The best supplements for anxiety: How they work, what to know, and…

There is slight evidence that having low amounts of certain vitamins and minerals may increase anxiety. While supplements are not a replacement for medication and other professional help, some people may find that they decrease anxiety symptoms.
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Best probiotic: Innovix Labs Mood Probiotic
Innovix Labs Mood Probiotic
Best for a higher dose of omega-3: OceanBlue Omega-3 2100 mg
OceanBlue Omega-3 2100 mg
Best for vitamin D: Persona Vitamin D3
Persona Vitamin D3
Best for turmeric: Pure Encapsulations Curcumin 500 with Bioperine
Pure Encapsulations Curcumin 500 with Bioperine
Best for affordable omega-3: NOW Supplements Omega-3 180 EPA / 120 DHA
NOW Supplements Omega-3 180 EPA / 120 DHA
Best for magnesium: Nature Made Magnesium Citrate Gummies
Nature Made Magnesium Citrate Gummies
Best for a blend: Pure Encapsulations Emotional Wellness
Pure Encapsulations Emotional Wellness
Best for L-Theanine: Doctor’s Best L-Theanine
Doctor’s Best L-Theanine
Anxiety disorder is one of the most common mental health conditions, affecting 19% of American adults each year, and 31% experiencing anxiety at some point in their lives. Anxiety can affect people in a range of ways, from concerns about a stressful event to feeling unable to participate in everyday life.
Anxiety disorder
affecting 19%
Prescription medications and talk therapy provide relief of symptoms for around 50% of people. Recent research has found that certain supplements may help relieve anxiety symptoms, although people should not use these as an alternative to medications or other therapies a doctor recommends.
around 50%
certain supplements
This article discusses some supplements that may help decrease anxiety symptoms, the research behind these vitamins and minerals, and when to contact a doctor for more advice.
How we choose 
Medical News Today chooses products that meet the following criteria:
Price: Products suit a wide range of budgets.
Ingredients: Products list all ingredients clearly, with manufacturing processes outlined.
Safety: Products contain ingredients deemed safe for ingestion.
Reputation: Products are from businesses that adhere to industry best practices.
Some of the best supplements for anxiety
Below is a selection of supplements that may help reduce symptoms of anxiety.
However, a person should contact a doctor before taking any supplements to ensure that they will not interact with any existing medication, and people should not use them as a substitute for medical care.
Please note that the writer of this article has not tried these products. All information presented is purely research-based and correct at the time of publication.
Medical News Today follows a strict product selection and vetting process. Learn more here.
Learn more here
Innovix Labs Mood Probiotic
Innovix claims that this probiotic may help benefit mood, help people cope with stressful situations, and ease digestive difficulties.
probiotic
The company cultivates and encapsulates the probiotics in Canada, and tests and packages them in the United States. Each batch undergoes in-house and third-party testing, and the company states that it uses a certified Good Manufacturing Practices (cGMP) facility.
This product does not contain eggs, corn, fish, shellfish, tree nuts, peanuts, gluten, sugar, GMOs, or artificial flavors and sweeteners.
However, the probiotic may contain trace amounts of soy or milk that the company uses during the fermentation process.
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OceanBlue Omega-3 2100 mg
OceanBlue states that the omega-3 in this supplement comes from sustainably-sourced, wild-caught anchovies. The company also says that it distills and refines the product to remove heavy metals and other toxins.
omega-3
Each dose of 2 softgels provides 2,100 milligrams (mg) of omega-3, of which 1,350 mg is eicosapentaenoic acid (EPA), 600 mg of docosahexaenoic acid (DHA), and 150 mg of docosapentaenoic acid (DPA). OceanBlue also states that this supplement is free from fillers, additives, gluten, peanuts, and soy.
OceanBlue may provide a more sustainable source of omega-3, as the company claims it only sources fish from Friend of the Sea-accredited fisheries.
However, some reviewers state that it is difficult to swallow these softgels as they are quite large.
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Persona Vitamin D3
Persona is a subscription service that offers personalized vitamins and supplements. The company claims that it has formulated this vitamin for rapid absorption.
Each capsule contains 25 micrograms of vitamin D or around 1,000 UI. The company recommends taking the capsule with food and water.
vitamin D
Additionally, this product is free from most allergens, such as dairy, egg, shellfish, gluten, and soy.
Each capsule is smaller than a one-cent coin, which may make it easier for people to swallow.
However, Persona is a subscription-only service, which may not suit those who prefer to buy their supplements as and when they require them.
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Pure Encapsulations Curcumin 500 with BioPerine
Pure Encapsulations states that it only sources ingredients from trusted suppliers and manufactures and tests each batch for safety.
