropriate. Medication is not necessary or suitable for every patient.
So, Does the HCG Diet Work?
HCG itself has not been shown to be an effective treatment for obesity or to increase weight loss beyond the effects of calorie restriction. It is also not FDA-approved for weight loss.
Research, including controlled trials comparing HCG with placebo, has not shown meaningful benefits for weight loss, appetite suppression, fat distribution or feelings of well-being.
This does not mean that people who have struggled with weight have run out of options. Medical weight management has changed considerably, and there are evidence-based approaches that can be considered based on your health, goals, eligibility and risk factors.
Frequently Asked Questions About HCG and Weight Loss
Is HCG FDA-approved for weight loss?
No. HCG is not FDA-approved for weight loss or the treatment of obesity. Prescription HCG is FDA-approved for certain other medical indications.
Does HCG reduce hunger?
There is no substantial evidence that HCG reduces hunger associated with calorie-restricted diets. FDA-approved HCG prescribing information states that HCG has no known effect on appetite or the sensation of hunger.
Does HCG burn fat instead of muscle?
There is no good clinical evidence that HCG selectively burns fat, preserves muscle or creates a more desirable distribution of body fat when used for weight loss.
Why do people lose weight on the HCG diet?
The traditional HCG diet involves severe calorie restriction. According to the FDA and clinical research, the resulting weight loss is attributable to calorie restriction rather than HCG.
What are the alternatives to the HCG diet?
Medical weight management can include nutrition and lifestyle support, evaluation of factors that may be contributing to weight gain, ongoing monitoring and prescription medications for eligible patients when clinically appropriate. The right approach depends on your individual health and medical evaluation.
Explore Medical Weight Management at Vitalé Wellness Club
At Vitalé Wellness Club in Manasquan, New Jersey, medical weight management begins with a provider-led consultation. We review your health history, current medications, goals, risk factors and relevant clinical information before discussing which options may be appropriate.
Vitalé Wellness Club does not present HCG as an FDA-approved or evidence-based weight-loss treatment. Instead, our medical team can help you understand available weight-management options, expected limitations, potential risks and whether treatment is appropriate for you.
Contact Vitalé Wellness Club to request a medical weight-management consultation.