Active ingredients: Elderberry extract, organic ginger root powder, organic turmeric, echinacea purpurea, vitamin a (as beta carotene), vitamin c (as ascorbic acid), vitamin d (as ergocalciferol), vitamin e (as d-alpha tocopherol), calcium (as calcium carbonate), magnesium (as magnesium oxide), zinc (as zinc sulfate), ...

Herbal medicines are those with active ingredients made from plant parts, such as leaves, roots or flowers. But being "natural" doesn't necessarily mean they're safe for you to take. Just like conventional medicines, herbal medicines will have an effect on the body, and can be potentially harmful if not used correctly.

Extract of valerian root and pasiflora with catnip, celery seed, hops and orange flower. Nerviosil is made from herbs and herbal extracts and contains no drug.

Evidence for the effectiveness of herbal medicines is generally very limited. Although some people find them helpful, in many cases their use tends to be based on traditional use rather than scientific research.

Herbal medications can mistakenly be perceived as safe because they are natural products. They may produce negative effects such as allergic reactions, rashes, asthma, headaches, dizziness, agitation, dry mouth, seizures, fatigue, tachycardia, nausea, vomiting, and diarrhea. Severe side effects have also been reported.

Research suggests that valerian is generally safe for short-term use by most adults. It has been used with apparent safety in studies lasting up to 28 days. The safety of long-term use of valerian is unknown. Little is known about whether it's safe to use valerian during pregnancy or while breastfeeding.

Although they are often labeled as “all-natural,” and safe, a researcher at Baylor College of Medicine says dietary supplements can cause potential health risks and serious side effects.

Other acute use herbs can have an effect between about 1 and 3 days. Tonifying body systems is typically a longer process. Tonic herbs are slower, but deeper acting and their action can be thought of as long-term building. Tonic herbs are typically taken long term, anywhere from 1 month to 3 months or more.

Who should avoid herbal medicines?

• people taking other medicines, including hormonal contraceptives, such as the combined pill.
• people with serious health conditions, such as liver or kidney disease.
• people who are going to have surgery.
• pregnant or breastfeeding women.
• the elderly.

Used correctly, herbs can help treat a variety of conditions, and in some cases, may have fewer side effects than some conventional medications. Never assume that because herbs are "natural," they are safe. Some herbs may be inappropriate for people with certain medical conditions.

Valerian may not be safe if you're pregnant or breast-feeding. And it has not been evaluated to determine if it's safe for children under 3 years old. If you have liver disease, avoid taking valerian. And because valerian can make you drowsy, avoid driving or operating dangerous machinery after taking it.

When taken by mouth: Valerian is likely safe when used short-term. Valerian has been used safely in doses of 300-600 mg daily for up to 6 weeks. The safety of long-term use is unknown. Valerian is usually well-tolerated.

Evidence for the effectiveness of herbal medicines is generally very limited. Although some people find them helpful, in many cases their use tends to be based on traditional use rather than scientific research.