Can Supplements Help Prevent Migraines? What the Research Says About Magnesium, Probiotics, CoQ10, and Vitamins

Migraines are more than just bad headaches. They can involve severe pain, nausea, sensitivity to light and sound, and enough disability to completely derail someone's day. For people who experience them regularly, preventing the next migraine can become just as important as treating one once it starts.

Medications are an important part of migraine prevention for many people, but there's also a lot of interest in nutritional supplements. Magnesium and CoQ10 have been discussed for years. Riboflavin is another common recommendation. More recently, probiotics have entered the conversation because of growing interest in the connection between the gut and brain.

But do any of these supplements actually work?

A 2026 systematic review and network meta-analysis published in Frontiers in Nutrition tried to answer that question by comparing randomized controlled trials of several nutritional supplements used for migraine prevention. The researchers analyzed 14 randomized controlled trials involving 791 adults and compared vitamins, magnesium, CoQ10, probiotics, combinations of vitamins and probiotics, and placebo or control treatments. 

The results were interesting, but they also provide a good example of why you shouldn't stop reading at the headline.

Probiotics produced the largest estimated reduction in migraine frequency, while magnesium produced the largest reduction in migraine severity. However, the evidence was not strong enough to conclude that probiotics are the "best" migraine supplement, and no supplement significantly reduced how long a migraine lasted.

Let's look at what the study actually found.

TLDR: Which Supplements Actually Helped Migraines?

The researchers compared several nutritional supplement categories across 14 randomized controlled trials involving 791 adults with migraines. They looked separately at how often migraines occurred, how severe they were, and how long they lasted. Those are three different outcomes, and the distinction matters. 

• Probiotics showed the largest estimated reduction in migraine frequency at 2.60 fewer attacks per month compared with control.
• Vitamin plus probiotic combinations reduced migraine frequency by an estimated 1.92 attacks per month.
• CoQ10 reduced migraine frequency by approximately 1.91 attacks per month.
• Vitamins reduced migraine frequency by approximately 1.85 attacks per month.
• Magnesium's estimated reduction in migraine frequency was smaller and did not reach statistical significance.
• Magnesium was the only intervention that significantly reduced migraine severity, with an estimated 3.56-point reduction on a 10-point pain scale.
• No supplement significantly reduced the duration of individual migraine attacks.
• Probiotics ranked highest for migraine frequency, but that finding relied heavily on indirect evidence. Only one direct probiotic-versus-control trial with 40 participants contributed to that analysis.
• The researchers rated most of the evidence as moderate certainty and emphasized that treatment rankings should be considered exploratory.

So, there are some promising findings here, particularly for magnesium and possibly probiotics, CoQ10, and vitamins. But this study doesn't give us enough evidence to declare one supplement the clear winner.

What Did the Researchers Actually Study?

This wasn't a new clinical trial where researchers gave hundreds of people different supplements.

It was a network meta-analysis.

A traditional meta-analysis combines results from multiple studies investigating similar treatments. A network meta-analysis goes a step further by allowing researchers to compare several treatments at once, even when those treatments haven't always been tested directly against each other.

The researchers searched four databases for randomized controlled trials involving nutritional supplements and adults with migraines. Their final analysis included 14 randomized controlled trials with 791 participants and six treatment categories: vitamins, magnesium, CoQ10, probiotics, vitamin plus probiotic combinations, and placebo or control. 

They examined three major migraine outcomes: frequency, duration, and severity. Adverse events were also analyzed as a secondary outcome.

That's an important design because a supplement could potentially reduce how often someone gets migraines without doing much to change how painful an individual migraine becomes.

And that's pretty close to what the researchers found.

Probiotics Had the Largest Effect on Migraine Frequency

Probably the most attention-grabbing result from this study was probiotics.

Across the network analysis, probiotics were associated with an estimated 2.60 fewer migraine attacks per month compared with control, with a 95% confidence interval ranging from 1.20 to 3.96 fewer attacks. Probiotics also had a 72% probability of ranking first among the supplements for reducing migraine frequency. 