Additionally, this product is free from GMOs, artificial colors, flavors, sweeteners, and some allergens including wheat, eggs, gluten, and tree nuts.
Each 1-capsule serving contains 500 mg of turmeric and 5.3 mg of BioPerine.
turmeric
Research suggests that BioPerine can increase the bioavailability of curcumin, increasing the body’s ability to absorb this nutrient.
Research
However, this product is more expensive than some other turmeric supplements. Some people may wish to choose a more affordable option.
turmeric supplements
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NOW Supplements Omega-3 180 EPA / 120 DHA
This non-GMO, cGMP, and kosher supplement contains 2,000 mg of fish oil concentrate in each serving. Of this, 360 mg is omega-3 EPA and 240 mg is omega-3 DHA.
The company states that it packages all of its supplements in the United States.
NOW Supplements states that it focuses on sustainability and charitable giving. Additionally, this product is more affordable than some other omega-3 supplements.
omega-3 supplements
However, it does not contain as much omega-3 EPA and DHA as other products.
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Nature Made Magnesium Citrate Gummies
Nature Made states that these gummies contain a highly absorbable form of magnesium. Each serving provides 200 mg of magnesium.
Learn more about the best magnesium supplements for anxiety here.
Learn more about the best magnesium supplements for anxiety here.
The company claims that it sources high quality ingredients. It also states that this product does not contain any artificial flavors or dyes, high fructose corn syrup, or artificial sweeteners.
Nature Made recommends people take 2 gummies every day.
This supplement is in the form of gummies, which may be easier for some people to take as they do not need to swallow capsules or tablets.
However, each serving also contains 6 grams (g) of added sugars. People should consider the sugar content of their usual diet before purchasing this product.
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Pure Encapsulations Emotional Wellness
Pure Encapsulations states that the blend of nutrients in this supplement may help promote general wellness and relieve stress.
It contains vitamin B6 and L-theanine alongside Rhodiola and passionflower extract. Each serving contains 6.7 mg of vitamin B6 and 100 mg of L-theanine.
The company states that it carefully tests all of its products to ensure safety.
This supplement is free from many common allergens such as wheat, gluten, eggs, tree nuts, and peanuts. Additionally, it does not contain any artificial colors, flavors, sweeteners, GMO ingredients, fillers, or preservatives.
However, this product is one of the most expensive options for supplements for anxiety. People may wish to consider their budget before purchasing this supplement.
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Doctor’s Best L-Theanine
Doctor’s Best states that this supplement may help promote relaxation, focus, and memory. The company says that the L-theanine in this supplement is the same as the compound in green tea.
green tea
Each serving contains 150 mg of L-theanine. Doctor’s Best recommends people take 1 capsule per day without food.
This supplement is suitable for vegetarians and vegans. Additionally, it does not contain any GMO ingredients, gluten, or soy.
However, the company states it does not recommend this product for those who are pregnant or breastfeeding.
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Comparison chart
The following table compares the supplements for anxiety in this article.
Innovix Labs
OceanBlue
Persona
Pure Encapsulations
NOW Supplements
Nature Made
Pure Encapsulations
Doctor’s Best
What to look for in a supplement for anxiety
If a person wishes to purchase a supplement for anxiety they may wish to consider:
Current diet: People should try to avoid purchasing supplements that are high in nutrients they already consume through their regular diet.
Current medications: A person should contact a doctor to ensure that the supplements will not negatively interact with any of their current medications.
Type of capsule: Some people may prefer gummies or smaller capsules that are easier to swallow.
How can supplements help anxiety? 
There is some evidence that certain supplements may help anxiety. However, the effectiveness of supplementation is often slight, and more research is necessary to investigate how vitamins and minerals may help anxiety.
It is important to note that people should not use supplements as a substitute for medical care.
Vitamin D is an important vitamin that helps regulate serotonin and dopamine in the brain, as well as reducing inflammation.
helps regulate
Many people do not receive enough vitamin D, and researchers associate low levels of this vitamin with several mental health conditions such as schizophrenia, depression, and anxiety. People with anxiety disorders may have up to 30% lower vitamin D levels than those without this condition.
schizophrenia
depression
Learn more about the best vitamin D supplements here.
Learn more about the best vitamin D supplements here.
Once weekly or once biweekly vitamin D supplementation of 50,000 IU may help reduce anxiety symptoms after 3-4 months. However, this benefit may only apply to those who already have vitamin D deficiency, and there is not enough evidence to suggest this form of supplementation is effective in those who consume the recommended intake of this vitamin.
vitamin D deficiency
Learn more about at-home vitamin D tests here.
Learn more about at-home vitamin D tests here.
Magnesium is an essential mineral for human health and, according to a 2017 review, as many as 68% of Americans do not consume enough of it on a daily basis.
