Mounjaro & Wegovy: Supplements to Support Your Health
- AJ Hill Aesthetics

- 4 days ago
- 8 min read
GLP-1 medications such as Mounjaro and Wegovy offer numerous advantages for achieving a healthy body weight, such as curbing your appetite and diminishing cravings.
However, reducing food intake can make it challenging to fulfil nutritional needs. This is where supplements can be beneficial. When considering your diet on Mounjaro and Wegovy, ensuring adequate nutrition through whole foods is crucial for long-term success. But what if achieving your nutritional targets through diet alone is difficult?
For example, if you struggle to get enough protein from your food (which is crucial for maintaining muscle mass as you lose weight), protein supplements can help you hit daily targets.
Additional supplements may assist in alleviating side effects such as nausea, fatigue, or digestive problems. Furthermore, you might face challenges such as dietary needs, medical concerns, allergies, or mobility restrictions that necessitate supplementation.
So which vitamins and minerals will help you the most when losing weight on Mounjaro injections? This article will help you understand which supplements will best support you – and how to take them safely.

What Vitamins Should I Take with Mounjaro?
If you're concerned about nutritional deficiencies or simply aiming to eat healthier, supplements can provide the necessary vitamins and minerals. Additionally, some supplements can assist in managing side effects and alleviating digestive discomfort.
Consider incorporating these vitamins, minerals, and other nutritional supplements into your daily regimen.
Multivitamins
Incorporating multivitamins can serve as a straightforward and effective strategy to help you reach the recommended daily amounts for essential nutrients that your body needs to function optimally.
Multivitamins are formulated to provide a comprehensive array of vitamins and minerals that play vital roles in various bodily functions. They often include essential vitamins such as vitamin A, which supports vision and immune function; a variety of B vitamins, including B1 (thiamine), B2 (riboflavin), B3 (niacin), B6 (pyridoxine), B9 (folate), and B12 (cobalamin), all of which are crucial for energy metabolism and the production of red blood cells.
Additionally, vitamin D is included for its role in calcium absorption and bone health, while vitamin E acts as an antioxidant, protecting cells from damage.
In terms of minerals, multivitamins typically contain magnesium, which is important for muscle and nerve function as well as energy production; calcium, vital for maintaining strong bones and teeth; and iron, essential for the formation of hemoglobin, which carries oxygen in the blood. These nutrients work synergistically to support various physiological processes, ensuring that your body can operate efficiently even when dietary intake may be insufficient.
Moreover, the convenience of multivitamins cannot be overstated. For individuals who may struggle to consume a balanced diet due to lifestyle constraints or changes in appetite when taking GLP-1 medications.
Vitamin D
Vitamin D has several crucial functions in the body. It supports the immune system and enhances bone health by aiding in the absorption of calcium.
We obtain vitamin D from UV rays from the sun and foods like red meat, eggs, and oily fish, which also contain healthy fats. Given the UK's typically poor weather, it's not surprising that approximately 1 in 6 adults have a vitamin D deficiency.
The UK government advises everyone to take a daily vitamin D supplement from October to early March. Reducing your food intake might lead to missing out on vitamin D-rich foods as well. Therefore, the risk of deficiency could be higher when on Mounjaro.
Vitamin B12
Vitamin B12 is a nutrient that keeps your nerve and blood cells healthy.
The main food sources of vitamin B12 are meat, fish, dairy and some fortified foods like cereals. It doesn’t occur naturally in plant-based foods, so it’s recommended that all vegans take a vitamin B12 supplement.
On Mounjaro and Wegovy, you may find it hard to get enough vitamin B12. This is especially true if you’re eating less meat, dairy, and eggs than before.
Iron
Iron serves several crucial functions in the body, such as supporting the production and maintenance of healthy blood.
Most individuals obtain sufficient iron through a balanced diet. However, if you experience fatigue and weakness while taking Mounjaro, you may not be getting enough iron.