That's potentially meaningful.

If someone normally experiences six migraines per month, reducing that number by two or three would make a noticeable difference in their life.

The other supplements didn't perform poorly either. Vitamin plus probiotic combinations were associated with approximately 1.92 fewer attacks per month, CoQ10 with 1.91 fewer, and vitamins with 1.85 fewer compared with control. Those estimates were also statistically significant. supplements for migraine preven…

Magnesium was associated with approximately 0.82 fewer attacks per month, but its confidence interval crossed zero, meaning the result wasn't statistically significant in this particular analysis.

At first glance, it would be easy to conclude that probiotics were clearly the best supplement.

I wouldn't go that far.

The Probiotic Result Comes With a Pretty Big Catch

This is probably the most important limitation in the entire paper.

Despite probiotics ranking first for reducing migraine frequency, only one direct probiotic-versus-control trial contributed to the updated migraine-frequency dataset, and that study involved just 40 participants. The rest of the favorable ranking depended substantially on indirect comparisons through the network. 

That's very different from having five or ten large trials repeatedly showing the same result.

The researchers were explicit about this. They cautioned that the probiotic finding shouldn't be generalized to every probiotic strain, dose, or commercially available probiotic product. They also pointed out that having a biologically plausible explanation for why probiotics might help doesn't prove that they actually do.

That's an especially important point with probiotics because "probiotic" isn't one specific ingredient.

Different products can contain completely different bacteria, different combinations of strains, different amounts of bacteria, and different manufacturing and storage conditions. Two bottles sitting next to each other on a store shelf can both say "probiotic" while being biologically very different products.

So I wouldn't interpret this study as evidence that someone with migraines should walk into a store, grab a random probiotic, and expect two or three fewer migraines per month.

The finding is interesting enough to justify more research.

It isn't strong enough to make that promise.

Why Would Probiotics Affect Migraines Anyway?

The idea isn't as strange as it initially sounds.

There is growing interest in what's commonly called the gut-brain axis, which describes the two-way communication between the gastrointestinal system and the brain.

Gut microorganisms and the compounds they produce can interact with the immune system, nervous system, inflammatory signaling, and metabolism. Since migraine is a neurological disorder involving several of these systems, researchers have begun investigating whether changes in the gut microbiome might influence migraine susceptibility.

The authors specifically noted that the probiotic finding is consistent with the proposed involvement of the gut-brain axis in migraine biology.

But there's an important lesson here.

A good mechanism doesn't prove a treatment works.

We can explain several reasons probiotics might influence migraines. What we still need are larger randomized controlled trials showing that particular strains, at particular doses, consistently reduce migraines in actual people.

For now, I'd put probiotics in the promising but preliminary category.

Magnesium Had the Strongest Result for Migraine Severity

Magnesium produced a very different result.

It wasn't particularly impressive for migraine frequency in this analysis, but it stood out when researchers looked at migraine severity.

Thirteen studies reported migraine severity using a 10-point visual analog pain scale. Magnesium produced the largest estimated reduction at 3.56 points, with a 95% confidence interval from 0.52 to 6.50 points lower than control.  More importantly, magnesium was the only supplement whose confidence interval excluded zero for migraine severity.

Magnesium also had an 85% probability of ranking first for reducing migraine severity.

That's a much more interesting result to me than simply looking at which supplement finished first on a ranking table.

If someone rated their migraine pain an eight out of ten, a reduction of several points could obviously be meaningful.

However, there's still a lot of uncertainty around the exact size of that effect.

The researchers specifically noted that the amount of direct evidence was limited and that the findings weren't strong enough to establish magnesium's comparative superiority or recommend a particular magnesium formulation or dose.

So this study supports magnesium as a potentially useful migraine prevention strategy.

It doesn't tell us that magnesium glycinate, citrate, oxide, or some other form is definitely best.

Why Might Magnesium Help With Migraines?

