St. John’s Wort Extract

600 mg 60 tablets, Item# 16786

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  • St. John’s Wort Extract
  • 600 mg 60 tablets
  • Item Catalog Number: 16786

St. John’s Wort (Hypericum perforatum extract) is a weak inhibitor of monoamine oxidase (MAO),64 which destroys monoamine neurotransmitters including dopamine in the brain and leads to low spirits. St. John’s Wort has also been shown to inhibit re-uptake of several neurotransmitters, such as serotonin, dopamine, noradrenaline, and GABA in the brain, and to reduce expression of interleukin-6.65-67 Each of these actions can contribute to alleviating low mood status by slowing the recycling of neurotransmitters needed for maintaining emotional balance. Flavonoids, hypericin and pseudo-hypericin, are the constituents thought to be associated with the benefits of St. John’s Wort. In particular, hypericin appears to be the active ingredient.68-70

This botanical from Planetary Formulas® supports mental well-being.

Supplement Facts

Serving Size 1 tablet

Servings Per Container 60

Amount Per Serving


5 mg


80 mg

St. John’s Wort Extract (Hypericum perforatum) Standardized Extract 0.3% Yielding 1.5 mg Hypericin

500 mg

St. John’s Wort Extract (4:1) of blossoming St. John's Wort Tops

100 mg

Other ingredients: dibasic calcium phosphate, stearic acid, modified cellulose gum, colloidal silicon dioxide, and magnesium stearate.

Dosage and Use
  • One tablet twice daily, one in the morning and one in the evening, or as recommended by a healthcare practitioner.
  • This product is best utilized when taken on an empty stomach with water.

If you are pregnant or breastfeeding, or taking a prescription drug, consult your health care professional before using this product.