howtosupplement
Immunity/Beauty/Heart

Goji Berry

Bright red berry rich in zeaxanthin and polysaccharides, studied for immune support and skin hydration in adults.

Goji Berry

Goji Berry

42
score
C
evidence
Caution
risk
Quick Take

Food with interesting compounds but clinical evidence is thin—safe to eat, modest expectations as a supplement.

Goji berry is the fruit of Lycium barbarum, a shrub native to Asia. It has been used in traditional Chinese medicine for centuries and is consumed as a whole food, juice, or extract. The berry is notably rich in zeaxanthin dipalmitate and Lycium barbarum polysaccharides (LBP), which appear to influence immune cell activity and antioxidant defenses. Small randomized trials suggest it may support immune markers and skin hydration, with preliminary evidence for metabolic parameters. It is most likely to benefit adults looking to increase dietary intake of carotenoids and polysaccharides beyond co

Proven Benefits

01
May support immune function
02
May improve skin hydration
03
May improve lipid profile
04
May lower fasting glucose
05
May protect skin from UV damage

Protocol

Amount
15-30 g
Frequency
Once daily
When
With food to reduce gastrointestinal upset.

Onset Time

2-8 weeks for immune and skin markers; acute rise in plasma zeaxanthin within da

Who Should Consider

Adults seeking dietary carotenoids
People with low fruit/vegetable intake
Older adults interested in immune maintenance
Those looking for non-vitamin skin support

Food Sources

  • Dried goji berries (~15-30 g per serving)
  • Unsweetened goji juice
  • Added to herbal teas or traditional soups

How It Works

Lycium barbarum polysaccharides may modulate innate and adaptive immunity by promoting lymphocyte proliferation and cytokine signaling. Zeaxanthin and other carotenoids accumulate in macular tissue and scavenge free radicals, while flavonoids in the berry may inhibit lipid peroxidation pathways.

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