Magnesium is involved in hundreds of biological reactions throughout the body, including processes affecting nerve function, muscle contraction, energy metabolism, and neurotransmitter activity.

In migraine specifically, the researchers discussed magnesium's potential involvement in cortical spreading depression, a wave of electrical and chemical activity in the brain believed to be involved in migraine aura. Magnesium may also influence neuronal membrane stability and neurotransmitter release. 

There has been interest in magnesium and migraine for years, so this finding didn't appear out of nowhere.

What this meta-analysis adds is evidence suggesting that magnesium may have a particularly interesting effect on how severe migraines become, even though it didn't rank particularly well for reducing migraine frequency.

Again, that's why separating migraine outcomes matters.

A treatment doesn't necessarily have to prevent every migraine to still be useful if the migraines that occur become substantially less severe.

CoQ10 May Help Reduce How Often Migraines Occur

Coenzyme Q10, or CoQ10, also performed reasonably well.

The network analysis estimated that CoQ10 was associated with approximately 1.91 fewer migraine attacks per month compared with control.   the structures inside cells responsible for producing much of the energy cells need to function.

One hypothesis in migraine research is that impaired mitochondrial energy metabolism may contribute to abnormal neuronal excitability in susceptible people. Because CoQ10 plays an important role in mitochondrial function and oxidative stress regulation, there's a reasonable biological argument for investigating it in migraine prevention.

But once again, the results depend on the outcome you're examining.

When researchers looked at migraine severity, CoQ10 produced an estimated 1.21-point reduction, but the confidence interval crossed zero. The authors therefore concluded that the analysis couldn't establish a definitive effect of CoQ10 on migraine severity.

So the signal for CoQ10 appears more interesting for frequency than severity in this particular analysis.

What About Vitamins?

The researchers grouped vitamin interventions into a broad vitamin category, which creates one of the major limitations of the study.

The vitamin category was associated with approximately 1.85 fewer migraine attacks per month compared with control. 

The paper discusses several B vitamins as biologically relevant to migraine, including riboflavin, folate, and vitamin B12, because of their roles in energy metabolism, homocysteine metabolism, vascular function, and inflammation.han knowing exactly which vitamin, at what dose, and in which population.

The authors recognized this problem. Different vitamins were grouped into broad intervention categories to make the statistical network work, but individual vitamins may have very different biological effects and bioavailability.

That means you shouldn't look at this study and conclude that taking a generic multivitamin will prevent nearly two migraines per month.

The study doesn't support that conclusion.

Did Combining Vitamins and Probiotics Work Even Better?

The vitamin plus probiotic category produced some interesting numbers.

For migraine frequency, the combination was associated with approximately 1.92 fewer attacks per month compared with control.

It also produced the largest estimated reduction in migraine duration at approximately 4.68 fewer hours per attack.

That second number sounds impressive until you look at the uncertainty around it.

The 95% confidence interval ranged from a 9.76-hour reduction to a slight increase of 0.15 hours. Because that confidence interval crossed zero, the result wasn't statistically significant. The researchers therefore described the finding as exploratory rather than evidence of a proven synergistic effect.

In other words, we can't say combining vitamins and probiotics makes migraines nearly five hours shorter.

It might.

But this study didn't establish that.

None of the Supplements Significantly Shortened Migraines

This was one of the clearest findings in the analysis.

Although several supplements showed estimated reductions in migraine duration, every confidence interval crossed zero.

That means no supplement demonstrated a statistically significant reduction in how long an individual migraine attack lasted.

This distinction is useful because people often use the word "works" without explaining what they mean.

A supplement might help reduce the number of migraines someone experiences.

Another might reduce how painful those migraines become.

That doesn't necessarily mean either one makes an active migraine disappear faster.

Based on this analysis, there isn't convincing evidence that any of these supplement categories reliably shortened migraine duration.

Longer Supplement Use May Matter, but Don't Overinterpret It

The researchers found another interesting association.

