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Wolfberry is a small red berry that grows on a shrub. The berry has been used to help the body fight disease and to help control body mass index (BMI) and blood glucose. It can be eaten raw or used in cooking. It can also be taken as a pill, powder, or extract. Wolfberry can also be made into a tea.
There are no advised doses for wolfberry.
Editorial process and description of evidence categories can be found at EBSCO NAT Editorial Process.
It is likely safe to take wolfberry in small doses for a short time. Not enough studies have been done to say whether it is safe to use for a long period. It is also not known whether it is safe to take by women who are pregnant or breastfeeding.
Talk to your doctor about any supplements or therapy you would like to use. Some can interfere with treatment or make conditions worse such as:
A. Cardiometabolic syndrome
A1. Guo XF, Li ZH, et al. The effects of Lycium barbarum L. (L. barbarum) on cardiometabolic risk factors: a meta-analysis of randomized controlled trials. Food Funct. 2017;8(5):1741-1748.
B1. Cai H, Liu F, et al. Practical Application of Antidiabetic Efficacy of Lycium barbarum Polysaccharide in Patients with Type 2 Diabetes. Med Chem. 2015;11(4):383-390.
C. General Wellbeing
C1. Amagase H, Nance DM. A randomized, double-blind, placebo-controlled, clinical study of the general effects of a standardized Lycium barbarum (Goji) Juice, GoChi. J Altern Complement Med. 2008 May;14(4):403-412.
C2. Amagase H, Sun B, et al. Immunomodulatory effects of a standardized Lycium barbarum fruit juice in Chinese older healthy human subjects. J Med Food. 2009 Oct;12(5):1159-1165.
C3. Paul Hsu CH, Nance DM, et al. A meta-analysis of clinical improvements of general well-being by a standardized Lycium barbarum. J Med Food. 2012 Nov;15(11):1006-14.
D1. Potterat O. Goji (Lycium barbarum and L. chinense): Phytochemistry, pharmacology and safety in the perspective of traditional uses and recent popularity. Planta Med. 2010 Jan;76(1):7-19.
D2. Chua YT, Ang XL, et al. Interaction between warfarin and Chinese herbal medicines. Singapore Med J. 2015 Jan;56(1):11-8.
Last reviewed July 2019 by EBSCO NAT Review Board Eric Hurwitz, DC Last Updated: 3/26/2020