Although many multivitamins contain iron, the amount is significantly less than what is prescribed for an iron deficiency. If you suspect you have an iron deficiency, consult your GP.
Too little or too much iron can also have significant side effects. This is especially important to be aware of if you have iron conditions such as anaemia (lacking iron) or hemochromatosis (iron overload). So don’t take iron tablets without speaking to your GP.
Zinc
Zinc has many important functions, including helping your body fight bacteria and viruses by boosting the immune system.
Zinc-rich foods include meat, shellfish, and seeds. In plant-based diets, zinc is less bioavailable, which means the body often absorbs and utilizes less zinc from plant-based foods compared to animal-based foods.

Other Supplements to Take with Mounjaro & Wegovy
Electrolytes
Electrolytes are salts and minerals present in bodily fluids such as blood, urine, and sweat. They are crucial for keeping you hydrated and ensuring your body functions correctly. Losing electrolytes can result in fatigue and muscle cramps.
It's common to experience slight nausea and a reduced appetite, which can decrease your fluid consumption. Diarrhea and vomiting can also cause dehydration. Therefore, if you're using Mounjaro and Wegovy, you may be more prone to dehydration and electrolyte imbalance.
Electrolyte supplements can assist in restoring balance and aiding hydration. However, you should only take them if you're losing electrolytes through sweat, vomiting, or diarrhea. They shouldn't be used daily or merely to compensate for low water intake, as this can lead to an electrolyte imbalance.
Magnesium
Magnesium is a crucial mineral for muscle function, nerve health, and maintaining energy levels. A balanced diet typically provides sufficient magnesium, with excellent sources being spinach, wholemeal bread, and nuts.
A deficiency in magnesium can cause fatigue and muscle cramps. Taking supplements such as magnesium citrate or magnesium glycinate may help address these symptoms.
However, be aware that certain forms, like magnesium citrate and magnesium oxide, can have laxative effects, so they should be used with caution if you're concerned about diarrhea or digestive issues.
Fibre Supplements
Side effects of Mounjaro and other GLP-1 receptor agonists may lead to gastrointestinal issues such as constipation or diarrhoea.
This is why consuming sufficient fibre in your diet while taking Mounjaro is crucial. It aids in healthy digestion and helps prevent common side effects. Fibre also enhances gut health by nourishing the beneficial gut bacteria and maintains regular bowel movements.
A review from the American Journal of Clinical Nutrition found that fibre supplements helped adults with chronic constipation. However, supplements should only be used short-term to manage constipation. If you are experiencing constipation, we can help assess your need for a laxative.
Aim to eat five portions of fruit and veg a day and increase your fibre intake through diet. And make sure you are drinking enough water – at least two litres per day. Fibre absorbs water to form a gel-like substance in your digestive system. This helps soften stools and promote regular bowel movements.
Probiotics
GLP-1 medications can affect your gastrointestinal system and decrease food consumption, potentially disrupting your gut microbiome balance.
Probiotic supplements are believed to include beneficial bacteria that assist in maintaining and restoring the natural balance of your gut microbiome, promoting gut health. They may also help regulate bowel movements, reduce bloating, and enhance overall digestive comfort.
Omega-3 Fatty Acids
Omega-3 fatty acids have a range of benefits including keeping your heart healthy, reducing inflammation and improving brain function. It’s found in oily fish like mackerel, salmon and sardines. Plant-based sources include walnuts and flaxseeds.
But if you’re finding it hard to eat enough of these foods, you might want to consider a supplement like cod liver oil or vegetarian omega-3 tablets.
Protein Powder
When using Mounjaro & Wegovy, it's crucial to consume enough protein, as it aids in preserving muscle mass during weight loss. Rapid weight loss can also cause muscle wastage if we do not eat enough protein or perform enough muscle-retaining exercises. Protein also assists in managing satiety and cravings, facilitates tissue repair, and supports a strong immune system.