68%
Research has found links between magnesium levels and anxiety. For example, those with test anxiety tend to have higher levels of magnesium in their urine leading to lower levels of this mineral in the body. Additionally, lower levels of magnesium increase the amount of cortisol, or the stress hormone, that the brain produces.
test anxiety
However, evidence of the effectiveness of magnesium supplementation on mild to moderate anxiety, premenstrual syndrome, postpartum anxiety, and mild hypotension is not conclusive. While magnesium may help reduce symptoms of these conditions, the quality of the studies in the review was poor and did not properly control for the placebo effect.
placebo effect
Learn more about magnesium supplements here.
Learn more about magnesium supplements here.
Omega-3 fatty acids may help decrease inflammatory cytokine production and reduce anxiety symptoms. An older 2011 study on medical students without anxiety disorder found that omega-3 supplementation over 12 weeks led to a 20% reduction in anxiety disorder.
2011 study
However, a 2021 review states that the type and amount of omega-3 a person consumes may make this supplementation more or less effective. Omega-3 fatty acid doses of at least 2 grams per day with higher amounts of DHA are more effective.
2021 review
Curcumin, the active ingredient in turmeric, may help increase the amount of serotonin and dopamine in the brain. Researchers have investigated the effectiveness of this supplement in the treatment of Alzheimer’s disease, Parkinson’s disease, depression, and anxiety.
increase the amount
Alzheimer’s disease
Parkinson’s disease
While studies show that curcumin may help decrease anxiety in humans, especially those with type 2 diabetes and obesity, there are some limitations. Each study uses different purities and formulations of curcumin, which makes it harder for other researchers to reproduce the results.
type 2 diabetes
obesity
Additionally, curcumin has low bioavailability by itself or with water solutions. Research into the most effective co-administration of curcumin to increase bioavailability is underway.
L-theanine is an amino acid found in green tea.
A 2019 study on the effects of L-theanine on healthy adults states that this compound can help improve concentration and reduce stress. After 4 weeks of consuming 200 mg per day of L-theanine, the participants reported improvements in sleep quality and feelings of depression and anxiety.
2019 study
A 2019 systematic review suggests that saffron may have a beneficial effect on depression and anxiety symptoms.
2019 systematic review
The researchers note that people who took saffron supplementation reported better outcomes with symptoms than those who took placebos. Additionally, there is some evidence that saffron supplementation alongside antidepressants has a greater effect.
However, the researchers also state that there is publication bias in the studies they included, as well as a lack of regional diversity. Therefore, more research is necessary.
Safety and side effects
The National Institutes of Health (NIH) states that people who are pregnant or breastfeeding should be cautious when buying supplements, and should not give supplements to children unless a healthcare professional recommends it. Many supplements do not receive testing for the safety of children or those who are pregnant or breastfeeding.
National Institutes of Health (NIH)
Learn more about the best prenatal vitamins here.
Learn more about the best prenatal vitamins here.
Additionally, the NIH warns that people are more likely to experience side effects if they take many different supplements, high doses, or take supplements instead of prescription medication.
Many food and drink already contain vitamins, and some companies may add extra vitamins and minerals. People should always include the amount they receive from their diet when calculating how much of a supplement they require.
When to contact a doctor 
While a lot of people experience anxiety during the course of their life, such as during significant life changes, it is important to contact a doctor if these symptoms impact a person’s quality of life.
Symptoms of general anxiety disorder include:
include
feeling persistent worry about areas in life such as school and work
feeling restless
feeling more tired than usual
difficulty concentrating
feeling irritable
finding it difficult to have a restful sleep
A doctor may prescribe medication such as antidepressants in addition to therapy. If a person is taking any supplements or other medication they should inform their doctor to prevent any unintentional drug interactions.
Frequently asked questions about supplements for anxiety
Here we answer some common questions about these supplements.
While having a vitamin or mineral deficiency may increase feelings of anxiety, the deficiencies are not a cause of anxiety.
If a person believes they are lacking certain vitamins they may wish to take a vitamin deficiency test.
vitamin deficiency test
Most studies of supplements for anxiety take place over a period of 4–12 weeks before participants notice a difference.
However, people should not use supplements as a substitute for the treatment a doctor may recommend.
There is no scientific evidence that states supplements are as effective as prescription medication.
People should work with a doctor to find a treatment regimen that works for them.
Summary
There is some evidence that supplements such as vitamin D, curcumin, and magnesium may help reduce symptoms of anxiety. However, more research is necessary to determine the effectiveness of these supplements.
A person should not use supplements as an alternative to the treatment a doctor recommends. Additionally, children and those who are pregnant or breastfeeding should contact a doctor before taking any supplements, as often companies do not test for the safety of the products in these populations.