Goji is a shrub native to China. It has small, red berries that are edible. Both the berries and the bark are used in traditional Chinese medicine. The berries in particular (and juice made from the berries) have become popular in health foods and drinks. It is said to be beneficial for treating and preventing a variety of different conditions, as well as for promoting longevity.
(Click Benefits of Goji for more information on what the supplement is used for.)
Goji contains a variety of different compounds that may have medicinal activity. Both the bark and the berries contain
beta-sitosterol (a
plant sterol that might help to
lower cholesterol). Both also contain betaine, a compound that can help lower homocysteine levels, which might lower the risk of
heart disease,
strokes, and blood clots. The bark also contains compounds that may have the following properties:
- Blood pressure-lowering effects
- Blood sugar-lowering effects
- Antibacterial properties.
In general, there is not enough scientific evidence to suggest that goji really is effective for most uses
(see
Does Goji Work? for more information).
There is no established standard dosage, although general guidelines may be obtained from traditional usage of various goji products
(see Goji Dosage for more information).
There are no side effects that can be clearly attributed to goji. However, this may be because there is a lack of clinical studies with the supplement; there may be side effects that are currently unknown.
(Click Goji Side Effects to learn more, including potentially serious side effects you should report immediately to your healthcare provider.)
Normal consumption of goji through food is probably safe for most people. Medicinal use also appears to be safe in many circumstances. Some people may be more likely to experience problems than others. Therefore, you should talk with your healthcare provider prior to taking goji medicinally if you have:
Also, let your healthcare provider know if you are:
Make sure to tell your healthcare provider about all other medicines you are taking, including prescription and non-prescription medicines, vitamins, and herbal supplements.
(Click Is Goji Safe? for more information, including any available warnings and precautions.)
What If I Take an Overdose?
It is not known exactly what to expect from an overdose of this supplement. If you think you or someone else may have taken too much goji, it is important to seek immediate medical attention.
How Should Goji Be Stored?
Refer to the label of your individual product for information on how to best store goji. Keep all medications and supplements out of the reach of children.
