Best Supplements to Take with Simvastatin (and Which Ones to Avoid)
Quick Answer
Yes, most people can safely take supplements while taking simvastatin.
The main thing is choosing supplements that are appropriate for your health needs and avoiding products that may increase the risk of side effects or affect how your statin works.
For people taking simvastatin, the supplement most commonly discussed is coenzyme Q10 (CoQ10). Some people also consider omega-3, vitamin D, magnesium or a high-quality multivitamin, depending on their diet and health goals.
That said, not everyone taking simvastatin needs supplements. The right choice depends on your overall health, diet, symptoms, cholesterol management plan and whether you have any confirmed deficiencies.
In this guide, we'll explain:
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Which supplements may be worth considering.
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Which supplements should be avoided or used with caution.
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How to choose supplements that genuinely add value.
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When it's worth speaking to your GP or pharmacist.
Pharmacist's Verdict
| Question | Answer |
|---|---|
| Can I take supplements with simvastatin? | ✅ Yes, in most cases. |
| Does everyone taking simvastatin need supplements? | ❌ No. |
| Which supplement is most commonly discussed? | ✅ Coenzyme Q10 (CoQ10). |
| Are there supplements to avoid? | ✅ Yes — especially some cholesterol-lowering supplements and herbal products. |
Where Should You Start?
If you're taking simvastatin, supplements should complement a healthy lifestyle—not replace it. Rather than taking several products at once, focus on supplements that align with your individual health goals or address a confirmed deficiency.
| Supplement | When to consider it | Why? |
|---|---|---|
| Coenzyme Q10 (CoQ10) | If you're experiencing muscle aches or want to support normal energy production | Statins reduce the body's natural production of CoQ10, although the benefits of supplementation remain uncertain. |
| High-quality multivitamin | If you're looking for general nutritional support | Can help support your overall intake of vitamins and minerals as part of a balanced diet. |
| Omega-3 | If you rarely eat oily fish | Omega-3 fatty acids support normal heart function when consumed as part of a healthy lifestyle. |
| Vitamin D | If you have limited sun exposure or are at risk of deficiency | Supports normal muscle function, immune function and bone health. |
| Magnesium | If your dietary intake is low | Contributes to normal muscle function, normal nervous system function and the reduction of tiredness and fatigue. |
In the next section, we'll look at each of these supplements in more detail and explain when they may—or may not—be worth considering.
Supplements That May Be Worth Considering
Coenzyme Q10 (CoQ10)
CoQ10 is the supplement most commonly discussed alongside simvastatin. Statins can reduce the body's natural production of CoQ10, although research is mixed on whether taking it as a supplement improves muscle symptoms.
Some people choose to try CoQ10 if they develop muscle aches while taking a statin, but it isn't essential for everyone.
A High-Quality Multivitamin
If you're looking for general nutritional support, a well-formulated multivitamin can be a sensible option. Look for one that uses bioavailable nutrient forms, avoids unnecessary fillers and supports your overall nutritional intake rather than focusing on one single nutrient.
(TRINITY is pharmacist formulated, uses bioavailable nutrient forms and separates nutrients across Morning, Day and Night formulations.)
Omega-3
Omega-3 may be worth considering if you don't regularly eat oily fish. It isn't needed because you're taking simvastatin specifically, but it may support normal heart function as part of a healthy lifestyle.
Vitamin D
Vitamin D deficiency is common in the UK. If you have limited sun exposure, low vitamin D levels or an increased risk of deficiency, supplementation may be appropriate.
Magnesium
Magnesium isn't routinely recommended because you're taking simvastatin, but it may be helpful if your dietary intake is low or you're looking to support normal muscle and nervous system function.
(Magnesium Complex contains magnesium bisglycinate and magnesium taurate with no magnesium oxide.)
Supplements to Avoid (or Use with Caution)
Most supplements can be taken safely with simvastatin. However, some products may increase the risk of side effects or affect how your medication works.
| Supplement | Recommendation | Why? |
|---|---|---|
| Red yeast rice | ⛔ Avoid unless advised | Red yeast rice contains naturally occurring statin-like compounds. Taking it with simvastatin may increase the risk of muscle-related side effects and liver problems. |
| St John's wort | ⚠️ Avoid | St John's wort can reduce the effectiveness of simvastatin by affecting how it's metabolised. |
| High-dose niacin (vitamin B3) | ⚠️ Use with caution | High doses of niacin may increase the risk of muscle-related side effects when taken with a statin. |
| Supplements marketed to lower cholesterol | ⚠️ Check the ingredients | Some contain active ingredients that may duplicate or interact with your prescribed treatment. |
If you're considering a supplement to help lower your cholesterol, speak to your GP or pharmacist first. They can help you choose an option that's safe alongside simvastatin and fits with your overall treatment plan.
When Is It Worth Seeking Advice?
Most people can take supplements safely alongside simvastatin. However, it's worth speaking to your GP or pharmacist if:
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You've developed muscle aches, weakness or cramps since starting simvastatin.
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You're considering CoQ10 for statin-related muscle symptoms.
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You're thinking about taking supplements marketed for cholesterol support.
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You're planning to take several supplements alongside your medication.
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You have liver disease or another long-term medical condition.
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You're taking multiple prescription medicines.
If you develop unexplained muscle pain, tenderness or weakness—especially if it's severe or you feel generally unwell—seek medical advice promptly.
Your healthcare professional can help decide whether supplements are appropriate, whether blood tests are needed or whether your statin treatment should be reviewed.
Frequently Asked Questions
Can I take supplements with simvastatin?
Yes. Most supplements can be taken safely with simvastatin. However, some cholesterol-lowering supplements and herbal products can interact with statins, so check with your GP or pharmacist before starting anything new.
What are the best supplements to take with simvastatin?
CoQ10, a high-quality multivitamin, omega-3, vitamin D and magnesium are commonly considered. The best choice depends on your diet, symptoms, health goals and whether you have any confirmed deficiencies.
Should I take CoQ10 with simvastatin?
Not everyone needs CoQ10. Statins can reduce CoQ10 production in the body, but research is mixed on whether supplements improve muscle symptoms. Some people choose to try it if they develop muscle aches.
Can I take magnesium with simvastatin?
Yes. Magnesium can generally be taken safely with simvastatin. It isn't needed because of simvastatin itself, but it may be useful if your dietary intake is low or you want to support normal muscle and nervous system function.
Can I take vitamin D with simvastatin?
Yes. Vitamin D can generally be taken safely with simvastatin and may be appropriate if you have low sun exposure, low vitamin D levels or an increased risk of deficiency.
Can I take omega-3 with simvastatin?
Yes. Omega-3 supplements can generally be taken with simvastatin. They may be worth considering if you don't regularly eat oily fish and want to support normal heart function as part of a healthy lifestyle.
Should I avoid red yeast rice with simvastatin?
Yes, unless your healthcare professional has specifically advised otherwise. Red yeast rice contains statin-like compounds and may increase the risk of side effects when taken with simvastatin.
Can I take St John's wort with simvastatin?
No, unless advised by a healthcare professional. St John's wort can reduce the effectiveness of simvastatin by affecting how your body processes the medicine.
Should I stop taking simvastatin if I get muscle aches?
No. Don't stop simvastatin without speaking to your GP or pharmacist. Muscle aches can have many causes, but if they start after taking simvastatin or become severe, arrange a medication review.
