St John’s Wort Dosage


St John’s wort is an herb that is commonly used as a dietary supplement to naturally treat depression and anxiety. The flower is identified by its yellow flowers and is commonly considered a weed because it grows and thrives in nearly any conditions. Once harvested, Saint John’s wort is processed into tablets, teas, oils and other products.


St John’s wort dosage recommendations depend on the form of the supplement and the age, weight and gender of the user. The most common dosage is 300 mg, three times daily. Once a regimen is established, the dosage of St John’s wort may be adjusted up or down to achieve the desired results.

It’s important to note that dietary supplements are not regulated the same way as other drug products. Preparations may have varied amounts of active ingredients, which may affect their potency. Always read the product labels for information on the purity of the product and to determine how much St John’s wort is in each tablet, tea bag or portion of oil.

St John’s Wort for Depression

 This herb is commonly used as a natural remedy for depression. The benefits of taking the herb are similar to antidepressants, with the user feeling better in a short period of time with minimal side effects. Typically, the severity of the depression determines the effectiveness of the supplement, with minor depressions responding more readily to the natural approach. In countries outside of the U.S., Saint John’s Wort for depression dosage is commonly prescribed for mild cases in children and adolescents.

The dosage of St John’s wort for depression will vary from person to person. It is believed the herb works by inhibiting the reuptake of certain neurotransmitters, alleviating the cause of depression. It is available over the counter at health food stores or in the vitamin and supplement section of most grocery stores and discount retailers.

St John’s Wort for Anxiety

The Saint John’s wort dosage for anxiety is similar to the dosage for depression. The user should take between 600 mg and 1800 mg daily, and they may choose which form of the supplement to take. Most opt for the tablet, as it is the easiest to consume and regulate.

If opting for a tea, it’s important to carefully follow the directions on the box to ensure that the proper amount of the herb is released during the brewing process. Variations in brewing techniques can alter the St John’s wort dosage of the tea, leading to underdosing or overdosing.

Side Effects and Overdosing

Those who take a St John’s wort for depression or a St John’s wort dosage for anxiety should be aware of the potential side effects and signs of an overdose.

  • allergic reaction – Though uncommon, an allergic reaction could be life threatening. Signs range from a skin rash with itching to anaphylactic shock
  •  fatigue and restlessness
  •  increased blood pressure
  • increased sensitivity to sun
  • stomach upsets

In addition to the side-effects listed above, it’s important to note that your daily dosage may also affect other medications including birth control pills. You should check with a doctor to make sure there are no interactions before beginning a Saint John’s wort regimen.

When beginning a routine St John’s wort dosage, you should start with the minimum amount possible and increase your dose if the desired results are not achieved. If you’re not sure where to begin, check with a natural health practitioner for a good starting point.



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