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Dosage of Ashwagandha Capsules

by
author image Kelli Cooper
Kelli Cooper has been a writer since 2009, specializing in health and fitness. She holds a Bachelor of Arts in political science from Rutgers University and is a certified personal trainer with the American Council on Exercise.
Dosage of Ashwagandha Capsules
A pharmacist is holding red capsules. Photo Credit Thinkstock Images/Stockbyte/Getty Images

Ashwagandha, a popular herb in Ayurvedic medicine, has a long history of use as an adaptogen -- a substance believed to improve the body’s defenses against physical and mental stress. Limited information exists on suggested dosages, probably due to the lack of research performed on the use of ashwagandha, as noted by the University of Pittsburgh Medical Center. Some guidelines have been suggested, however. To reap optimal benefit from using herbal medicine, you should work with a doctor knowledgeable in this field who can offer guidance on dosage appropriate for your needs and safe usage.

Suggested Dosages

UPMC reports traditional use of ashwaghanda called for 1 to 2 g three times a day. Drugs.com notes it has been used at dosages of 450 mg to 2 g daily. The University of Maryland Medical Center recommends taking 450 mg once or twice a day for general health and stress relief.

Side Effects

Because of its sedative properties, ashwagandha might induce feelings of drowsiness or sleepiness in some who use it. For this reason, you might need to experiment with the times of day you take it. While generally believed to be safe, ashwagandha might cause other side effects not identified in the limited research conducted on this herb.

Use in Specific Populations

Drugs.com notes ashwagandha has been reported to have abortifacient properties, meaning it could induce an abortion. Safe use during nursing has not been established. UPMC also cautions against its use if you have liver or kidney disease due to lack of information on whether or not this herb would exert any negative effects on these organs, which are heavily involved in breaking down and processing the substances found in food, drugs and supplements.

Other Considerations for Use

Using ashwagandha at the same time as sedative drugs could compound their actions and lead to unpleasant side effects like lethargy, weakness and nervousness. Animal research indicates it increases levels of thyroid hormone, which could exacerbate the negative effects of hyperthyroidism, characterized by excess production of this hormone.

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