Incorporating protein powder into your diet is a simple way to increase your intake when your appetite is reduced. However, while convenient, protein supplements should not replace a balanced and varied diet.
Therefore, aim to consume sufficient protein-rich foods throughout the day, such as lean meats, fish, eggs, legumes, and dairy. Setting weekly protein targets can help you gradually raise your intake in a sustainable and enjoyable manner.
Ginger
Ginger, a root that has been utilized for centuries in various cultures for its medicinal properties, is particularly renowned for its natural anti-nausea effects. Many people undergoing weight loss treatments may encounter nausea as a common side effect, which can be both uncomfortable and discouraging.
Ginger is not only effective in alleviating nausea but also plays a significant role in supporting overall digestive health. Its active compounds, such as gingerol and shogaol, are known to enhance the digestive process by promoting the secretion of digestive enzymes and increasing gastric motility. This can lead to improved digestion and a reduction in bloating, gas, and other discomforts associated with digestive issues.
As a result, for those who are using weight loss injections, incorporating ginger into their diet can provide dual benefits: managing nausea effectively while also supporting a healthy digestive system. This holistic approach can contribute to a more positive experience during their weight loss journey, ultimately leading to better adherence to their health goals.
Risks of Dietary Supplements
Although supplements can be beneficial when using Mounjaro and Wegovy, they are not entirely without risks. Overconsumption or selecting inappropriate products may lead to side effects.
Always review the instructions and warnings on the packaging, and avoid surpassing the recommended daily dose. Consult your healthcare provider before incorporating supplements into your diet.
Electrolyte Imbalance
Taking too much magnesium or other electrolytes can cause electrolyte imbalance, resulting in unpleasant gastrointestinal symptoms such as diarrhoea. Diarrhoea is a common side effect of Mounjaro.
Taking too many of these supplements may make the side effects worse. It can also cause irregular heart rates, confusion, breathing difficulties and vomiting.
Too Much Iron
According to the NHS, side effects of taking high doses of iron include nausea, vomiting, stomach pain and constipation. Side effects can be much more serious if very high doses are taken.
You should only take iron supplements if you’re deficient or have low iron levels. It is extremely important to consult your GP before taking iron supplements.
Too Much Zinc
According to the NHS, taking too much Zinc can stop the body from absorbing copper. This can lead to anaemia and weaken bones.
Men need 9.5 mg of Zinc a day, while women need 7 mg.
How to Take Supplements Safely
Talk to a healthcare professional, such as your GP, local pharmacy or ourselves before you start taking any supplements whilst using GLP-1 medications like Mounjaro, Wegovy, Ozempic, Rybelsus, Trulicity or Saxenda.
If you’re concerned about deficiencies and feel you need diagnostic tests, your GP can arrange a blood test to check your levels of key nutrients.
They will also make sure you avoid any potential interactions with medications you’re taking. And they’ll guide you through the correct dosage for each supplement.
In most cases, you can meet all your nutritional needs with a healthy and well-balanced diet. So, it’s important you don’t use supplements as a replacement for eating well and exercising. This will also prevent you from wasting your money on supplements you don’t need.
Key Points:
Benefits of Supplementation: While supplements should not replace a nutritious and balanced diet, they can aid in digestion, prevent nutrient deficiencies, sustain energy levels, and help maintain muscle mass.
Recommended Supplements: Incorporating a variety of vitamins, minerals, and probiotics can help ensure you avoid deficiencies and maintain optimal health.
Potential Risks of Excessive Supplementation: Overconsumption of certain supplements or using inappropriate products may lead to adverse effects, such as electrolyte imbalances, iron toxicity, and aggravated stomach problems.
Consult Your Healthcare Provider: Always adhere to the dosage instructions on packaging and consult your GP or pharmacist with any inquiries. At Simple Online Pharmacy, our patient care team is ready to address any questions or concerns regarding diet and lifestyle while using Mounjaro.


