Those few days before your period can feel like a completely different version of you. Bloating, breast tenderness, headaches, cravings, tiredness or sudden mood changes can make everyday life feel harder, especially when the symptoms return month after month.
PMS is linked to hormonal changes during the menstrual cycle, but there is no one-size-fits-all approach to managing it. What helps one woman may not make much difference to another. Alongside a balanced diet, regular movement, good sleep and other healthy habits, some vitamins, minerals and herbal supplements may be worth considering for symptom support.
But which supplements are actually worth considering, and what does the evidence say? From magnesium and vitamin B6 to evening primrose oil, understanding what each option can and cannot do can help you make a more informed choice for your cycle.
What Is PMS? Understanding Symptoms and Your Menstrual Cycle
Premenstrual syndrome (PMS) refers to a group of physical and emotional symptoms that can appear in the days or weeks before your period. They often ease once your period starts, but the timing and severity can vary from one woman to another.
Common PMS symptoms include:
-
Bloating or abdominal discomfort
-
Breast tenderness
-
Headaches or tiredness
-
Mood changes or irritability
-
Anxiety or feeling more emotional
-
Food cravings or changes in appetite
-
Difficulty sleeping
-
Skin changes
The exact cause of PMS is not fully understood, but hormonal changes during the menstrual cycle are thought to play a role. Some women may also be more sensitive to these changes than others.
Tracking your symptoms across at least two menstrual cycles can help you recognise your individual pattern. Note when symptoms appear, how long they last and how much they affect your daily life. This can also give your GP useful information if your symptoms become difficult to manage.
2. Which Supplements May Help With PMS Symptoms?
Supplements are sometimes used as part of a wider approach to PMS. However, evidence varies between ingredients, and a supplement that works well for one person may not make a noticeable difference for another.
Here are some of the most commonly considered options for PMS support.
Evening Primrose Oil
Evening primrose oil is made from the seeds of the evening primrose plant and is commonly used as a women's health supplement.
It contains gamma-linolenic acid (GLA), an omega-6 fatty acid that has been studied for a range of women's health concerns, including PMS.
However, evidence for evening primrose oil specifically for PMS is not strong enough to say that it will reliably relieve symptoms. If you are considering it, follow the product instructions and speak with a pharmacist or GP if you take medication or have an ongoing health condition.
Agnus Castus
Agnus castus, also known as chasteberry, is a herbal supplement traditionally used for menstrual and PMS-related symptoms.
Some research suggests it may help with certain PMS symptoms, but the evidence is mixed and its effectiveness can vary. It should therefore be viewed as an option to discuss with a healthcare professional rather than a guaranteed treatment.
Because herbal supplements can interact with medicines, checking with a pharmacist before taking Agnus Castus is particularly important if you regularly use prescription or over-the-counter medicines.
Vitamin B6
Vitamin B6 is an essential nutrient involved in several functions in the body, including normal energy metabolism and the formation of red blood cells.
It is also one of the supplements sometimes considered for PMS. However, taking more does not necessarily mean getting more benefit.
Vitamin B6 can be harmful in excessive amounts. The NHS advises adults not to take more than 10mg of vitamin B6 a day from supplements unless advised to do so by a doctor. High doses taken over time can cause nerve damage.
For this reason, always check the amount of vitamin B6 in a supplement, particularly if you are already taking a multivitamin or another women's health product containing B6.
Magnesium
Magnesium is an essential mineral involved in many processes in the body, including energy production and normal muscle and nervous system function.
It is commonly included in supplements aimed at women's health and is sometimes considered as part of a nutritional approach to PMS. The NHS lists magnesium among the dietary supplements that may be tried for PMS, although it also notes that evidence for supplements overall is limited.
Magnesium can also be obtained through foods such as nuts, wholegrains and green vegetables. If you choose a supplement, check the amount you are taking and avoid unnecessarily high doses. The NHS advises that 400mg or less of magnesium a day from supplements is unlikely to cause harm for adults, while higher amounts can cause diarrhoea.
Other Nutrients to Consider
Calcium, vitamin D and omega-3 fatty acids may also form part of a balanced nutritional approach to women's health.
How to Choose a PMS Supplement
Not every PMS supplement will suit every woman, and choosing one is not simply about finding the product with the longest ingredient list. Start with the symptoms you want to support, then look at the ingredients and amounts carefully. If you're exploring different options, hormone health supplements can provide a starting point for comparing products designed around women's health needs.
1. Start with your needs
Think about the symptoms you experience most often and consider whether your diet already provides the nutrients you need. This can help you avoid taking supplements unnecessarily.
2. Check what is already in your routine
If you take a multivitamin or another women's health supplement, check the label before adding another product. You may already be getting nutrients such as vitamin B6 or magnesium, and combining products can increase your overall intake.
3. Follow the recommended dose
More is not automatically better. Stick to the dosage on the product and avoid increasing it in the hope of getting faster or stronger results.
4. Consider your circumstances
Pregnancy, breastfeeding, existing health conditions and regular medicines can affect whether a supplement is suitable. This is particularly important with herbal products, which can interact with some medicines.
Lifestyle Habits That Can Support PMS and Cycle Health
Supplements can be one part of managing PMS, but everyday habits matter too. Small changes to your routine may help you feel more comfortable and better prepared for the days before your period.
Eat regular, balanced meals
Try not to skip meals when you're dealing with PMS. A varied diet including wholegrains, fruit and vegetables, protein and healthy fats can help support your overall nutritional needs. If certain foods seem to make your symptoms worse, you can adjust your choices accordingly.
Stay active
Regular physical activity may help ease some PMS symptoms. You do not need an intense exercise routine. Walking, cycling, swimming, yoga or another activity you enjoy can be a practical way to stay active.
Prioritise sleep
Tiredness can make PMS harder to cope with. Aim for a consistent sleep routine and give yourself enough time to rest, particularly during the days when your symptoms tend to appear.
Make time to unwind
Finding ways to manage everyday stress can support your overall wellbeing. Try activities that help you switch off, such as gentle exercise, yoga, meditation or simply taking some quiet time for yourself.
These habits can complement any supplement or treatment that may be appropriate for your individual needs.
When Should You Speak to a GP About PMS?
PMS is common, but symptoms that regularly disrupt your everyday life deserve proper attention. Speak to your GP if your symptoms are affecting work, relationships, daily activities or your overall wellbeing, particularly if lifestyle changes have not helped.
It is also worth seeking medical advice if your symptoms:
-
Are severe or becoming noticeably worse
-
Last longer than you would normally expect
-
Are affecting you throughout the month rather than mainly before your period
-
Are significantly affecting your mood or ability to cope with everyday life
Some women experience premenstrual dysphoric disorder (PMDD), a more severe form of premenstrual symptoms that can have a substantial impact on daily life. A GP can assess your symptoms and help determine whether PMS, PMDD or another condition could be contributing.
Supplements may form part of a wider approach to managing mild symptoms, but they should not be used to delay medical advice when symptoms are severe, persistent or getting worse.
Conclusion
PMS can look different from one woman to another, so finding the right approach often starts with understanding your own symptoms and what your body needs.
Supplements may be useful for some women, but they are not a guaranteed solution and should be chosen thoughtfully. Paying attention to your symptoms, checking ingredients and speaking with a pharmacist when you are unsure can help you make a more informed choice.
If you are looking for nutritional support as part of your wider women's health routine, explore Ballyduff Pharmacy's Women's Health range for options to consider.