Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Berries, particularly those such as goji berry, acai, elderberry, and blueberries, have a long history of use in traditional medicinal systems to combat fatigue and boost overall vitality. In Traditional Chinese Medicine (TCM), for example, goji berries (Lycium barbarum) are believed to nourish the liver and kidneys and are used to improve energy and stamina. Similarly, indigenous peoples in the Americas and other regions have consumed various wild berries not only for their nutritional value but also for perceived energizing effects. The traditional rationale often centers around the rich vitamin, mineral, and antioxidant content of these fruits, which are thought to replenish the body and restore balance. However, the scientific evidence specifically supporting the use of berry flavor or berry extracts for the treatment or management of fatigue is limited. While some animal and small-scale human studies have suggested that certain berries may help reduce oxidative stress and inflammation—factors that can contribute to fatigue—robust clinical trials in humans are lacking. Most supportive scientific literature discusses berries in the context of general health, cognitive function, or exercise recovery, rather than direct anti-fatigue effects. Thus, while the use of berry flavor for fatigue is justified by tradition, more research is needed to confirm its efficacy for this specific purpose.

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