For every additional week of treatment, migraine frequency was associated with an estimated reduction of approximately 0.09 attacks per month.

That might suggest nutritional interventions need time before their full effects become apparent.

However, the researchers correctly cautioned against treating this as proof that taking a supplement for a certain number of weeks will produce a predictable reduction in migraines.

This result came from a study-level meta-regression, meaning researchers were comparing patterns between studies rather than tracking a simple cause-and-effect relationship within individual people.

So I wouldn't turn 0.09 attacks per week into some kind of supplement calculator.

The more reasonable takeaway is that migraine prevention supplements probably shouldn't be judged after three or four days. If a supplement is going to influence migraine biology, the effect may take time to become noticeable.

Were the Supplements Safe?

Only six of the included studies reported adverse events, so the safety analysis was considerably smaller than the efficacy analysis.

Magnesium had the most favorable estimated adverse-event result, with an odds ratio of 0.22 compared with control, followed by vitamins at 0.40 and CoQ10 at 1.19. However, the confidence intervals were wide, and the magnesium comparison wasn't statistically significant.  

The more important point is that the available adverse-event data were limited.

That's worth remembering whenever supplements are described as automatically safe because they're "natural." Dose, formulation, medications, health conditions, and individual tolerance all matter.

Magnesium, for example, can cause gastrointestinal problems at supplemental doses, and some forms are much more likely to cause diarrhea than others.

Why You Should Be Careful With Supplement Rankings

Network meta-analyses often produce rankings showing which treatment has the highest probability of being best.

They're useful.

They're also extremely easy to misuse.

In this analysis, probiotics had a 72% probability of ranking first for migraine frequency, while magnesium had an 85% probability of ranking first for migraine severity.

Those numbers sound much more definitive than the evidence actually is.

The researchers repeatedly warned that the rankings should be treated as exploratory because the evidence network was relatively sparse and many comparisons between supplements were indirect rather than head-to-head.

None of the active supplements were statistically superior to each other for migraine frequency.

That's important.

The study found evidence that some supplements performed better than control. It did not establish a clear winner among the supplements themselves.

This Study Had Some Important Limitations

The biggest limitation is simply size.

The entire analysis included 14 randomized controlled trials and 791 participants. That's useful, but it's still a fairly small evidence base for comparing several different supplement categories. 

Many of the included trials were relatively small pilot or feasibility studies. There also weren't many direct head-to-head comparisons between supplements, meaning much of the network depended on comparing one supplement with placebo and then indirectly comparing that result with another supplement's placebo-controlled result.

The studies also differed in supplement formulations, doses, treatment duration, study populations, adherence, manufacturing quality, and how outcomes were measured.

The researchers had to group biologically different products together into broad categories. Different magnesium salts were essentially treated as members of the same general magnesium category. Different probiotics could vary in bacterial strain, number of organisms, viability, and dose. Vitamins with very different biological functions could fall within the vitamin category.

The study authors explicitly warned that the findings shouldn't be extrapolated directly to a specific commercial product, formulation, probiotic strain, or dose.

That's a pretty important limitation if you're trying to decide what to buy.

So Which Supplement Looks Most Promising?

If I had to summarize this study alone, I'd separate the answer by goal.

For reducing migraine frequency, probiotics produced the largest estimated effect, followed by vitamin plus probiotic combinations, CoQ10, and vitamins.

But probiotics also come with the biggest reason for caution because their favorable ranking depended heavily on indirect evidence and only one small direct probiotic-versus-control trial.

For reducing migraine severity, magnesium produced the strongest finding. It was the only intervention in the analysis that achieved a statistically significant reduction in severity compared with control.

CoQ10 also deserves attention because its effect on migraine frequency was reasonably substantial and there's biological plausibility behind its role in mitochondrial energy metabolism.

I wouldn't use this analysis to pick a generic vitamin supplement because the vitamin category is simply too broad to tell us exactly what someone should take.

