Does Valerian Root Really Cause Weight Gain?

A Man Holds a Small Bunch of Valerian Root

Valerian root has gained popularity as a natural remedy for sleep issues and anxiety.

As more people incorporate this herbal supplement into their routines, questions about its potential side effects have arisen.

One common concern is whether valerian root can lead to weight gain.

Valerian root does not directly cause weight gain.

It may help reduce the risk of weight gain by alleviating stress and improving sleep quality.

These benefits can positively impact metabolism and reduce stress-related eating behaviors.

While valerian root is generally considered safe, it’s important to be aware of potential side effects.

Some users may experience headaches, dizziness, or digestive upset.

Origins

Valerian Root on the Desk

Valerian root has a long history of medicinal use dating back to ancient Greece and Rome.

It was traditionally used to treat insomnia, anxiety, and nervous restlessness. The herb gets its name from the Latin word “valere,” meaning “to be strong” or “to be healthy.”

In medieval Europe, valerian was known as “all-heal” due to its versatile medicinal properties.

It gained popularity in the 16th and 17th centuries as a treatment for nervousness and hysteria. By the 18th century, valerian root became widely recognized for its sedative effects.

Active Compounds and Properties

Valerian root contains several bioactive compounds that contribute to its potential health effects. The primary active ingredients include:

  • Valerenic acid
  • Isovaleric acid
  • Valepotriates
  • Flavonoids
  • Alkaloids

These compounds are believed to interact with gamma-aminobutyric acid (GABA) receptors in the brain, potentially promoting relaxation and reducing anxiety. Valerian root also contains antioxidants that may provide additional health benefits.

Research suggests that valerian root may help promote restful sleep, reduce stress and anxiety, and improve symptoms related to tension-type headaches and premenstrual syndrome. However, more studies are needed to fully understand its mechanisms of action and efficacy.

Review of Existing Research

Valerian Root Effect on Weight

Studies on valerian root’s effect on weight are limited.

No direct evidence links valerian root to weight gain. Some research suggests it may have the opposite effect according to an NCBI report.

Valerian root has shown anti-lipogenic properties in animal studies. This means it could potentially help prevent obesity caused by high-fat diets.

Human studies are needed to confirm these effects. Current research focuses more on valerian’s impact on sleep and anxiety rather than weight.

Biological Mechanisms at Work

It primarily affects the nervous system, promoting relaxation and sleep.

Improved sleep quality can indirectly impact weight. Poor sleep is associated with weight gain, so better sleep from valerian use might help maintain a healthy weight.

Valerian may also reduce stress and anxiety. Lower stress levels can lead to better eating habits and less stress-induced weight gain.

Side effects like digestive upset are reported, but these are typically mild and don’t lead to significant weight changes.

Dosage and Forms of Valerian Root

Dosage and Forms of Valerian Root

It is available in several forms, including capsules, tablets, liquid extracts, and teas. The typical dosage ranges from 300 to 600 mg, taken 30 minutes to two hours before bedtime.

For anxiety or stress relief, lower doses of 120 to 200 mg may be taken up to three times daily. Liquid extracts are usually dosed at 1 to 2 ml, while tea preparations often use 2 to 3 grams of dried root steeped in hot water.

Common Uses and Recommendations

Valerian root is primarily used to improve sleep quality and reduce insomnia symptoms. Many people take it 30 minutes to an hour before bedtime to help with falling asleep faster and staying asleep longer.

For anxiety and stress relief, valerian root may be taken during the day in smaller doses. Some individuals use it to manage symptoms of mild anxiety or to promote relaxation in stressful situations.

Valerian root is also sometimes recommended for:

Possible Side Effects

Valerian Root Herbal Capsules

Short-Term Side Effects

Headaches, dizziness, and digestive upset are some of the side effects. Some individuals report feeling drowsy or groggy the morning after taking valerian, which can affect their daily activities.

Skin itching is another potential short-term side effect. In rare cases, users might experience heart palpitations or an increased heart rate, although more research is needed to confirm this effect.

Valerian can also cause vivid dreams or nightmares in some people. It’s important to note that these side effects typically subside once the supplement is discontinued.

Long-Term Health Implications

Extended use of valerian root may lead to more significant health concerns. Some users report developing a tolerance, requiring higher doses to achieve the same effects.

Liver damage is a potential risk, especially when valerian is taken in large amounts or for prolonged periods. Abnormal heart rhythm has been associated with long-term use in some cases.

Chronic use might interfere with the body’s natural sleep-wake cycle, potentially leading to dependency. It’s crucial to consult a healthcare professional before using valerian root long-term, especially for individuals with pre-existing medical conditions or those taking other medications.

Conditions with Similar Symptoms


Hypothyroidism can lead to weight gain, fatigue, and mood changes. Polycystic ovary syndrome (PCOS) in women may result in weight fluctuations and hormonal imbalances.

Cushing’s syndrome, characterized by elevated cortisol levels, can cause weight gain primarily in the face, neck, and trunk. Certain medications, such as antidepressants or corticosteroids, may also contribute to weight increase.

Insulin resistance and metabolic syndrome can lead to gradual weight gain and difficulty losing weight. Sleep disorders like sleep apnea can disrupt hormonal balance and metabolism, potentially affecting body weight.

Other Contributors to Weight Changes

Poor diet choices, such as consuming excess calories or highly processed foods, can lead to weight gain. Lack of physical activity or a sedentary lifestyle can contribute to decreased metabolism and increased body fat.

Stress and emotional factors may trigger changes in eating habits or hormone levels, affecting weight. Aging can slow metabolism and lead to gradual weight gain over time.

Fluid retention due to various factors, including certain medications or hormonal changes, can cause temporary weight increases. Muscle gain from strength training can also increase overall body weight without necessarily indicating fat gain.

Conclusion

Valerian Root and Weight Gain

Valerian root does not directly cause weight gain. Research suggests it may help prevent obesity through its anti-lipogenic effects.

Some individuals may experience side effects from valerian root use.

These can include:

  • Headaches
  • Dizziness
  • Digestive upset
  • Skin itching

Heart palpitations have been reported anecdotally, but scientific evidence is lacking. More human studies are needed to fully understand potential cardiovascular effects.

While generally considered safe for short-term use, the long-term effects of valerian root are not well-studied. Users should monitor their response and discontinue use if they experience unwanted side effects.

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