Summary Overview
- Microdosing works by lowering or reducing the standard doses of Ozempic. Oftentimes, people think that when they do it they would have fewer side effects or lower cost.
- There is no official approval of this in the UK and not officially approved for weight loss when using Ozempic. The standard doses for type 2 diabetes still remain and are approved. Using off‑ labels for weight management is restricted. Wegovy is approved and can be used for weight loss in certain cases.
- This could potentially reduce GI side effects, more affordable, slower, milder effects on weight/appetite.
- Make sure to consult a GP or endocrinologist if you are considering this. It is essential to have regular monitoring of blood glucose and the side effects.
Learning Objectives
By the end of the article you will learn about the following:
- You will learn about what microdosing Ozempic means and how it differs from standard dosing.
- You will learn to recognise the scientific evidence and knowledge gaps around microdosing.
- You learn about the regulatory position in the UK regarding Ozempic and weight‑loss drugs.
- You will learn to Identify potential benefits and possible harms of microdosing.
- You will be more informed in how to handle microdosing discussions with healthcare professionals.
- You will learn and become aware of safety best practices.
Everything You Need To Know About Microdosing Ozempic
Microdosing Ozempic is about taking smaller and more frequent doses of semaglutide rather than taking its standard weekly injection schedule. You’ll be splitting your dose into two smaller injections per week from the standard manufacturer recommended dose of 0.25 mg or 0.5mg. The reason behind this practice is that some of the patients have often popularized it within the patient communities. According to them, they do this to avoid the peak of the medication that typically occurs shortly after a large weekly dose. With this practice, some users aim to minimize the intense gastrointestinal side effects including nausea and sulphur burps, all while still getting and receiving the benefits from medication’s appetite suppression.
When prescribing Ozempic, it usually follows a strict and clinically validated titration schedule. This is implemented to help your body gradually adapt to the medication. The standard procedure begins with a loading dose of 0.25 mg, it should be injected once a week for four weeks. This would be your initial phase and it is not typically for weight loss or glucose control. Its main purpose is to prime the digestive system and gradually adapt your body to the medication. After your first month, your dose will usually increase to 0.5 mg weekly. It usually depends on the patient’s clinical response and tolerability for the increasing dosage. Over time, your dose may eventually be increased into a maintenance level of 1.0 mg or 2.0 mg.
What Is The Science Behind Microdosing
Semaglutide is a GLP-1 receptor agonist that works by mimicking your natural hormone that is responsible in your gut. The primary function of this is stimulating insulin secretion, inhibiting glucagon release, and slowing down gastric emptying and also sends a signal to your brain that actually gives you the message of being full.
The science of microdosing heavily relies on the medication’s half-life which is approximately 7 days. For example, when you take a standard weekly dose, the concentration of the medication within your bloodstream typically peaks around 1 to 3 days after injecting it to your body. This is when microdosing enters, it attempts to flatten this curve. When you start injecting smaller amounts more frequently, the goal is to potentially avoid the high peak which often triggers side effects like acute nausea, while still receiving the benefit of the medication.
Up to date, there is still no official clinical protocol for microdosing. However, there are few experimental methods which include the following:
- Split Dosing: This works by taking a 0.5mg dose and splitting it into two 0.25 mg injections. This can be scheduled on Monday and Thursday.
- Starting at Ultra-Low: This works by taking your beginning dose at 0.1 mg or 0.12 mg using click counting on the pen instead of following the standard dose at 0.25 mg.
- Extending the Titration: This works by staying at a sub-therapeutic dose for about 8–12 weeks rather than the recommended 4 weeks. This is to completely ensure that the body is fully desensitised to side effects before increasing the dosage.
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Is Microdosing Ozempic Approved in the UK?
Currently in the UK, Ozempic is strictly licensed by the Medicines and Healthcare products Regulatory Agency for the treatment of Type 2 Diabetes only. Its primary function is to improve glycaemic control combined with diet and exercise. While it is the same medication as Wegovy, Ozempic’s UK license does not officially cover weight management concerns for people who are not diabetic.
While Wegovy is specifically approved for weight loss in the UK, some patients have historically accessed Ozempic off-label for the same purpose as well. However, because of the massive global shortages, the Department of Health and Social Care and NHS England have issued a National Patient Safety Alert which is explicity against the use of Ozempic for weight loss in non-diabetics. This happened in order to protect supplies for people who medically needed it the most.
What Are The Potential Benefits of Microdosing
The most commonly reported reason for microdosing is the mitigation of GLP-1 gastrointestinal distress. Users believed that when they split their weekly dose into smaller, bi-weekly injections, they would be able to lower its peak. This could significantly reduce severe nausea, vomiting, and sulphur burps that often occur within 24 to 48 hours after the first injection. In the UK, the majority of the patients are willing to pay privately for weight-loss medications, that’s why microdosing is often used as a way to make a single pen last longer. By maintaining an ultra-low micro dose, it still provides some appetite suppression while users can extend the life of a 2mg or 4mg pen beyond the recommended four weeks. However, this also has a few risks especially with the shelf-life of the pen. Once it was opened, usually 56 days, you need to consume it and the need for extra sterile needles.
Understanding the Risks & Concerns of Microdosing
The main risk of microdosing is that it is untested and unofficial. Titration schedules for medications like Ozempic and Wegovy were strictly determined and have undergone rigorous clinical trials like the STEP trials to find the optimal balance of safety and efficacy. There is still no medically peer-reviewed data to confirm that microdosing is safe, effective, and beneficial for long-term as the standard weekly protocol. When you take doses that are too low, it may result in sub-therapeutic levels within your bloodstream. This means that the medication may not be enough to effectively suppress your appetite or manage your blood sugar. This might lead to stalled weight loss. Furthermore, when you are exposed to very low doses for a longer period of time, this could lead to medication resistance. This means that the medication might be less effective when you eventually try to increase the dosage from the standard doses.
What You Need To Tell To Your Doctor
In the UK, this practice is not licensed or off-label that is why your GP or specialist might be hesitant to support it. When you consider this practice and might start a conversation with your GP, be completely honest and transparent in telling about the side effects you have been experiencing. Instead of telling them right away to microdose, tell them that you are currently struggling with the gastrointestinal side effects on the standard 0.25 mg dose. This will allow your GP to assess your situation and make some changes on how you can reduce experiencing it without doing the microdosage. It is very important to discuss this clearly to your GP because there are other options and factors in order to reduce the side effects that you might be struggling with.
If you and your GP have already adjusted your dosage from your previous, it is essential that you take regular monitoring of the following:
- Make sure to keep a daily log of your symptoms like nausea, fatigue, food noise. You should also take note of the time. Check if the symptoms peak 24 hours after a micro-dose or if it is more stable compared to a full weekly dose.
- For individuals who are diabetic, microdosing might change how your blood sugar will respond. Using a CGM can actually help you see if smaller and frequent doses will prevent hypoglycemia or if they fail to keep your highs in check.
- Practice rotating sites within your thigh, abdomen, arm. It is also to avoid lipohypertrophy or skin irritation.
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