And I definitely wouldn't use the rankings to create a stack containing magnesium, probiotics, CoQ10, and several vitamins and assume combining everything will produce an even larger effect.

The study didn't test that.

Supplements Shouldn't Replace Migraine Care

This is also worth emphasizing because migraine is a neurological condition, not simply a nutritional deficiency.

Someone experiencing frequent or severe migraines should work with a healthcare professional to determine what's actually happening and discuss appropriate prevention and treatment options.

That becomes particularly important if headaches are new, suddenly different, rapidly worsening, occur after a head injury, or are accompanied by neurological symptoms or other concerning signs.

Supplements may be one piece of a migraine prevention strategy.

They aren't automatically a replacement for established migraine treatments.

The authors of this meta-analysis came to essentially the same conclusion. They stated that the evidence wasn't strong enough to recommend one supplement category over another based solely on the treatment rankings. Clinical decisions should also consider evidence quality, tolerability, other health conditions, potential interactions, formulation quality, patient preference, and established preventive therapies.

That's a much more reasonable way to look at these results.

What I Would Take Away From This Study

I wouldn't finish reading this paper and immediately order a probiotic because it ranked first.

The probiotic result is interesting, but the evidence is still too thin to know which strains work, what dose should be used, or whether the result will hold up in larger trials.

Magnesium is probably the finding I find most practically interesting, because it was the only intervention that produced a statistically significant reduction in migraine severity in this analysis. Even there, the study couldn't tell us which magnesium form or dose is best.

CoQ10 also remains interesting, particularly for reducing migraine frequency, but the evidence doesn't establish that it will reduce migraine severity.

Most importantly, I'd define what you're actually trying to improve before deciding whether something "works."

If you normally experience eight migraines per month and drop to five, that's meaningful even if the remaining migraines hurt just as much.

If you still experience eight migraines but their severity drops from an eight out of ten to a four, that's meaningful too.

If they occur just as frequently and hurt just as much but end several hours sooner, that's another completely different outcome.

Frequency, severity, and duration aren't interchangeable.

This study is a good reminder to look at what researchers actually measured before deciding how impressive a supplement result really is.

The Bottom Line

Nutritional supplements may have a role in migraine prevention, but this new analysis doesn't give us a single clear winner.

Among the 14 randomized controlled trials involving 791 participants, probiotics produced the largest estimated reduction in migraine frequency at 2.60 fewer attacks per month, while vitamin plus probiotic combinations, CoQ10, and vitamins also significantly reduced migraine frequency compared with control. 

The probiotic finding needs to be treated cautiously because only one direct probiotic-versus-control trial with 40 participants contributed to the updated frequency analysis. We don't know whether the finding applies to other strains, doses, or commercially available probiotic products.

Magnesium produced perhaps the strongest individual finding: a 3.56-point reduction in migraine severity on a 10-point scale. It was the only intervention whose confidence interval excluded zero for that outcome. However, the available evidence still couldn't identify the best magnesium form or dose.  

So I wouldn't interpret this study as proof that everyone with migraines should start taking probiotics or magnesium. I'd interpret it as evidence that certain nutritional supplements are promising enough to deserve serious consideration and better research, with magnesium having an interesting signal for migraine severity and probiotics, CoQ10, and some vitamin interventions showing potential for migraine frequency.

That's encouraging.

It's just not the same thing as having the question completely answered.

About the Author

Matt Mosman, MS, CISSN, CSCS, is the founder and Chief Science Officer of Simply Good Supplements. With a background in exercise science, sports nutrition, and strength and conditioning, Matt focuses on turning research into practical advice that athletes, parents, and everyday active people can actually use.

References

Peng J, Zhou L, Chen Y, Li J, Zhang R. Nutritional supplements for migraine prevention: evaluating evidence sufficiency and effect modifiers through network meta-analysis, trial sequential analysis, and meta-regression. Frontiers in Nutrition. 2026;13:1911863. doi:10.3389/fnut.2026.1911863.